JP3929525B2 - Phenylalkanoic acid amide derivatives and agricultural and horticultural fungicides - Google Patents
Phenylalkanoic acid amide derivatives and agricultural and horticultural fungicides Download PDFInfo
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- JP3929525B2 JP3929525B2 JP15898796A JP15898796A JP3929525B2 JP 3929525 B2 JP3929525 B2 JP 3929525B2 JP 15898796 A JP15898796 A JP 15898796A JP 15898796 A JP15898796 A JP 15898796A JP 3929525 B2 JP3929525 B2 JP 3929525B2
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- Prior art keywords
- group
- alkyl
- cyano
- alkoxy
- haloalkyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000417 fungicide Substances 0.000 title claims description 15
- 150000001408 amides Chemical class 0.000 title claims description 11
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 49
- 125000005843 halogen group Chemical group 0.000 claims description 45
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 38
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 31
- 125000003545 alkoxy group Chemical group 0.000 claims description 17
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 14
- 239000004480 active ingredient Substances 0.000 claims description 11
- 230000000855 fungicidal effect Effects 0.000 claims description 11
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- 125000001188 haloalkyl group Chemical group 0.000 claims description 9
- 125000003277 amino group Chemical group 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 8
- 125000003118 aryl group Chemical group 0.000 claims description 7
- 125000001072 heteroaryl group Chemical group 0.000 claims description 6
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims description 6
- 125000004104 aryloxy group Chemical group 0.000 claims description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 5
- 125000003282 alkyl amino group Chemical group 0.000 claims description 4
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 4
- 125000005129 aryl carbonyl group Chemical group 0.000 claims description 4
- 125000000051 benzyloxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 claims description 4
- 125000004663 dialkyl amino group Chemical group 0.000 claims description 4
- 125000005223 heteroarylcarbonyl group Chemical group 0.000 claims description 4
- 125000005553 heteroaryloxy group Chemical group 0.000 claims description 4
- 125000005133 alkynyloxy group Chemical group 0.000 claims description 3
- 125000005135 aryl sulfinyl group Chemical group 0.000 claims description 3
- 125000004391 aryl sulfonyl group Chemical group 0.000 claims description 3
- 125000005110 aryl thio group Chemical group 0.000 claims description 3
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims description 3
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 claims description 3
- 125000005368 heteroarylthio group Chemical group 0.000 claims description 3
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims 42
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 claims 31
- 125000004765 (C1-C4) haloalkyl group Chemical group 0.000 claims 27
- 125000006619 (C1-C6) dialkylamino group Chemical group 0.000 claims 9
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 claims 7
- 125000004890 (C1-C6) alkylamino group Chemical group 0.000 claims 6
- 125000000882 C2-C6 alkenyl group Chemical group 0.000 claims 6
- 125000004767 (C1-C4) haloalkoxy group Chemical group 0.000 claims 3
- 125000004916 (C1-C6) alkylcarbonyl group Chemical group 0.000 claims 3
- 125000006766 (C2-C6) alkynyloxy group Chemical group 0.000 claims 3
- 125000003320 C2-C6 alkenyloxy group Chemical group 0.000 claims 3
- 125000003601 C2-C6 alkynyl group Chemical group 0.000 claims 3
- 229910052739 hydrogen Inorganic materials 0.000 claims 3
- 239000001257 hydrogen Substances 0.000 claims 3
- 125000004454 (C1-C6) alkoxycarbonyl group Chemical group 0.000 claims 2
- 125000006700 (C1-C6) alkylthio group Chemical group 0.000 claims 2
- SNOOUWRIMMFWNE-UHFFFAOYSA-M sodium;6-[(3,4,5-trimethoxybenzoyl)amino]hexanoate Chemical compound [Na+].COC1=CC(C(=O)NCCCCCC([O-])=O)=CC(OC)=C1OC SNOOUWRIMMFWNE-UHFFFAOYSA-M 0.000 claims 2
- 125000004738 (C1-C6) alkyl sulfinyl group Chemical group 0.000 claims 1
- 125000004739 (C1-C6) alkylsulfonyl group Chemical group 0.000 claims 1
- 125000004737 (C1-C6) haloalkoxy group Chemical group 0.000 claims 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 description 144
- -1 for example Chemical group 0.000 description 87
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 33
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 27
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 24
- 238000004519 manufacturing process Methods 0.000 description 22
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 21
- 239000000203 mixture Substances 0.000 description 21
- 238000006243 chemical reaction Methods 0.000 description 18
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 15
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 14
- 239000002904 solvent Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- 241000209094 Oryza Species 0.000 description 9
- 235000007164 Oryza sativa Nutrition 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
- 235000009566 rice Nutrition 0.000 description 9
- PAMIQIKDUOTOBW-UHFFFAOYSA-N 1-methylpiperidine Chemical compound CN1CCCCC1 PAMIQIKDUOTOBW-UHFFFAOYSA-N 0.000 description 8
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 125000001309 chloro group Chemical group Cl* 0.000 description 7
- 238000009472 formulation Methods 0.000 description 7
- 239000008187 granular material Substances 0.000 description 7
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 7
- GQHTUMJGOHRCHB-UHFFFAOYSA-N 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine Chemical compound C1CCCCN2CCCN=C21 GQHTUMJGOHRCHB-UHFFFAOYSA-N 0.000 description 6
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 6
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 6
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 6
- 201000010099 disease Diseases 0.000 description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000010898 silica gel chromatography Methods 0.000 description 6
- 241000233866 Fungi Species 0.000 description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 5
- 241000220225 Malus Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- QPUYECUOLPXSFR-UHFFFAOYSA-N 1-methylnaphthalene Chemical compound C1=CC=C2C(C)=CC=CC2=C1 QPUYECUOLPXSFR-UHFFFAOYSA-N 0.000 description 4
- SYBYTAAJFKOIEJ-UHFFFAOYSA-N 3-Methylbutan-2-one Chemical compound CC(C)C(C)=O SYBYTAAJFKOIEJ-UHFFFAOYSA-N 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 4
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 4
- 241001330975 Magnaporthe oryzae Species 0.000 description 4
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 230000000844 anti-bacterial effect Effects 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 4
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 4
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 4
- 239000004563 wettable powder Substances 0.000 description 4
- 239000008096 xylene Substances 0.000 description 4
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 3
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 3
- LMDZBCPBFSXMTL-UHFFFAOYSA-N 1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide Substances CCN=C=NCCCN(C)C LMDZBCPBFSXMTL-UHFFFAOYSA-N 0.000 description 3
- FPQQSJJWHUJYPU-UHFFFAOYSA-N 3-(dimethylamino)propyliminomethylidene-ethylazanium;chloride Chemical compound Cl.CCN=C=NCCCN(C)C FPQQSJJWHUJYPU-UHFFFAOYSA-N 0.000 description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000005909 Kieselgur Substances 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 3
- 125000004448 alkyl carbonyl group Chemical group 0.000 description 3
- 125000004414 alkyl thio group Chemical group 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 239000000969 carrier Substances 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 229940117389 dichlorobenzene Drugs 0.000 description 3
- 150000002170 ethers Chemical class 0.000 description 3
- 125000001153 fluoro group Chemical group F* 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 238000011081 inoculation Methods 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- 239000012046 mixed solvent Substances 0.000 description 3
- CPRXQYLFORPZRR-UHFFFAOYSA-N n-(1-cyano-1-cyclopropylethyl)-2-(2,4-dichlorophenyl)acetamide Chemical compound C1CC1C(C)(C#N)NC(=O)CC1=CC=C(Cl)C=C1Cl CPRXQYLFORPZRR-UHFFFAOYSA-N 0.000 description 3
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- KPZGRMZPZLOPBS-UHFFFAOYSA-N 1,3-dichloro-2,2-bis(chloromethyl)propane Chemical compound ClCC(CCl)(CCl)CCl KPZGRMZPZLOPBS-UHFFFAOYSA-N 0.000 description 2
- SGUVLZREKBPKCE-UHFFFAOYSA-N 1,5-diazabicyclo[4.3.0]-non-5-ene Chemical compound C1CCN=C2CCCN21 SGUVLZREKBPKCE-UHFFFAOYSA-N 0.000 description 2
- 125000001462 1-pyrrolyl group Chemical group [*]N1C([H])=C([H])C([H])=C1[H] 0.000 description 2
- CAOHBROWLMCZRP-UHFFFAOYSA-N 2-amino-2,3-dimethylbutanenitrile Chemical compound CC(C)C(C)(N)C#N CAOHBROWLMCZRP-UHFFFAOYSA-N 0.000 description 2
- 125000002941 2-furyl group Chemical group O1C([*])=C([H])C([H])=C1[H] 0.000 description 2
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[H] 0.000 description 2
- 125000000175 2-thienyl group Chemical group S1C([*])=C([H])C([H])=C1[H] 0.000 description 2
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- 241000223600 Alternaria Species 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 241000235349 Ascomycota Species 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 206010027146 Melanoderma Diseases 0.000 description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 2
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- RKOTXQYWCBGZLP-UHFFFAOYSA-N N-[(2,4-difluorophenyl)methyl]-2-ethyl-9-hydroxy-3-methoxy-1,8-dioxospiro[3H-pyrido[1,2-a]pyrazine-4,3'-oxolane]-7-carboxamide Chemical compound CCN1C(OC)C2(CCOC2)N2C=C(C(=O)NCC3=C(F)C=C(F)C=C3)C(=O)C(O)=C2C1=O RKOTXQYWCBGZLP-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- 150000001242 acetic acid derivatives Chemical class 0.000 description 2
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 2
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 2
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 2
- 150000008041 alkali metal carbonates Chemical class 0.000 description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 2
- 125000003302 alkenyloxy group Chemical group 0.000 description 2
- 150000001346 alkyl aryl ethers Chemical class 0.000 description 2
- 125000004644 alkyl sulfinyl group Chemical group 0.000 description 2
- 125000004390 alkyl sulfonyl group Chemical group 0.000 description 2
- 125000000304 alkynyl group Chemical group 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000003899 bactericide agent Substances 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- 125000004772 dichloromethyl group Chemical group [H]C(Cl)(Cl)* 0.000 description 2
- 125000001664 diethylamino group Chemical group [H]C([H])([H])C([H])([H])N(*)C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000004786 difluoromethoxy group Chemical group [H]C(F)(F)O* 0.000 description 2
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 description 2
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 description 2
- 239000002552 dosage form Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 2
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 2
- 125000004705 ethylthio group Chemical group C(C)S* 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 150000008282 halocarbons Chemical class 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 2
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- 239000002994 raw material Substances 0.000 description 2
- 125000005930 sec-butyloxycarbonyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(OC(*)=O)C([H])([H])[H] 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 description 2
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- ZMESHQOXZMOOQQ-UHFFFAOYSA-N 1-(naphthalen-1-ylmethyl)naphthalene Chemical compound C1=CC=C2C(CC=3C4=CC=CC=C4C=CC=3)=CC=CC2=C1 ZMESHQOXZMOOQQ-UHFFFAOYSA-N 0.000 description 1
- ASOKPJOREAFHNY-UHFFFAOYSA-N 1-Hydroxybenzotriazole Chemical compound C1=CC=C2N(O)N=NC2=C1 ASOKPJOREAFHNY-UHFFFAOYSA-N 0.000 description 1
- 125000004973 1-butenyl group Chemical group C(=CCC)* 0.000 description 1
- 125000004972 1-butynyl group Chemical group [H]C([H])([H])C([H])([H])C#C* 0.000 description 1
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- 125000006017 1-propenyl group Chemical group 0.000 description 1
- 125000000530 1-propynyl group Chemical group [H]C([H])([H])C#C* 0.000 description 1
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- RGTKLHFJSAAKBV-UHFFFAOYSA-N 2-(4-chlorophenyl)-n-(1-cyano-1-cyclopropylethyl)-2-methylpropanamide Chemical compound C=1C=C(Cl)C=CC=1C(C)(C)C(=O)NC(C)(C#N)C1CC1 RGTKLHFJSAAKBV-UHFFFAOYSA-N 0.000 description 1
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- 125000004199 4-trifluoromethylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C(F)(F)F 0.000 description 1
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 1
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
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- 206010039509 Scab Diseases 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 241000317942 Venturia <ichneumonid wasp> Species 0.000 description 1
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- 150000007513 acids Chemical class 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000004183 alkoxy alkyl group Chemical group 0.000 description 1
- 150000008055 alkyl aryl sulfonates Chemical class 0.000 description 1
- 125000005336 allyloxy group Chemical group 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
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- 125000002102 aryl alkyloxo group Chemical group 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
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- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- QRZAKQDHEVVFRX-UHFFFAOYSA-N biphenyl-4-ylacetic acid Chemical compound C1=CC(CC(=O)O)=CC=C1C1=CC=CC=C1 QRZAKQDHEVVFRX-UHFFFAOYSA-N 0.000 description 1
- 125000006309 butyl amino group Chemical group 0.000 description 1
- 125000004063 butyryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- PFKFTWBEEFSNDU-UHFFFAOYSA-N carbonyldiimidazole Chemical compound C1=CN=CN1C(=O)N1C=CN=C1 PFKFTWBEEFSNDU-UHFFFAOYSA-N 0.000 description 1
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- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 description 1
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 1
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- 238000004440 column chromatography Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000000000 cycloalkoxy group Chemical group 0.000 description 1
- 125000002933 cyclohexyloxy group Chemical group C1(CCCCC1)O* 0.000 description 1
- 125000001887 cyclopentyloxy group Chemical group C1(CCCC1)O* 0.000 description 1
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- 238000006114 decarboxylation reaction Methods 0.000 description 1
- 125000004915 dibutylamino group Chemical group C(CCC)N(CCCC)* 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 125000001028 difluoromethyl group Chemical group [H]C(F)(F)* 0.000 description 1
- 125000004914 dipropylamino group Chemical group C(CC)N(CCC)* 0.000 description 1
- 230000006806 disease prevention Effects 0.000 description 1
- PHHWLDOIMGFHOZ-UHFFFAOYSA-L disodium;dinaphthalen-1-ylmethanedisulfonate Chemical compound [Na+].[Na+].C1=CC=C2C(C(C=3C4=CC=CC=C4C=CC=3)(S(=O)(=O)[O-])S([O-])(=O)=O)=CC=CC2=C1 PHHWLDOIMGFHOZ-UHFFFAOYSA-L 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- OJLOUXPPKZRTHK-UHFFFAOYSA-N dodecan-1-ol;sodium Chemical compound [Na].CCCCCCCCCCCCO OJLOUXPPKZRTHK-UHFFFAOYSA-N 0.000 description 1
- 125000000031 ethylamino group Chemical group [H]C([H])([H])C([H])([H])N([H])[*] 0.000 description 1
- 125000006125 ethylsulfonyl group Chemical group 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 125000004785 fluoromethoxy group Chemical group [H]C([H])(F)O* 0.000 description 1
- 125000004216 fluoromethyl group Chemical group [H]C([H])(F)* 0.000 description 1
- 125000004438 haloalkoxy group Chemical group 0.000 description 1
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- 230000002140 halogenating effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 125000006316 iso-butyl amino group Chemical group [H]N(*)C([H])([H])C([H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000002510 isobutoxy group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])O* 0.000 description 1
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- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- JIMIKXMGWQQLKJ-UHFFFAOYSA-N methyl 2-[2-(4-chlorophenyl)propanoylamino]-2-ethylbutanoate Chemical compound COC(=O)C(CC)(CC)NC(=O)C(C)C1=CC=C(Cl)C=C1 JIMIKXMGWQQLKJ-UHFFFAOYSA-N 0.000 description 1
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- RHGNFEDXEJYKBI-UHFFFAOYSA-N propan-2-yl 2,3-dimethyl-2-[[2-[4-(trifluoromethyl)phenyl]acetyl]amino]butanoate Chemical compound CC(C)OC(=O)C(C)(C(C)C)NC(=O)CC1=CC=C(C(F)(F)F)C=C1 RHGNFEDXEJYKBI-UHFFFAOYSA-N 0.000 description 1
- YVTFVJMEJBVARL-UHFFFAOYSA-N propan-2-yl 2-amino-2,3-dimethylbutanoate Chemical compound CC(C)OC(=O)C(C)(N)C(C)C YVTFVJMEJBVARL-UHFFFAOYSA-N 0.000 description 1
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
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- WWYDYZMNFQIYPT-UHFFFAOYSA-N ru78191 Chemical class OC(=O)C(C(O)=O)C1=CC=CC=C1 WWYDYZMNFQIYPT-UHFFFAOYSA-N 0.000 description 1
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- 125000001424 substituent group Chemical group 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
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- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000006318 tert-butyl amino group Chemical group [H]N(*)C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000005034 trifluormethylthio group Chemical group FC(S*)(F)F 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
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Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Description
【0001】
【発明の属する技術分野】
本発明は、文献未記載の新規化合物であるフェニルアルカン酸アミド誘導体及びこれを有効成分として含有する農園芸用殺菌剤に関するものである。
【0002】
【従来の技術】
これまでに、N−(1−シアノ−1−シクロプロピルエチル)−2−(2,4−ジクロロフェニル)アセトアミド等のN−フェニルアセトアミノニトリル類は、3−アリールピロリジン−2,4−ジオン類の製造中間体として知られている(特開平6−220004号公報明細書及び特開平6−263731号公報明細書)が、農園芸用殺菌剤としての有用性は全く知られていない。
【0003】
【発明が解決しようとする課題】
近年、農園芸用殺菌剤の多用により薬剤に対する耐性菌が出現し、既存の薬剤では充分な殺菌活性を示さないことがある。また、環境問題からは低濃度で効率良く有害菌を防除できる新しい殺菌剤が求められている。
【0004】
【課題を解決するための手段】
本発明者らは、従来知られた殺菌剤に優る殺菌活性を有する薬剤を開発するために、種々の新規なフェニルアルカン酸アミド誘導体を合成し、その生理活性について検討したところ、本発明化合物がイネいもち病等に対して優れた殺菌活性を有するとともに、有用作物に対してはなんら害を及ぼさないことを見出し、本発明を完成するに至った。すなわち、本発明は、一般式(1)、
【0005】
【化6】
[式中、R1は水素原子又はC1〜C6アルキル基を表し、R2は水素原子、C1〜C6アルキル基、C3〜C6シクロアルキル基又はC1〜C4ハロアルキル基を表し、R3及びR4はそれぞれ独立してC1〜C6アルキル基、C2〜C6アルケニル基、C3〜C6シクロアルキル基、C2〜C6アルコキシアルキル基又はC1〜C4ハロアルキル基を表すか、あるいはR3とR4は結合している炭素原子と共に5員〜7員環のシクロアルキル基(該基はC1〜C6アルキル基によって置換されていてもよい。)を表し、Qはシアノ基又は基−COR5(R5はヒドロキシ基、C1〜C6アルキル基、C1〜C6アルコキシ基、C2〜C6アルケニルオキシ基、C2〜C6アルキニルオキシ基、C3〜C6シクロアルキルオキシ基、フェノキシ基、ベンジルオキシ基、アミノ基、C1〜C6アルキルアミノ基又はC1〜C6ジアルキルアミノ基を表す。)を表し、Xはハロゲン原子、C1〜C6アルキル基、C2〜C6アルケニル基、C2〜C6アルキニル基、C3〜C6シクロアルキル基、C1〜C4ハロアルキル基、ヒドロキシ基、C1〜C6アルコキシ基、C2〜C6アルケニルオキシ基、C2〜C6アルキニルオキシ基、C3〜C6シクロアルキルオキシ基、C1〜C4ハロアルコキシ基、アリールオキシ基(該基はC1〜C6アルキル基、C1〜C4ハロアルキル基、C1〜C6アルコキシ基、シアノ基、ニトロ基又はハロゲン原子によって置換されていてもよい。)、ヘテロアリールオキシ基(該基はC1〜C6アルキル基、C1〜C4ハロアルキル基、C1〜C6アルコキシ基、シアノ基、ニトロ基又はハロゲン原子によって置換されていてもよい。)、C1〜C6アルキルチオ基、C1〜C6アルキルスルフィニル基、C1〜C6アルキルスルホニル基、C1〜C4ハロアルキルチオ基、アリールチオ基(該基はC1〜C6アルキル基、C1〜C4ハロアルキル基、C1〜C6アルコキシ基、シアノ基、ニトロ基又はハロゲン原子によって置換されていてもよい。)、ヘテロアリールチオ基(該基はC1〜C6アルキル基、C1〜C4ハロアルキル基、C1〜C6アルコキシ基、シアノ基、ニトロ基又はハロゲン原子によって置換されていてもよい。)、アリールスルフィニル基(該基はC1〜C6アルキル基、C1〜C4ハロアルキル基、C1〜C6アルコキシ基、シアノ基、ニトロ基又はハロゲン原子によって置換されていてもよい。)、アリールスルホニル基(該基はC1〜C6アルキル基、C1〜C4ハロアルキル基、C1〜C6アルコキシ基、シアノ基、ニトロ基又はハロゲン原子によって置換されていてもよい。)、アミノ基、C1〜C6アルキルアミノ基、C1〜C6ジアルキルアミノ基、ニトロ基、シアノ基、アリール基(該基はC1〜C6アルキル基、C1〜C4ハロアルキル基、C1〜C6アルコキシ基、シアノ基、ニトロ基又はハロゲン原子によって置換されていてもよい。)、ヘテロアリール基(該基はC1〜C6アルキル基、C1〜C4ハロアルキル基、C1〜C6アルコキシ基、シアノ基、ニトロ基又はハロゲン原子によって置換されていてもよい。)、アラルキル基(該基はC1〜C6アルキル基、C1〜C4ハロアルキル基、C1〜C6アルコキシ基、シアノ基、ニトロ基又はハロゲン原子によって置換されていてもよい。)、C1〜C6アルキルカルボニル基、アリールカルボニル基(該基はC1〜C6アルキル基、C1〜C4ハロアルキル基、C1〜C6アルコキシ基、シアノ基、ニトロ基又はハロゲン原子によって置換されていてもよい。)、ヘテロアリールカルボニル基(該基はC1〜C6アルキル基、C1〜C4ハロアルキル基、C1〜C6アルコキシ基、シアノ基、ニトロ基又はハロゲン原子によって置換されていてもよい。)、ホルミル基又はC1〜C6アルコキシカルボニル基を表し、Y及びZはそれぞれ水素原子、C1〜C6アルキル基、C1〜C4ハロアルキル基、C1〜C6アルコキシ基、シアノ基、ニトロ基又はハロゲン原子を表し、nは0〜3の整数を表す。但し、R1及びR2が同時に水素原子を表すとき、Y及びZは共に水素原子を表し、nは1〜3の整数を表す。]にて表されるフェニルアルカン酸アミド誘導体及びこれらのフェニルアルカン酸アミド誘導体を有効成分として含有する農園芸用殺菌剤である。
【0006】
【発明の実施の形態】
本明細書において用いられる用語について、以下説明する。尚、本明細書における、例えば「C1〜C6」等の表記は、これに続く置換基の炭素数が、この場合では1乃至6であることを表している。
【0007】
C1〜C6アルキル基とは、直鎖又は分岐鎖状のアルキル基を表し、例えばメチル基、エチル基、n−プロピル基、イソプロピル基、n−ブチル基、イソブチル基、sec−ブチル基、tert−ブチル基、n−ペンチル基、イソペンチル基、ネオペンチル基、n−ヘキシル基、イソヘキシル基、3,3−ジメチルブチル基等を挙げることができる。
【0008】
C3〜C6シクロアルキル基とは、例えばシクロプロピル基、シクロペンチル基、シクロヘキシル基等を挙げることができる。
【0009】
C1〜C4ハロアルキル基とは、ハロゲン原子によって置換された、直鎖又は分岐鎖状のアルキル基を表し、例えばフルオロメチル基、クロロメチル基、ジフルオロメチル基、ジクロロメチル基、トリフルオロメチル基、ペンタフルオロエチル基等を挙げることができる。
【0010】
C2〜C6アルケニル基とは、直鎖又は分岐鎖状のアルケニル基を表し、例えばビニル基、1−プロペニル基、アリル基、イソプロペニル基、1−ブテニル基、2−ブテニル基等を挙げることができる。
【0011】
C2〜C6アルキニル基とは、直鎖又は分岐鎖状のアルキニル基を表し、例えばエチニル基、1−プロピニル基、2−プロピニル基、1−ブチニル基、2−ブチニル基、3−ブチニル基、4−メチル−1−ペンチニル基、3−メチル−1−ペンチニル基等を挙げることができる。
【0012】
アリール基とは、例えばフェニル基、1−ナフチル基、2−ナフチル基等を挙げることができる。
【0013】
ヘテロアリール基とは、例えば2−ピリジル基、3−ピリジル基、4−ピリジル基、2−フリル基、3−フリル基、2−チエニル基、3−チエニル基、1−ピロリル基、2−ピロリル基、3−ピロリル基等を挙げることができる。
【0014】
アラルキル基とは、アリール基(前記の意味を表す。)によって置換された直鎖又は分岐鎖状のC1〜C3アルキル基を表し、例えばベンジル基、フェネチル基、1−ナフチルメチル基、2−ナフチルメチル基等を挙げることができる。
【0015】
ハロゲン原子とは、フッ素原子、塩素原子、臭素原子又はヨウ素原子を表す。
【0016】
C1〜C6アルコキシ基とは、直鎖又は分岐鎖状のアルコキシ基を表し、例えばメトキシ基、エトキシ基、n−プロポキシ基、イソプロポキシ基、n−ブトキシ基、イソブトキシ基、sec−ブトキシ基、tert−ブトキシ基、n−ペンチルオキシ基、イソペンチルオキシ基、n−ヘキシルオキシ基等を挙げることができる。
【0017】
C2〜C6アルケニルオキシ基とは、直鎖又は分岐鎖状のアルケニルオキシ基を表し、例えばアリルオキシ基、イソプロペニルオキシ基、2−ブテニルオキシ基等を挙げることができる。
【0018】
C2〜C6アルキニルオキシ基とは、直鎖又は分岐鎖状のアルキニルオキシ基を表し、例えば2−プロピニルオキシ基、2−ブチニルオキシ基、3−ブチニルオキシ基等を挙げることができる。
【0019】
C3〜C6シクロアルキルオキシ基とは、例えばシクロプロピルオキシ基、シクロペンチルオキシ基、シクロヘキシルオキシ基等を挙げることができる。
【0020】
C1〜C4ハロアルコキシ基とは、ハロゲン原子によって置換された、直鎖又は分岐鎖状のアルコキシ基を表し、例えばフルオロメトキシ基、ジフルオロメトキシ基、トリフルオロメトキシ基、ペンタフルオロエトキシ基等を挙げることができる。
【0021】
アリールオキシ基とは、例えばフェノキシ基、1−ナフチルオキシ基、2−ナフチルオキシ基等を挙げることができる。
【0022】
ヘテロアリールオキシ基とは、例えば2−ピリジルオキシ基、3−ピリジルオキシ基、4−ピリジルオキシ基、2−フリルオキシ基、3−フリルオキシ基、2−チエニルオキシ基、3−チエニルオキシ基等を挙げることができる。
【0023】
アラルキルオキシ基とは、アリール基によって置換された直鎖又は分岐鎖状のC1〜C3アルコキシ基を表し、例えばベンジルオキシ基、フェネチルオキシ基等を挙げることができる。
【0024】
C1〜C6アルキルチオ基とは、直鎖又は分岐鎖状のアルキルチオ基を表し、例えばメチルチオ基、エチルチオ基、n−プロピルチオ基、イソプロピルチオ基、n−ブチルチオ基、イソブチルチオ基、sec−ブチルチオ基、tert−ブチルチオ基、n−ヘキシルチオ基等を挙げることができる。
【0025】
C1〜C6アルキルスルフィニル基とは、直鎖又は分岐鎖状のアルキルスルフィニル基を表し、例えばメチルスルフィニル基、エチルスルフィニル基、n−プロピルスルフィニル基、イソプロピルスルフィニル基、n−ブチルスルフィニル基、イソブチルスルフィニル基、sec−ブチルスルフィニル基、tert−ブチルスルフィニル基、n−ヘキシルスルフィニル基等を挙げることができる。
【0026】
C1〜C6アルキルスルホニル基とは、直鎖又は分岐鎖状のアルキルスルホニル基を表し、例えばメチルスルホニル基、エチルスルホニル基、n−プロピルスルホニル基、イソプロピルスルホニル基、n−ブチルスルホニル基、イソブチルスルホニル基、sec−ブチルスルホニル基、tert−ブチルスルホニル基、n−ヘキシルスルホニル基等を挙げることができる。
【0027】
C1〜C4ハロアルキルチオ基とは、ハロゲン原子によって置換された、直鎖又は分岐鎖状のアルキルチオ基を表し、例えばフルオロメチルチオ基、ジフルオロメチルチオ基、トリフルオロメチルチオ基、ペンタフルオロエチルチオ基等を挙げることができる。
【0028】
アリールチオ基とは、例えばフェニルチオ基、1−ナフチルチオ基、2−ナフチルチオ基等を挙げることができる。
【0029】
ヘテロアリールチオ基とは、例えば2−ピリジルチオ基、3−ピリジルチオ基、4−ピリジルチオ基、2−フリルチオ基、3−フリルチオ基、2−チエニルチオ基、3−チエニルチオ基等を挙げることができる。
【0030】
アリールスルフィニル基とは、例えばフェニルスルフィニル基、1−ナフチルスルフィニル基、2−ナフチルスルフィニル基等を挙げることができる。
【0031】
アリールスルホニル基とは、フェニルスルホニル基、1−ナフチルスルホニル基、2−ナフチルスルホニル基等を挙げることができる。
【0032】
C1〜C6アルキルアミノ基とは、直鎖又は分岐鎖状のアルキルアミノ基を表し、例えばメチルアミノ基、エチルアミノ基、n−プロピルアミノ基、イソプロピルアミノ基、n−ブチルアミノ基、イソブチルアミノ基、sec−ブチルアミノ基、tert−ブチルアミノ基、n−ヘキシルアミノ基等を挙げることができる。
【0033】
C1〜C6ジアルキルアミノ基とは、例えばジメチルアミノ基、ジエチルアミノ基、ジプロピルアミノ基、ジブチルアミノ基等を挙げることができる。
【0034】
C1〜C6アルキルカルボニル基とは、直鎖又は分岐鎖状のアルキルカルボニル基を表し、例えばアセチル基、プロピオニル基、ブチリル基、イソブチリル基等を挙げることができる。
【0035】
アリールカルボニル基とは、例えばベンゾイル基、1−ナフチルカルボニル基、2−ナフチルカルボニル基等を挙げることができる。
【0036】
ヘテロアリールカルボニル基とは、例えば2−ピリジルカルボニル基、3−ピリジルカルボニル基、4−ピリジルカルボニル基、2−フリルカルボニル基、3−フリルカルボニル基、2−チエニルカルボニル基、3−チエニルカルボニル基等を挙げることができる。
【0037】
C1〜C6アルコキシカルボニル基とは、直鎖又は分岐鎖状のアルコキシカルボニル基を表し、例えばメトキシカルボニル基、エトキシカルボニル基、n−プロポキシカルボニル基、イソプロポキシカルボニル基、n−ブトキシカルボニル基、イソブトキシカルボニル基、sec−ブトキシカルボニル基、tert−ブトキシカルボニル基、n−ペンチルオキシカルボニル基、n−ヘキシルオキシカルボニル基等を挙げることができる。
【0038】
一般式(1)で表される本発明化合物の中には、分子内に1個以上の不斉炭素原子を有しているものもあり、そのような化合物には光学異性体が存在する。純粋な個々のジアステレオマー、エナンチオマー及びこれらの混合物も本発明化合物に含まれる。
【0039】
一般式(1)で表される本発明化合物の好ましい化合物としては、R1が水素原子又はメチル基で、R2が水素原子,メチル基又はエチル基で、R3がメチル基、エチル基又はn−プロピル基で、R4がメチル基、エチル基、n−プロピル基、イソプロピル基、n−ブチル基、イソブチル基、sec−ブチル基、tert−ブチル基、シクロプロピル基、シクロペンチル基又はジクロロメチル基で、Qがシアノ基、メトキシカルボニル基、エトキシカルボニル基、n−プロポキシカルボニル基、イソプロポキシカルボニル基、n−ブトキシカルボニル基、sec−ブトキシカルボニル基又はカルバモイル基で、Xがフッ素原子、塩素原子、臭素原子、ヨウ素原子、メチル基、エチル基、イソプロピル基、イソブチル基、sec−ブチル基、tert−ブチル基、シクロペンチル基、シクロヘキシル基、トリフルオロメチル基、メトキシ基、エトキシ基、n−プロポキシ基、イソプロポキシ基、ジフルオロメトキシ基、トリフルオロメトキシ基、フェノキシ基、メチルチオ基、エチルチオ基、イソプロピルチオ基、ジメチルアミノ基、ジエチルアミノ基、ニトロ基、シアノ基、フェニル基、アセチル基又はベンゾイル基で、Y及びZが水素原子又はフッ素原子で、nが1〜3の整数である化合物を挙げることができる。
【0040】
次に、一般式(1)で表される本発明化合物の代表例を表1〜表24に示すが、これらに限られるものではない。尚、化合物番号は以後の記載において参照される。
【0041】
表中の記号はそれぞれ以下の意味を表す。Meとはメチル基を表し、Etとはエチル基を表し、Pr−nとはn−プロピル基を表し、Pr−iとはイソプロピル基を表し、Bu−nとはn−ブチル基を表し、Bu−iとはイソブチル基を表し、Bu−sとはsec−ブチル基を表し、Bu−tとはtert−ブチル基を表し、Pr−cycとはシクロプロピル基を表し、Pen−cycとはシクロペンチル基を表し、Phとはフェニル基を表し、 4−OPh(2−Cl)とは4−(2−クロロフェニル)オキシ基を表し、4−O(2−Py)とは4−(2−ピリジル)オキシ基を表し、4−O(5−CF3,2−Py)とは4−(5−トリフルオロメチル−2−ピリジル)オキシ基を表し、4−O(3−Py)とは4−(3−ピリジル)オキシ基を表し、4−O(4−Py)とは4−(4−ピリジル)オキシ基を表し、4−SPh(2−Cl)とは4−(2−クロロフェニル)チオ基を表し、4−S(O)Ph(2−Cl)とは4−(2−クロロフェニル)スルフィニル基を表し、4−SO2Ph(2−Cl)とは4−(2−クロロフェニル)スルホニル基を表し、4−S(2−Py)とは4−(2−ピリジル)チオ基を表し、4−Ph(4−CF3)とは4−(4−トリフルオロメチルフェニル)基を表し、4−(2−Py)とは4−(2−ピリジル)基を表し、4−(2−Fur)とは4−(2−フリル)基を表し、4−(2−Thi)とは4−(2−チエニル)基を表し、4−COPh(2−Me)とは4−(2−メチルベンゾイル)基を表し、4−CO(3−Py)とは4−(3−ピリジル)カルボニル基を表し、4−CO(2−Fur)とは4−(2−フリル)カルボニル基を表し、4−CO(2−Thi)とは4−(2−チエニル)カルボニル基を表し、4−CH2Ph(3−Cl)とは4−(3−クロロベンジル)基を表し、4−(1−Pyrr)とは4−(1−ピロリル)基を表す。
【0042】
【表1】
【0043】
【表2】
【0044】
【表3】
【0045】
【表4】
【0046】
【表5】
【0047】
【表6】
【0048】
【表7】
【0049】
【表8】
【0050】
【表9】
【0051】
【表10】
【0052】
【表11】
【0053】
【表12】
【0054】
【表13】
【0055】
【表14】
【0056】
【表15】
【0057】
【表16】
【0058】
【表17】
【0059】
【表18】
【0060】
【表19】
【0061】
【表20】
【0062】
【表21】
【0063】
【表22】
【0064】
【表23】
【0065】
【表24】
【0066】
化合物C−42、化合物C−43、化合物C−196、化合物C−197、化合物C−198及び化合物C−199はそれぞれ光学活性体であり、比旋光度はそれぞれ[α]D 22=+32.7°(c=0.5,CHCl3)、[α]D 22=−27.3°(c=0.5,CHCl3)、[α]D 22=+9.8°(c=1.0,CHCl3)、[α]D 22=+23.4°(c=1.0,CHCl3)、[α]D 22=−8.4°(c=1.0,CHCl3)、[α]D 22=−19.9°(c=1.0,CHCl3)である。
【0067】
化合物C−16、化合物C−17、化合物C−18、化合物C−21、化合物C−24、化合物C−27、化合物C−34、化合物C−39、化合物C−47、化合物C−51、化合物C−54、化合物C−62、化合物C−66、化合物C−71、化合物C−73、化合物C−75、化合物C−81、化合物C−88、化合物C−92、化合物C−94、化合物C−99、化合物C−102、化合物C−106、化合物C−108、化合物C−112、化合物C−114、化合物C−117、化合物C−122、化合物C−129、化合物C−131、化合物C−140、化合物C−157、化合物C−161、化合物C−165、化合物C−169、化合物C−171、化合物C−174、化合物C−177、化合物C−179、化合物C−181、化合物C−184、化合物C−187、化合物C−189、化合物C−193、化合物C−196、化合物C−198、化合物C−200、化合物D−40、化合物D−63、化合物D−91、化合物D−119、化合物E−30及び化合物E−37はジアステレオマーA体であり、化合物C−19、化合物C−22、化合物C−25、化合物C−28、化合物C−35、化合物C−40、化合物C−48、化合物C−52、化合物C−55、化合物C−63、化合物C−67、化合物C−72、化合物C−74、化合物C−76、化合物C−82、化合物C−89、化合物C−93、化合物C−95、化合物C−100、化合物C−103、化合物C−107、化合物C−109、化合物C−113、化合物C−115、化合物C−118、化合物C−123、化合物C−130、化合物C−141、化合物C−158、化合物C−162、化合物C−166、化合物C−170、化合物C−172、化合物C−175、化合物C−178、化合物C−180、化合物C−182、化合物C−185、化合物C−188、化合物C−190、化合物C−194、化合物C−197、化合物C−199、化合物C−201、化合物D−41、化合物D−64、化合物D−92、化合物D−120、化合物E−31及び化合物E−38はジアステレオマーB体である。また、その他の不斉炭素原子を2個以上有する化合物はジアステレオマー混合物である。
【0068】
ジアステレオマーA体とはシリカゲルカラムクロマトグラフィーあるいは、液体カラムクロマトグラフィー等によって分離された低極性のジアステレオマーを表し、ジアステレオマーB体とは同様に分離された高極性のジアステレオマーを表す。
【0069】
一般式(1)で表される本発明化合物は、例えば以下に表す製造法に従って製造することができる。
製造法1
【0070】
【化7】
(式中、R1、R2、R3、R4、X、Y、Z、Q及びnは前記と同じ意味を表す。)
【0071】
本発明化合物(1)は、一般式(2)で表されるフェニルアルカン酸誘導体を、要すれば触媒及び/又は塩基の存在下に、縮合剤を用いて一般式(3)で表されるアミン類と反応させることにより製造することができる。
【0072】
この反応は通常、溶媒中で行なわれる。使用できる溶媒としては、反応を阻害しない溶媒であればよく、例えば、ペンタン、ヘキサン、ヘプタン、シクロヘキサン、石油エーテル、リグロイン、ベンゼン、トルエン、キシレン等の炭化水素類、ジクロロメタン、ジクロロエタン、クロロホルム、四塩化炭素、クロロベンゼン、ジクロロベンゼン等のハロゲン化炭化水素類、ジエチルエーテル、ジイソプロピルエーテル、エチレングリコールジメチルエーテル、テトラヒドロフラン、ジオキサン等のエーテル類、アセトン、メチルエチルケトン、メチルイソプロピルケトン、メチルイソブチルケトン等のケトン類、酢酸メチル、酢酸エチル等の酢酸エステル類、アセトニトリル、プロピオニトリル等のニトリル類、又はジメチルスルホキシド、N,N−ジメチルホルムアミド、スルホラン等の非プロトン性極性溶媒あるいはこれらから選択される溶媒を組み合わせた混合溶媒を用いることができる。
【0073】
縮合剤としては、例えば1−エチル−3−(3−ジメチルアミノプロピル)カルボジイミド塩酸塩、N,N’−ジシクロヘキシルカルボジイミド、カルボニルジイミダゾール、2−クロロ−1,3−ジメチルイミダゾリウムクロリド等が挙げられる。
【0074】
触媒としては、例えば4−ジメチルアミノピリジン、1−ヒドロキシベンゾトリアゾール、ジメチルホルムアミド等が挙げられる。
【0075】
塩基としては、この型の反応に一般的に用いられるものが使用できる。例えば、水酸化ナトリウム、水酸化カリウム等のアルカリ金属水酸化物、水酸化カルシウム等のアルカリ土類金属水酸化物、炭酸ナトリウム、炭酸カリウム等のアルカリ金属炭酸塩類、又はトリエチルアミン、トリメチルアミン、N,N−ジメチルアニリン、ピリジン、N−メチルピペリジン、1,5−ジアザビシクロ[4.3.0]ノン−5−エン(DBN)、1,8−ジアザビシクロ[5.4.0]−7−ウンデセン(DBU)等の有機塩基等が挙げられ、好ましくはトリエチルアミン、ピリジン、N−メチルピペリジン等の第三級アミン類が挙げられる。
【0076】
反応温度は、−50℃〜150℃の範囲、好ましくは0℃〜60℃の範囲において行われる。反応時間は1〜30時間が好ましい。
【0077】
次に、この製造法で使用する原料化合物の製造法を説明する。
【0078】
一般式(2)で表される化合物は、例えば、フェニルマロン酸エステル類をアルカリで加水分解した後、加熱し、脱炭酸することにより製造することができる。これは既に知られた方法である〔ジャーナル・オブ・オーガニック・ケミストリー(Journal of Organic Chemistry),第13巻,第763頁(1948年)、オーガニック・シンセセズ(Organic Syntheses),第3巻,第557頁(1955年)、特開昭40−7491号公報又はシンセシス(Synthesis),第6巻,第456頁(1982年)〕。
【0079】
また、一般式(3)で表される化合物は、例えば、ケトン類とシアン化ナトリウム及び塩化アンモニウムからストレッカー法により製造することができる。これは既に知られた方法である〔オーガニック・シンセセズ(Organic Syntheses),第3巻,第88頁(1955年)、ジャーナル・オブ・メディシナル・ケミストリー(Journal of Medicinal Chemistry),第9巻,第911頁(1966年)又はテトラヘドロン・レターズ(Tetrahedron Letters),第17巻,第1455頁(1977年)〕。
製造法2
【0080】
【化8】
(式中、R1、R2、R3、R4、X、Y、Z、Q及びnは前記と同じ意味を表し、Lはハロゲン原子を表す。)
【0081】
本発明化合物(1)は、一般式(4)で表されるフェニルアルカン酸ハライド類を塩基の存在下に、一般式(3)で表されるアミン類と反応させることにより製造することができる。
【0082】
この反応は通常、溶媒中で行われる。使用できる溶媒としては、反応を阻害しない溶媒であればよく、例えば、ペンタン、ヘキサン、ヘプタン、シクロヘキサン、石油エーテル、リグロイン、ベンゼン、トルエン、キシレン等の炭化水素類、ジクロロメタン、ジクロロエタン、クロロホルム、四塩化炭素、クロロベンゼン、ジクロロベンゼン等のハロゲン化炭化水素類、ジエチルエーテル、ジイソプロピルエーテル、エチレングリコールジメチルエーテル、テトラヒドロフラン、ジオキサン等のエーテル類、アセトン、メチルエチルケトン、メチルイソプロピルケトン、メチルイソブチルケトン等のケトン類、酢酸メチル、酢酸エチル等の酢酸エステル類、アセトニトリル、プロピオニトリル等のニトリル類、又は、N,N−ジメチルホルムアミド、スルホラン等の非プロトン性極性溶媒あるいはこれらから選択される溶媒を組み合わせた混合溶媒を用いることができる。
【0083】
塩基としては、この型の反応に一般的に用いられるものが使用できる。例えば、水酸化ナトリウム、水酸化カリウム等のアルカリ金属水酸化物、水酸化カルシウム等のアルカリ土類金属水酸化物、炭酸ナトリウム、炭酸カリウム等のアルカリ金属炭酸塩類、又はトリエチルアミン、トリメチルアミン、N,N−ジメチルアニリン、ピリジン、N−メチルピペリジン、1,5−ジアザビシクロ[4.3.0]ノン−5−エン(DBN)、1,8−ジアザビシクロ[5.4.0]−7−ウンデセン(DBU)等の有機塩基等が挙げられ、好ましくはトリエチルアミン、ピリジン、N−メチルピペリジン等の第三級アミン類が挙げられる。
【0084】
反応温度は、−50℃〜150℃の範囲、好ましくは0℃〜60℃の範囲において行われる。反応時間は1〜30時間が好ましい。
【0085】
次に、この製造法で使用する原料化合物の製造法を説明する。
【0086】
一般式(4)で表されるフェニルアルカン酸ハライド類は、前述の方法により製造された一般式(2)で表されるフェニルアルカン酸類を、例えば、塩化チオニル、五塩化リン、三臭化リン等のハロゲン化剤と反応させることにより製造することができる。
製造法3
【0087】
【化9】
(式中、R1、R2、R3、R4、X、Y、Z及びnは、前記と同じ意味を表し、RはC1〜C6アルキル基を表す。)
【0088】
一般式(1−1)で表される本発明化合物を塩化水素で飽和された一般式(5)で表されるアルコール類と反応させることにより、一般式(1−2)で表される本発明化合物を製造することができる。
【0089】
この反応は通常、溶媒中で行われる。使用できる溶媒としては、反応を阻害しない溶媒であればよく、例えば、メタノール、エタノール、プロパノール、イソプロパノール、ブタノール等のアルコール類、ペンタン、ヘキサン、ヘプタン、シクロヘキサン、石油エーテル、リグロイン、ベンゼン、トルエン、キシレン等の炭化水素類、ジクロロメタン、ジクロロエタン、クロロホルム、四塩化炭素、クロロベンゼン、ジクロロベンゼン等のハロゲン化炭化水素類、ジエチルエーテル、ジイソプロピルエーテル、エチレングリコールジメチルエーテル、テトラヒドロフラン、ジオキサン等のエーテル類等の溶媒及びこれらから選択される溶媒を組み合わせた混合溶媒を用いることができる。
【0090】
反応温度は、−50℃〜150℃の範囲、好ましくは0℃〜120℃の範囲において行われる。反応時間は1〜20時間が好ましい。
【0091】
【実施例】
次に、本発明化合物の製造法を具体的に説明する。
製造例1 N−(1−シアノ−1,2−ジメチルプロピル)−2−(4−ビフェニル)アセトアミド(化合物番号A−87)の製造
ジクロロメタン50mlに4−ビフェニル酢酸1.0g(4.5ミリモル)を溶解し、これに1−エチル−3−(3−ジメチルアミノプロピル)カルボジイミド塩酸塩1.1g(5.7ミリモル)を室温で加え、10分間攪拌した。この混合物に2−アミノ−2,3−ジメチルブチロニトリル0.5g(4.7ミリモル)を加え、室温で3時間撹拌した。反応終了後、反応液に水を加え、ジクロロメタン層を水洗し、無水硫酸マグネシウムで乾燥した後、減圧下でジクロロメタンを留去した。残渣をシリカゲルカラムクロマトグラフィーにて精製し、融点151〜152℃の目的物1.1g(収率76%)を得た。
【0092】
製造例2 N−(1−シアノ−1,2−ジメチルプロピル)−2−(4−ブロモフェニル)プロピオンアミド(化合物番号C−47及びC−48)の製造
テトラヒドロフラン20mlに2−アミノ−2,3−ジメチルブチロニトリル0.9g(8.0ミリモル)及びトリエチルアミン0.8g(7.9ミリモル)を溶解した。10℃で撹拌下、この混合物に2−(4−ブロモフェニル)プロピオン酸クロリド1.5g(6.0ミリモル)を5分間で滴下した。滴下終了後、この反応液を室温で5時間撹拌した。この反応液を濃縮し、水を加え、酢酸エチルで抽出した。酢酸エチル層を無水硫酸マグネシウムで乾燥した後、減圧下で酢酸エチルを留去した。残渣をシリカゲルカラムクロマトグラフィーにて精製し、融点130〜131℃のジアステレオマーA体(低極性体)0.45g(収率24%)及び融点121〜123℃のジアステレオマーB体(高極性体)0.75g(収率40%)を得た。
【0093】
製造例3 N−(1−カルバモイル−1−エチルプロピル)−2−(4−クロロフェニル)プロピオンアミド(化合物番号D−32)の製造
テトラヒドロフラン50mlに2−アミノ−2−エチルブチルアミド2.3g(18ミリモル)及びトリエチルアミン2.0g(20ミリモル)を懸濁した。室温で撹拌下、この懸濁液に2−(4−クロロフェニル)プロピオン酸クロリド3.0g(15ミリモル)を溶解したテトラヒドロフラン溶液10mlを10分間で滴下した。滴下終了後、この反応液をさらに室温で3時間撹拌した。この反応液を濃縮し、水を加え、クロロホルムで抽出した。クロロホルム層を無水硫酸マグネシウムで乾燥した後、減圧下でクロロホルムを留去した。得られた結晶をジイソプロピルエーテルで洗浄し、融点116〜118℃の目的物4.2g(収率94%)を得た。
【0094】
製造例4 メチル 2−[1−(4−クロロフェニル)エチルカルボニルアミノ]−2−エチルブチレート(化合物番号D−28)の製造
塩化水素飽和メタノール10mlに製造例3により得られたN−(1−カルバモイル−1−エチルプロピル)−2−(4−クロロフェニル)プロピオンアミド0.6g(2.0ミリモル)を溶解し、加熱還流下、3時間撹拌した。反応液を濃縮した後、水を加え、酢酸エチルで抽出した。酢酸エチル層を無水硫酸マグネシウムで乾燥した後、減圧下で酢酸エチルを留去した。残渣をシリカゲルカラムクロマトグラフィーにて精製し、融点98〜99℃の目的物0.5g(収率81%)を得た。
【0095】
製造例5 N−(1−シアノ−1−シクロプロピルエチル)−2−(4−クロロフェニル)−2−メチルプロピオンアミド(化合物番号E−9)の製造
テトラヒドロフラン20mlに2−アミノ−2−シクロプロピルプロピオニトリル0.25g(2.3ミリモル)及びトリエチルアミン0.3g(3.0ミリモル)を溶解した。この混合物に2−(4−クロロフェニル)−2−メチルプロピオン酸クロリド0.5g(2.3ミリモル)を10℃で撹拌下に5分間で滴下した。滴下終了後、この反応液を室温で3時間撹拌した。反応液を濃縮した後、水を加え、酢酸エチルで抽出した。酢酸エチル層を無水硫酸マグネシウムで乾燥した後、減圧下で酢酸エチルを留去した。残渣をシリカゲルカラムクロマトグラフィーにて精製し、融点93〜94℃の目的物0.5g(収率75%)を得た。
【0096】
製造例6 イソプロピル 2−(4−トリフルオロメチルベンジルカルボニルアミノ)−2,3−ジメチルブチレート(化合物番号B−36)の製造
ジクロロメタン50mlに4−トリフルオロメチルフェニル酢酸1.0g(4.9ミリモル)を溶解し、これに1−エチル−3−(3−ジメチルアミノプロピル)カルボジイミド塩酸塩1.1g(5.7ミリモル)を室温で加え、10分間攪拌した。この混合物にイソプロピル 2−アミノ−2,3−ジメチルブチレート0.9g(5.2ミリモル)を加え、室温で3時間撹拌した。反応終了後、反応液に水を加え、ジクロロメタン層を水洗し、無水硫酸マグネシウムで乾燥した後、減圧下でジクロロメタンを留去した。残渣をシリカゲルカラムクロマトグラフィーにて精製し、融点122〜123℃の目的物1.4g(収率80%)を得た。
【0097】
本発明の農園芸用殺菌剤は一般式〔I〕で示されるフェニルアルカン酸アミド誘導体を有効成分として含有してなる。本発明化合物を農園芸用殺菌剤として使用する場合には、その目的に応じて有効成分を適当な剤型で用いることができる。通常は有効成分を不活性な液体または固体の担体で希釈し、必要に応じて界面活性剤、その他をこれに加え、粉剤、水和剤、乳剤、粒剤等の製剤形態で使用できる。
【0098】
好適な担体としては、例えばタルク、ベントナイト、クレー、カオリン、珪藻土、ホワイトカーボン、バーミキュライト、消石灰、珪砂、硫安、尿素等の固体担体、イソプロピルアルコール、キシレン、シクロヘキサノン、メチルナフタレン等の液体担体等があげられる。界面活性剤及び分散剤としては、例えばジナフチルメタンスルホン酸塩、アルコール硫酸エステル塩、アルキルアリールスルホン酸塩、リグニンスルホン酸塩、ポリオキシエチレングリコールエーテル、ポリオキシエチレンアルキルアリールエーテル、ポリオキシエチレンソルビタンモノアルキレート等があげられる。補助剤としてはカルボキシメチルセルロース等があげられる。これらの製剤を適宜な濃度に希釈して散布するか、または直接施用する。
【0099】
本発明の農園芸用殺菌剤は茎葉散布、土壌施用または水面施用等により使用することができる。有効成分の配合割合は必要に応じ適宜選ばれるが、粉剤及び粒剤とする場合は0.1〜20%(重量)、また乳剤及び水和剤とする場合は5〜80%(重量)が適当である。
【0100】
本発明の農園芸用殺菌剤の施用量は、使用される化合物の種類、対象病害、発生傾向、被害の程度、環境条件、使用する剤型などによって変動する。例えば粉剤及び粒剤のようにそのまま使用する場合には、有効成分で10アール当り0.1g〜5kg、好ましくは1g〜1kgの範囲から適宜選ぶのがよい。また、乳剤及び水和剤のように液状で使用する場合には、0.1ppm〜10,000ppm、好ましくは10〜3,000ppmの範囲から適宜選ぶのがよい。
【0101】
本発明による化合物は上記の施用形態により、藻菌類(Oomycetes)、子嚢菌類(Ascomycetes)、不完全菌類(Deuteromycetes)、藻菌類(Oomycetes)及び担子菌類(Basidiomycetes)に属する菌に起因する植物病を防除できる。
【0102】
次に具体的な菌名を非限定例としてあげる。ピリキュラリア(Pyricularia)属、例えばいもち病菌(Pyricularia oryzae)、スフェロテカ(Sphaerotheca)属、例えばうどんこ病菌(Sphaerotheca fuliginea)、ベンチュリア(Venturia)属、例えば黒星病菌(Venturia inaequalis)、ジベレラ(Gibberella)属、例えばばか苗病菌(Gibberella fujikuroi)、ボトリチス(Botrytis)属、例えば灰色かび病菌(Botrytis cinerea)、アルタナリア(Alternaria)属、例えばコマツナ黒すす病菌(Alternaria brassicicola)、リゾクトニア(Rhizoctonia)属、例えば紋枯病菌(Rhizoctonia solani)、パクシニア(Puccinia)属、例えばさび病菌(Puccinia recondita)、シュウドペロノスポラ(Pseudoperonospora)属、例えばべと病菌(Pseudoperonospora cubensis)。
【0103】
さらに、本発明の化合物は必要に応じて殺虫剤、他の殺菌剤、除草剤、植物生長調節剤、肥料等と混用してもよい。次に本発明の農園芸用殺菌剤の代表的な製剤例あげて製剤方法を具体的に説明する。以下の説明において「%」は重量百分率を示す。
【0104】
製剤例1 粉剤
化合物(A−4)2%、珪藻土5%及びクレ−93%を均一に混合粉砕して粉剤とした。
【0105】
製剤例2 水和剤
化合物(B−6)50%、珪藻土45%、ジナフチルメタンジスルホン酸ナトリウム2%及びリグニンスルホン酸ナトリウム3%を均一に混合粉砕して水和剤とした。
【0106】
製剤例3 乳剤
化合物(C−29)30%、シクロヘキサノン20%、ポリオキシエチレンアルキルアリールエーテル11%、アルキルベンゼンスルホン酸カルシウム4%及びメチルナフタリン35%を均一に溶解して乳剤とした。
【0107】
製剤例4 粒剤
化合物(B−34)5%、ラウリルアルコール硫酸エステルのナトリウム塩2%、リグニンスルホン酸ナトリウム5%、カルボキシメチルセルロース2%及びクレー86%を均一に混合粉砕する。この混合物100重量部に水20重量部を加えて練合し、押出式造粒機を用いて14〜32メッシュの粒状に加工したのち、乾燥して粒剤とした。
【0108】
次に本発明の農園芸用殺菌剤の奏する効果を試験例をあげて具体的に説明する。尚、試験には特開平6−220004号公報明細書に記載されている後述の化合物を比較薬剤として使用した。
【0109】
比較薬剤:N−(1−シアノ−1−シクロプロピルエチル)−2−(2,4−ジクロロフェニル)アセトアミド
【0110】
試験例1 イネいもち病予防効果試験
直径7cmの素焼鉢に水稲種子(品種:愛知旭)約15粒ずつ播種し、温室内で2〜3週間育成した。第4葉が完全に展開したイネ苗に製剤例2に準じて調製した水和剤を有効成分濃度が500ppmになるように水で希釈し、1鉢当り10ml散布した。風乾後、イネいもち病菌(Pyricularia oryzae)の分生胞子懸濁液を噴霧接種し、直ちに25℃の湿室内に24時間入れた。その後温室内に移し、接種5日後に第4葉の病斑数を調査した。数1により防除価を求め、表25の基準により評価した結果を表26〜表28に示した。
【0111】
【数1】
【0112】
【表25】
【0113】
【表26】
【0114】
【表27】
【0115】
【表28】
【0116】
試験例2 イネいもち病水面施用試験
直径9cmの白磁鉢に2葉期のイネ苗(品種:愛知旭)稚苗を3茎ずつ4カ所に移植し、温室内で育成した。3葉期に製剤例4に準じて調製した粒剤を有効成分濃度が10アールあたり300gになるように鉢に水面施用処理をした。イネ苗の第4葉が完全に展開した頃、イネいもち病菌(Pyricularia oryzae)の分生胞子懸濁液を噴霧接種し、直ちに25℃の湿室内に24時間静置した。その後、このイネ苗を温室へ移し発病させ、接種5日後に第4葉の病斑数を調査した。数1により防除価を求め、表25の基準により評価した結果を表29に示した。
【0117】
【表29】
【0118】
試験例3 リンゴ黒星病予防効果試験
直径5.5cmのプラスチック製ポットにリンゴ種子(品種:紅玉)を4粒づつ播種し、温室内で20日間育成させた。リンゴ苗の本葉第4葉が完全に展開した頃、製剤例2に準じて調製した水和剤を有効成分濃度が50ppmになるように水で希釈し、1鉢当たり20ml散布した。リンゴ苗に付着した薬液を乾かした後、リンゴ黒星病菌(Venturia inaequalis)の胞子懸濁液を噴霧接種し、直ちに20℃の湿室内に48時間静置した。その後、リンゴ苗を温室内に移し発病させ、接種14日後に各本葉の発病面積を調査した。表30の基準により発病度を評価し、この発病度とその該当する葉数から数2により被害度を求め、さらに数3により防除価を求めた。得られた防除価を表25の基準により評価し、結果を表31に示した。
【0119】
【表30】
【0120】
【数2】
【0121】
【数3】
【0122】
【表31】
【0123】
【発明の効果】
本発明の農園芸用殺菌剤はイネいもち病、リンゴ黒星病等に対して極めて高い予防効果を有している。また、本発明の農園芸用殺菌剤は浸透移行性にも優れ、水面施用剤としてイネいもち病に対して極めて高い防除効果を発揮する。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a phenylalkanoic acid amide derivative, which is a novel compound not described in any literature, and an agricultural and horticultural fungicide containing this as an active ingredient.
[0002]
[Prior art]
To date, N-phenylacetaminonitriles such as N- (1-cyano-1-cyclopropylethyl) -2- (2,4-dichlorophenyl) acetamide have been converted to 3-arylpyrrolidine-2,4-diones. However, its usefulness as an agricultural and horticultural fungicide is not known at all (Japanese Patent Laid-Open No. 6-220004 and Japanese Patent Laid-Open No. 6-267331).
[0003]
[Problems to be solved by the invention]
In recent years, due to the extensive use of agricultural and horticultural fungicides, resistant bacteria to drugs have emerged, and existing drugs may not exhibit sufficient bactericidal activity. Also, from the environmental problem, a new bactericidal agent that can efficiently control harmful bacteria at a low concentration is demanded.
[0004]
[Means for Solving the Problems]
The inventors of the present invention synthesized various novel phenylalkanoic acid amide derivatives and studied their physiological activity in order to develop a drug having a bactericidal activity superior to that of conventionally known bactericides. It has been found that it has excellent bactericidal activity against rice blast and the like, and does not cause any harm to useful crops, and has completed the present invention. That is, the present invention relates to the general formula (1),
[0005]
[Chemical 6]
[Wherein R1Is a hydrogen atom or C1~ C6Represents an alkyl group, R2Is a hydrogen atom, C1~ C6Alkyl group, C3~ C6A cycloalkyl group or C1~ C4Represents a haloalkyl group, R3And R4Are each independently C1~ C6Alkyl group, C2~ C6Alkenyl group, C3~ C6A cycloalkyl group, C2~ C6An alkoxyalkyl group or C1~ C4Represents a haloalkyl group or R3And R4Is a 5- to 7-membered cycloalkyl group together with the carbon atom to which it is attached (the group is C1~ C6It may be substituted with an alkyl group. Q represents a cyano group or a group —COR5(R5Is a hydroxy group, C1~ C6Alkyl group, C1~ C6Alkoxy group, C2~ C6Alkenyloxy group, C2~ C6Alkynyloxy group, C3~ C6Cycloalkyloxy group, phenoxy group, benzyloxy group, amino group, C1~ C6An alkylamino group or C1~ C6Represents a dialkylamino group. X represents a halogen atom, C1~ C6Alkyl group, C2~ C6Alkenyl group, C2~ C6Alkynyl group, C3~ C6A cycloalkyl group, C1~ C4Haloalkyl group, hydroxy group, C1~ C6Alkoxy group, C2~ C6Alkenyloxy group, C2~ C6Alkynyloxy group, C3~ C6Cycloalkyloxy group, C1~ C4Haloalkoxy group, aryloxy group (the group is C1~ C6Alkyl group, C1~ C4Haloalkyl group, C1~ C6It may be substituted with an alkoxy group, a cyano group, a nitro group or a halogen atom. ), A heteroaryloxy group (the group is C1~ C6Alkyl group, C1~ C4Haloalkyl group, C1~ C6It may be substituted with an alkoxy group, a cyano group, a nitro group or a halogen atom. ), C1~ C6Alkylthio group, C1~ C6Alkylsulfinyl group, C1~ C6Alkylsulfonyl group, C1~ C4Haloalkylthio group, arylthio group (the group is C1~ C6Alkyl group, C1~ C4Haloalkyl group, C1~ C6It may be substituted with an alkoxy group, a cyano group, a nitro group or a halogen atom. ), A heteroarylthio group (the group is C1~ C6Alkyl group, C1~ C4Haloalkyl group, C1~ C6It may be substituted with an alkoxy group, a cyano group, a nitro group or a halogen atom. ), Arylsulfinyl group (the group is C1~ C6Alkyl group, C1~ C4Haloalkyl group, C1~ C6It may be substituted with an alkoxy group, a cyano group, a nitro group or a halogen atom. ), An arylsulfonyl group (the group is C1~ C6Alkyl group, C1~ C4Haloalkyl group, C1~ C6It may be substituted with an alkoxy group, a cyano group, a nitro group or a halogen atom. ), Amino group, C1~ C6Alkylamino group, C1~ C6Dialkylamino group, nitro group, cyano group, aryl group (the group is C1~ C6Alkyl group, C1~ C4Haloalkyl group, C1~ C6It may be substituted with an alkoxy group, a cyano group, a nitro group or a halogen atom. ), A heteroaryl group (the group is C1~ C6Alkyl group, C1~ C4Haloalkyl group, C1~ C6It may be substituted with an alkoxy group, a cyano group, a nitro group or a halogen atom. ), An aralkyl group (the group is C1~ C6Alkyl group, C1~ C4Haloalkyl group, C1~ C6It may be substituted with an alkoxy group, a cyano group, a nitro group or a halogen atom. ), C1~ C6An alkylcarbonyl group, an arylcarbonyl group (the group is C1~ C6Alkyl group, C1~ C4Haloalkyl group, C1~ C6It may be substituted with an alkoxy group, a cyano group, a nitro group or a halogen atom. ), A heteroarylcarbonyl group (the group is C1~ C6Alkyl group, C1~ C4Haloalkyl group, C1~ C6It may be substituted with an alkoxy group, a cyano group, a nitro group or a halogen atom. ), Formyl group or C1~ C6Represents an alkoxycarbonyl group, Y and Z are each a hydrogen atom, C1~ C6Alkyl group, C1~ C4Haloalkyl group, C1~ C6An alkoxy group, a cyano group, a nitro group, or a halogen atom is represented, and n represents an integer of 0 to 3. However, R1And R2When Y represents a hydrogen atom at the same time, Y and Z both represent a hydrogen atom, and n represents an integer of 1 to 3. ] And the agricultural and horticultural fungicides containing these phenylalkanoic acid amide derivatives as active ingredients.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Terms used in this specification will be described below. In this specification, for example, “C1~ C6The notation such as “” indicates that the number of carbon atoms of the subsequent substituent is 1 to 6 in this case.
[0007]
C1~ C6The alkyl group represents a linear or branched alkyl group, for example, methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, tert-butyl group, An n-pentyl group, an isopentyl group, a neopentyl group, an n-hexyl group, an isohexyl group, a 3,3-dimethylbutyl group, and the like can be given.
[0008]
C3~ C6Examples of the cycloalkyl group include a cyclopropyl group, a cyclopentyl group, and a cyclohexyl group.
[0009]
C1~ C4The haloalkyl group represents a linear or branched alkyl group substituted with a halogen atom, for example, a fluoromethyl group, a chloromethyl group, a difluoromethyl group, a dichloromethyl group, a trifluoromethyl group, a pentafluoroethyl group. Etc. can be mentioned.
[0010]
C2~ C6An alkenyl group represents a linear or branched alkenyl group, and examples thereof include a vinyl group, a 1-propenyl group, an allyl group, an isopropenyl group, a 1-butenyl group, and a 2-butenyl group.
[0011]
C2~ C6An alkynyl group represents a linear or branched alkynyl group. For example, ethynyl group, 1-propynyl group, 2-propynyl group, 1-butynyl group, 2-butynyl group, 3-butynyl group, 4-methyl- Examples thereof include a 1-pentynyl group and a 3-methyl-1-pentynyl group.
[0012]
Examples of the aryl group include a phenyl group, a 1-naphthyl group, and a 2-naphthyl group.
[0013]
Examples of the heteroaryl group include 2-pyridyl group, 3-pyridyl group, 4-pyridyl group, 2-furyl group, 3-furyl group, 2-thienyl group, 3-thienyl group, 1-pyrrolyl group and 2-pyrrolyl group. Group, 3-pyrrolyl group and the like.
[0014]
An aralkyl group is a linear or branched C substituted by an aryl group (representing the above meaning).1~ C3Represents an alkyl group, and examples thereof include a benzyl group, a phenethyl group, a 1-naphthylmethyl group, and a 2-naphthylmethyl group.
[0015]
The halogen atom represents a fluorine atom, a chlorine atom, a bromine atom or an iodine atom.
[0016]
C1~ C6The alkoxy group represents a linear or branched alkoxy group, for example, a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, an isobutoxy group, a sec-butoxy group, or a tert-butoxy group. , N-pentyloxy group, isopentyloxy group, n-hexyloxy group and the like.
[0017]
C2~ C6The alkenyloxy group represents a linear or branched alkenyloxy group, and examples thereof include an allyloxy group, an isopropenyloxy group, and a 2-butenyloxy group.
[0018]
C2~ C6The alkynyloxy group represents a linear or branched alkynyloxy group, and examples thereof include a 2-propynyloxy group, a 2-butynyloxy group, and a 3-butynyloxy group.
[0019]
C3~ C6Examples of the cycloalkyloxy group include a cyclopropyloxy group, a cyclopentyloxy group, and a cyclohexyloxy group.
[0020]
C1~ C4The haloalkoxy group represents a linear or branched alkoxy group substituted with a halogen atom, and examples thereof include a fluoromethoxy group, a difluoromethoxy group, a trifluoromethoxy group, and a pentafluoroethoxy group.
[0021]
Examples of the aryloxy group include a phenoxy group, a 1-naphthyloxy group, and a 2-naphthyloxy group.
[0022]
Examples of the heteroaryloxy group include a 2-pyridyloxy group, a 3-pyridyloxy group, a 4-pyridyloxy group, a 2-furyloxy group, a 3-furyloxy group, a 2-thienyloxy group, and a 3-thienyloxy group. Can be mentioned.
[0023]
Aralkyloxy group is a linear or branched C substituted with an aryl group.1~ C3Represents an alkoxy group, and examples thereof include a benzyloxy group and a phenethyloxy group.
[0024]
C1~ C6The alkylthio group represents a linear or branched alkylthio group, for example, methylthio group, ethylthio group, n-propylthio group, isopropylthio group, n-butylthio group, isobutylthio group, sec-butylthio group, tert-butylthio group. Group, n-hexylthio group and the like.
[0025]
C1~ C6The alkylsulfinyl group represents a linear or branched alkylsulfinyl group, for example, methylsulfinyl group, ethylsulfinyl group, n-propylsulfinyl group, isopropylsulfinyl group, n-butylsulfinyl group, isobutylsulfinyl group, sec- Examples thereof include a butylsulfinyl group, a tert-butylsulfinyl group, and an n-hexylsulfinyl group.
[0026]
C1~ C6The alkylsulfonyl group represents a linear or branched alkylsulfonyl group, for example, methylsulfonyl group, ethylsulfonyl group, n-propylsulfonyl group, isopropylsulfonyl group, n-butylsulfonyl group, isobutylsulfonyl group, sec- Examples thereof include a butylsulfonyl group, a tert-butylsulfonyl group, and an n-hexylsulfonyl group.
[0027]
C1~ C4The haloalkylthio group represents a linear or branched alkylthio group substituted by a halogen atom, and examples thereof include a fluoromethylthio group, a difluoromethylthio group, a trifluoromethylthio group, and a pentafluoroethylthio group. .
[0028]
Examples of the arylthio group include a phenylthio group, a 1-naphthylthio group, and a 2-naphthylthio group.
[0029]
Examples of the heteroarylthio group include a 2-pyridylthio group, a 3-pyridylthio group, a 4-pyridylthio group, a 2-furylthio group, a 3-furylthio group, a 2-thienylthio group, and a 3-thienylthio group.
[0030]
Examples of the arylsulfinyl group include a phenylsulfinyl group, a 1-naphthylsulfinyl group, and a 2-naphthylsulfinyl group.
[0031]
Examples of the arylsulfonyl group include a phenylsulfonyl group, a 1-naphthylsulfonyl group, and a 2-naphthylsulfonyl group.
[0032]
C1~ C6The alkylamino group represents a linear or branched alkylamino group, for example, methylamino group, ethylamino group, n-propylamino group, isopropylamino group, n-butylamino group, isobutylamino group, sec- Examples thereof include a butylamino group, a tert-butylamino group, and an n-hexylamino group.
[0033]
C1~ C6Examples of the dialkylamino group include a dimethylamino group, a diethylamino group, a dipropylamino group, and a dibutylamino group.
[0034]
C1~ C6The alkylcarbonyl group represents a linear or branched alkylcarbonyl group, and examples thereof include an acetyl group, a propionyl group, a butyryl group, and an isobutyryl group.
[0035]
Examples of the arylcarbonyl group include a benzoyl group, a 1-naphthylcarbonyl group, and a 2-naphthylcarbonyl group.
[0036]
Examples of the heteroarylcarbonyl group include 2-pyridylcarbonyl group, 3-pyridylcarbonyl group, 4-pyridylcarbonyl group, 2-furylcarbonyl group, 3-furylcarbonyl group, 2-thienylcarbonyl group, 3-thienylcarbonyl group and the like. Can be mentioned.
[0037]
C1~ C6The alkoxycarbonyl group represents a linear or branched alkoxycarbonyl group, for example, a methoxycarbonyl group, an ethoxycarbonyl group, an n-propoxycarbonyl group, an isopropoxycarbonyl group, an n-butoxycarbonyl group, an isobutoxycarbonyl group, Examples thereof include a sec-butoxycarbonyl group, a tert-butoxycarbonyl group, an n-pentyloxycarbonyl group, and an n-hexyloxycarbonyl group.
[0038]
Some of the compounds of the present invention represented by the general formula (1) have one or more asymmetric carbon atoms in the molecule, and such compounds have optical isomers. Pure individual diastereomers, enantiomers and mixtures thereof are also included in the compounds of the present invention.
[0039]
Preferred compounds of the present compound represented by the general formula (1) include R1Is a hydrogen atom or a methyl group, R2Is a hydrogen atom, a methyl group or an ethyl group, and R3Is methyl, ethyl or n-propyl, R4Is a methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, tert-butyl group, cyclopropyl group, cyclopentyl group or dichloromethyl group, and Q is a cyano group, A methoxycarbonyl group, an ethoxycarbonyl group, an n-propoxycarbonyl group, an isopropoxycarbonyl group, an n-butoxycarbonyl group, a sec-butoxycarbonyl group or a carbamoyl group, and X is a fluorine atom, a chlorine atom, a bromine atom, an iodine atom, methyl Group, ethyl group, isopropyl group, isobutyl group, sec-butyl group, tert-butyl group, cyclopentyl group, cyclohexyl group, trifluoromethyl group, methoxy group, ethoxy group, n-propoxy group, isopropoxy group, difluoromethoxy group , Trifluoromethoxy group A phenoxy group, a methylthio group, an ethylthio group, an isopropylthio group, a dimethylamino group, a diethylamino group, a nitro group, a cyano group, a phenyl group, an acetyl group, or a benzoyl group, Y and Z are hydrogen atoms or fluorine atoms, and n is 1 The compound which is an integer of -3 can be mentioned.
[0040]
Next, representative examples of the compound of the present invention represented by the general formula (1) are shown in Tables 1 to 24, but are not limited thereto. The compound number is referred to in the following description.
[0041]
Each symbol in the table represents the following meaning. Me represents a methyl group, Et represents an ethyl group, Pr-n represents an n-propyl group, Pr-i represents an isopropyl group, Bu-n represents an n-butyl group, Bu-i represents an isobutyl group, Bu-s represents a sec-butyl group, Bu-t represents a tert-butyl group, Pr-cyc represents a cyclopropyl group, and Pen-cyc Represents a cyclopentyl group, Ph represents a phenyl group, 4-OPh (2-Cl) represents a 4- (2-chlorophenyl) oxy group, and 4-O (2-Py) represents 4- (2- Represents a pyridyl) oxy group and represents 4-O (5-CF3, 2-Py) represents a 4- (5-trifluoromethyl-2-pyridyl) oxy group, 4-O (3-Py) represents a 4- (3-pyridyl) oxy group, and 4-O (4-Py) represents a 4- (4-pyridyl) oxy group, 4-SPh (2-Cl) represents a 4- (2-chlorophenyl) thio group, and 4-S (O) Ph (2 -Cl) represents a 4- (2-chlorophenyl) sulfinyl group and represents 4-SO2Ph (2-Cl) represents a 4- (2-chlorophenyl) sulfonyl group, 4-S (2-Py) represents a 4- (2-pyridyl) thio group, and 4-Ph (4-CF3) Represents a 4- (4-trifluoromethylphenyl) group, 4- (2-Py) represents a 4- (2-pyridyl) group, and 4- (2-Fur) represents 4- (2 -Furyl) group, 4- (2-Thi) represents a 4- (2-thienyl) group, and 4-COPh (2-Me) represents a 4- (2-methylbenzoyl) group. -CO (3-Py) represents a 4- (3-pyridyl) carbonyl group, 4-CO (2-Fur) represents a 4- (2-furyl) carbonyl group, and 4-CO (2-Thi) ) Represents a 4- (2-thienyl) carbonyl group and represents 4-CH2Ph (3-Cl) represents a 4- (3-chlorobenzyl) group, and 4- (1-Pyrr) represents a 4- (1-pyrrolyl) group.
[0042]
[Table 1]
[0043]
[Table 2]
[0044]
[Table 3]
[0045]
[Table 4]
[0046]
[Table 5]
[0047]
[Table 6]
[0048]
[Table 7]
[0049]
[Table 8]
[0050]
[Table 9]
[0051]
[Table 10]
[0052]
[Table 11]
[0053]
[Table 12]
[0054]
[Table 13]
[0055]
[Table 14]
[0056]
[Table 15]
[0057]
[Table 16]
[0058]
[Table 17]
[0059]
[Table 18]
[0060]
[Table 19]
[0061]
[Table 20]
[0062]
[Table 21]
[0063]
[Table 22]
[0064]
[Table 23]
[0065]
[Table 24]
[0066]
Compound C-42, Compound C-43, Compound C-196, Compound C-197, Compound C-198 and Compound C-199 are optically active substances, respectively, and the specific rotation is [α].D 22= + 32.7 ° (c = 0.5, CHCl3), [Α]D 22= -27.3 ° (c = 0.5, CHCl3), [Α]D 22= + 9.8 ° (c = 1.0, CHCl3), [Α]D 22= + 23.4 ° (c = 1.0, CHCl3), [Α]D 22= −8.4 ° (c = 1.0, CHCl3), [Α]D 22= -19.9 ° (c = 1.0, CHCl3).
[0067]
Compound C-16, Compound C-17, Compound C-18, Compound C-21, Compound C-24, Compound C-27, Compound C-34, Compound C-39, Compound C-47, Compound C-51, Compound C-54, Compound C-62, Compound C-66, Compound C-71, Compound C-73, Compound C-75, Compound C-81, Compound C-88, Compound C-92, Compound C-94, Compound C-99, Compound C-102, Compound C-106, Compound C-108, Compound C-112, Compound C-114, Compound C-117, Compound C-122, Compound C-129, Compound C-131, Compound C-140, Compound C-157, Compound C-161, Compound C-165, Compound C-169, Compound C-171, Compound C-174, Compound C-177, Compound C-179, Compound -181, Compound C-184, Compound C-187, Compound C-189, Compound C-193, Compound C-196, Compound C-198, Compound C-200, Compound D-40, Compound D-63, Compound D -91, Compound D-119, Compound E-30, and Compound E-37 are diastereoisomers A, Compound C-19, Compound C-22, Compound C-25, Compound C-28, and Compound C-35. , Compound C-40, Compound C-48, Compound C-52, Compound C-55, Compound C-63, Compound C-67, Compound C-72, Compound C-74, Compound C-76, Compound C-82 , Compound C-89, Compound C-93, Compound C-95, Compound C-100, Compound C-103, Compound C-107, Compound C-109, Compound C-113, Compound C-115, Compound C-118, Compound C-123, Compound C-130, Compound C-141, Compound C-158, Compound C-162, Compound C-166, Compound C-170, Compound C-172, Compound C-175, Compound C-178, Compound C-180, Compound C-182, Compound C-185, Compound C-188, Compound C-190, Compound C-194, Compound C-197, Compound C-199, Compound C-201, Compound D-41, Compound D-64, Compound D-92, Compound D-120, Compound E-31 and Compound E-38 are diastereomers B. Other compounds having two or more asymmetric carbon atoms are diastereomeric mixtures.
[0068]
Diastereomer A is a low-polar diastereomer separated by silica gel column chromatography or liquid column chromatography, and diastereomer B is a high-polar diastereomer separated in the same manner. To express.
[0069]
This invention compound represented by General formula (1) can be manufactured according to the manufacturing method represented below, for example.
Manufacturing method 1
[0070]
[Chemical 7]
(Wherein R1, R2, R3, R4, X, Y, Z, Q and n represent the same meaning as described above. )
[0071]
The compound (1) of the present invention is represented by the general formula (3) using a phenylalkanoic acid derivative represented by the general formula (2), if necessary in the presence of a catalyst and / or a base, using a condensing agent. It can be produced by reacting with amines.
[0072]
This reaction is usually performed in a solvent. As the solvent that can be used, any solvent that does not inhibit the reaction may be used, for example, pentane, hexane, heptane, cyclohexane, petroleum ether, ligroin, benzene, toluene, xylene and other hydrocarbons, dichloromethane, dichloroethane, chloroform, tetrachloride. Halogenated hydrocarbons such as carbon, chlorobenzene and dichlorobenzene, ethers such as diethyl ether, diisopropyl ether, ethylene glycol dimethyl ether, tetrahydrofuran and dioxane, ketones such as acetone, methyl ethyl ketone, methyl isopropyl ketone and methyl isobutyl ketone, methyl acetate , Acetates such as ethyl acetate, nitriles such as acetonitrile and propionitrile, or dimethyl sulfoxide, N, N-dimethylformamide, sulfo The solvent may be a mixed solvent combining the selected aprotic polar solvent or from these such emissions.
[0073]
Examples of the condensing agent include 1-ethyl-3- (3-dimethylaminopropyl) carbodiimide hydrochloride, N, N′-dicyclohexylcarbodiimide, carbonyldiimidazole, 2-chloro-1,3-dimethylimidazolium chloride and the like. It is done.
[0074]
Examples of the catalyst include 4-dimethylaminopyridine, 1-hydroxybenzotriazole, dimethylformamide and the like.
[0075]
As the base, those generally used for this type of reaction can be used. For example, alkali metal hydroxides such as sodium hydroxide and potassium hydroxide, alkaline earth metal hydroxides such as calcium hydroxide, alkali metal carbonates such as sodium carbonate and potassium carbonate, or triethylamine, trimethylamine, N, N -Dimethylaniline, pyridine, N-methylpiperidine, 1,5-diazabicyclo [4.3.0] non-5-ene (DBN), 1,8-diazabicyclo [5.4.0] -7-undecene (DBU) ) And the like, preferably tertiary amines such as triethylamine, pyridine, N-methylpiperidine and the like.
[0076]
The reaction temperature is −50 ° C. to 150 ° C., preferably 0 ° C. to 60 ° C. The reaction time is preferably 1 to 30 hours.
[0077]
Next, the manufacturing method of the raw material compound used by this manufacturing method is demonstrated.
[0078]
The compound represented by the general formula (2) can be produced, for example, by hydrolyzing phenylmalonic acid esters with alkali, then heating and decarboxylation. This is a known method [Journal of Organic Chemistry, Vol. 13, pp. 763 (1948), Organic Syntheses, Vol. 3, 557 (1955), Japanese Patent Application Laid-Open No. 40-7491 or Synthesis, Vol. 6, page 456 (1982)].
[0079]
Moreover, the compound represented by General formula (3) can be manufactured with a Strecker method from ketones, sodium cyanide, and ammonium chloride, for example. This is a known method [Organic Syntheses, Vol. 3, p. 88 (1955), Journal of Medicinal Chemistry, Vol. 9, 911. (1966) or Tetrahedron Letters, Vol. 17, 1455 (1977)].
Manufacturing method 2
[0080]
[Chemical 8]
(Wherein R1, R2, R3, R4, X, Y, Z, Q and n represent the same meaning as described above, and L represents a halogen atom. )
[0081]
The compound (1) of the present invention can be produced by reacting a phenylalkanoic acid halide represented by the general formula (4) with an amine represented by the general formula (3) in the presence of a base. .
[0082]
This reaction is usually performed in a solvent. As the solvent that can be used, any solvent that does not inhibit the reaction may be used, for example, pentane, hexane, heptane, cyclohexane, petroleum ether, ligroin, benzene, toluene, xylene and other hydrocarbons, dichloromethane, dichloroethane, chloroform, tetrachloride. Halogenated hydrocarbons such as carbon, chlorobenzene and dichlorobenzene, ethers such as diethyl ether, diisopropyl ether, ethylene glycol dimethyl ether, tetrahydrofuran and dioxane, ketones such as acetone, methyl ethyl ketone, methyl isopropyl ketone and methyl isobutyl ketone, methyl acetate , Acetates such as ethyl acetate, nitriles such as acetonitrile and propionitrile, or aprotic such as N, N-dimethylformamide and sulfolane Sex solvent or a mixed solvent combining solvents selected from these may be used.
[0083]
As the base, those generally used for this type of reaction can be used. For example, alkali metal hydroxides such as sodium hydroxide and potassium hydroxide, alkaline earth metal hydroxides such as calcium hydroxide, alkali metal carbonates such as sodium carbonate and potassium carbonate, or triethylamine, trimethylamine, N, N -Dimethylaniline, pyridine, N-methylpiperidine, 1,5-diazabicyclo [4.3.0] non-5-ene (DBN), 1,8-diazabicyclo [5.4.0] -7-undecene (DBU) ) And the like, preferably tertiary amines such as triethylamine, pyridine, N-methylpiperidine and the like.
[0084]
The reaction temperature is −50 ° C. to 150 ° C., preferably 0 ° C. to 60 ° C. The reaction time is preferably 1 to 30 hours.
[0085]
Next, the manufacturing method of the raw material compound used by this manufacturing method is demonstrated.
[0086]
The phenylalkanoic acid halides represented by the general formula (4) are prepared by changing the phenylalkanoic acids represented by the general formula (2) produced by the above-described method, for example, thionyl chloride, phosphorus pentachloride, phosphorus tribromide. It can manufacture by making it react with halogenating agents, such as.
Production method 3
[0087]
[Chemical 9]
(Wherein R1, R2, R3, R4, X, Y, Z and n represent the same meaning as described above, and R represents C1~ C6Represents an alkyl group. )
[0088]
By reacting the compound of the present invention represented by the general formula (1-1) with an alcohol represented by the general formula (5) saturated with hydrogen chloride, the present compound represented by the general formula (1-2) Inventive compounds can be prepared.
[0089]
This reaction is usually performed in a solvent. As the solvent that can be used, any solvent that does not inhibit the reaction may be used. For example, alcohols such as methanol, ethanol, propanol, isopropanol, butanol, pentane, hexane, heptane, cyclohexane, petroleum ether, ligroin, benzene, toluene, xylene Hydrocarbons such as dichloromethane, dichloroethane, chloroform, carbon tetrachloride, chlorobenzene, dichlorobenzene and other solvents, ethers such as diethyl ether, diisopropyl ether, ethylene glycol dimethyl ether, tetrahydrofuran, dioxane and the like, and these A mixed solvent in which a solvent selected from the above is combined can be used.
[0090]
The reaction temperature is −50 ° C. to 150 ° C., preferably 0 ° C. to 120 ° C. The reaction time is preferably 1 to 20 hours.
[0091]
【Example】
Next, the production method of the compound of the present invention will be specifically described.
Production Example 1 Production of N- (1-cyano-1,2-dimethylpropyl) -2- (4-biphenyl) acetamide (Compound No. A-87)
Dissolve 1.0 g (4.5 mmol) of 4-biphenylacetic acid in 50 ml of dichloromethane, and add 1.1 g (5.7 mmol) of 1-ethyl-3- (3-dimethylaminopropyl) carbodiimide hydrochloride at room temperature. Added and stirred for 10 minutes. To this mixture was added 0.5 g (4.7 mmol) of 2-amino-2,3-dimethylbutyronitrile, and the mixture was stirred at room temperature for 3 hours. After completion of the reaction, water was added to the reaction solution, the dichloromethane layer was washed with water and dried over anhydrous magnesium sulfate, and then dichloromethane was distilled off under reduced pressure. The residue was purified by silica gel column chromatography to obtain 1.1 g (yield 76%) of the desired product having a melting point of 151 to 152 ° C.
[0092]
Production Example 2 Production of N- (1-cyano-1,2-dimethylpropyl) -2- (4-bromophenyl) propionamide (Compound Nos. C-47 and C-48)
In 20 ml of tetrahydrofuran, 0.9 g (8.0 mmol) of 2-amino-2,3-dimethylbutyronitrile and 0.8 g (7.9 mmol) of triethylamine were dissolved. Under stirring at 10 ° C., 1.5 g (6.0 mmol) of 2- (4-bromophenyl) propionic acid chloride was added dropwise to the mixture over 5 minutes. After completion of the dropwise addition, the reaction solution was stirred at room temperature for 5 hours. The reaction mixture was concentrated, water was added, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was dried over anhydrous magnesium sulfate, and then ethyl acetate was distilled off under reduced pressure. The residue was purified by silica gel column chromatography, and 0.45 g (yield 24%) of diastereomer A (low polarity) having a melting point of 130 to 131 ° C. and diastereomer B (high) having a melting point of 121 to 123 ° C. Polar body) 0.75g (yield 40%) was obtained.
[0093]
Production Example 3 Production of N- (1-carbamoyl-1-ethylpropyl) -2- (4-chlorophenyl) propionamide (Compound No. D-32)
In 50 ml of tetrahydrofuran, 2.3 g (18 mmol) of 2-amino-2-ethylbutyramide and 2.0 g (20 mmol) of triethylamine were suspended. Under stirring at room temperature, 10 ml of a tetrahydrofuran solution in which 3.0 g (15 mmol) of 2- (4-chlorophenyl) propionic acid chloride was dissolved was dropped into this suspension over 10 minutes. After completion of the dropwise addition, the reaction solution was further stirred at room temperature for 3 hours. The reaction mixture was concentrated, water was added, and the mixture was extracted with chloroform. After the chloroform layer was dried over anhydrous magnesium sulfate, chloroform was distilled off under reduced pressure. The obtained crystals were washed with diisopropyl ether to obtain 4.2 g (yield 94%) of the desired product having a melting point of 116 to 118 ° C.
[0094]
Production Example 4 Production of methyl 2- [1- (4-chlorophenyl) ethylcarbonylamino] -2-ethylbutyrate (Compound No. D-28)
0.6 g (2.0 mmol) of N- (1-carbamoyl-1-ethylpropyl) -2- (4-chlorophenyl) propionamide obtained in Preparation Example 3 was dissolved in 10 ml of hydrogen chloride saturated methanol and heated to reflux. Under stirring for 3 hours. The reaction mixture was concentrated, water was added, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was dried over anhydrous magnesium sulfate, and then ethyl acetate was distilled off under reduced pressure. The residue was purified by silica gel column chromatography to obtain 0.5 g (yield 81%) of the desired product having a melting point of 98-99 ° C.
[0095]
Production Example 5 Production of N- (1-cyano-1-cyclopropylethyl) -2- (4-chlorophenyl) -2-methylpropionamide (Compound No. E-9)
In 20 ml of tetrahydrofuran, 0.25 g (2.3 mmol) of 2-amino-2-cyclopropylpropionitrile and 0.3 g (3.0 mmol) of triethylamine were dissolved. To this mixture, 0.5 g (2.3 mmol) of 2- (4-chlorophenyl) -2-methylpropionic acid chloride was added dropwise at 10 ° C. with stirring for 5 minutes. After completion of the dropwise addition, the reaction solution was stirred at room temperature for 3 hours. The reaction mixture was concentrated, water was added, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was dried over anhydrous magnesium sulfate, and then ethyl acetate was distilled off under reduced pressure. The residue was purified by silica gel column chromatography to obtain 0.5 g (yield 75%) of the desired product having a melting point of 93 to 94 ° C.
[0096]
Production Example 6 Production of Isopropyl 2- (4-trifluoromethylbenzylcarbonylamino) -2,3-dimethylbutyrate (Compound No. B-36)
In 50 ml of dichloromethane, 1.0 g (4.9 mmol) of 4-trifluoromethylphenylacetic acid was dissolved, and 1.1 g (5.7 mmol) of 1-ethyl-3- (3-dimethylaminopropyl) carbodiimide hydrochloride was dissolved therein. Was added at room temperature and stirred for 10 minutes. To this mixture was added 0.9 g (5.2 mmol) of isopropyl 2-amino-2,3-dimethylbutyrate, and the mixture was stirred at room temperature for 3 hours. After completion of the reaction, water was added to the reaction solution, the dichloromethane layer was washed with water and dried over anhydrous magnesium sulfate, and then dichloromethane was distilled off under reduced pressure. The residue was purified by silica gel column chromatography to obtain 1.4 g (yield 80%) of the desired product having a melting point of 122 to 123 ° C.
[0097]
The agricultural and horticultural fungicide of the present invention comprises a phenylalkanoic acid amide derivative represented by the general formula [I] as an active ingredient. When the compound of the present invention is used as an agricultural and horticultural fungicide, the active ingredient can be used in an appropriate dosage form depending on the purpose. Usually, the active ingredient is diluted with an inert liquid or solid carrier, and if necessary, a surfactant or the like is added thereto, and it can be used in the form of a powder, wettable powder, emulsion, granule or the like.
[0098]
Examples of suitable carriers include solid carriers such as talc, bentonite, clay, kaolin, diatomaceous earth, white carbon, vermiculite, slaked lime, silica sand, ammonium sulfate, and urea, and liquid carriers such as isopropyl alcohol, xylene, cyclohexanone, and methylnaphthalene. It is done. Examples of the surfactant and dispersant include dinaphthyl methane sulfonate, alcohol sulfate ester salt, alkyl aryl sulfonate, lignin sulfonate, polyoxyethylene glycol ether, polyoxyethylene alkyl aryl ether, and polyoxyethylene sorbitan. Examples include monoalkylates. Examples of the auxiliary agent include carboxymethyl cellulose. These preparations are sprayed diluted to an appropriate concentration or applied directly.
[0099]
The agricultural and horticultural fungicide of the present invention can be used by foliage spraying, soil application or water surface application. The blending ratio of the active ingredient is appropriately selected as necessary, but 0.1 to 20% (weight) is used for powders and granules, and 5 to 80% (weight) is used for emulsions and wettable powders. Is appropriate.
[0100]
The application amount of the agricultural and horticultural fungicide of the present invention varies depending on the type of compound used, target disease, occurrence tendency, degree of damage, environmental conditions, dosage form used, and the like. For example, when using it as it is like a powder agent and a granule, it is good to select suitably from the range of 0.1g-5kg per 10 are, preferably 1g-1kg with an active ingredient. Further, when used in a liquid form such as an emulsion and a wettable powder, it is suitably selected from a range of 0.1 ppm to 10,000 ppm, preferably 10 to 3,000 ppm.
[0101]
The compound according to the present invention is a plant disease caused by the fungi belonging to the algae fungi (Omycetes), ascomycetes (Ascomycetes), imperfect fungi (Deuteromycetes), alga fungi (Omycetes) and basidiomycetes (Basidiomycins). Can be controlled.
[0102]
Next, specific bacteria names are given as non-limiting examples. Pyricularia genus, for example, Pyricularia oryzae, Spherotheca genus, for example, Sphaerothea in genus, Benturia (for example, Venturia) Bacteria seedling fungus (Gibberella fujikuroi), Botrytis genus such as Botrytis cinerea, Alternaria genus such as Komatsuna black scab (Alternaria brasiczo ( hizoctonia solani), Pakushinia (Puccinia) genus, for example rust (Puccinia recondita), oxalic de Perot Roh Supora (Pseudoperonospora) genus, for example downy mildew (Pseudoperonospora cubensis).
[0103]
Furthermore, you may mix the compound of this invention with an insecticide, another fungicide, a herbicide, a plant growth regulator, a fertilizer, etc. as needed. Next, the preparation method will be specifically described with reference to typical preparation examples of the agricultural and horticultural fungicides of the present invention. In the following description, “%” indicates a weight percentage.
[0104]
Formulation Example 1 Powder
Compound (A-4) 2%, diatomaceous earth 5%, and Cree 93% were uniformly mixed and pulverized to obtain a powder.
[0105]
Formulation Example 2 Wetting agent
Compound (B-6) 50%, diatomaceous earth 45%, sodium dinaphthylmethane disulfonate 2%, and sodium lignin sulfonate 3% were uniformly mixed and ground to obtain a wettable powder.
[0106]
Formulation Example 3 Emulsion
30% of compound (C-29), 20% of cyclohexanone, 11% of polyoxyethylene alkylaryl ether, 4% of calcium alkylbenzenesulfonate and 35% of methylnaphthalene were uniformly dissolved to prepare an emulsion.
[0107]
Formulation Example 4 Granules
Compound (B-34) 5%, sodium lauryl alcohol sulfate 2%, sodium lignin sulfonate 5%, carboxymethyl cellulose 2% and clay 86% are mixed and ground uniformly. 20 parts by weight of water was added to 100 parts by weight of the mixture, kneaded, processed into granules of 14 to 32 mesh using an extrusion granulator, and dried to form granules.
[0108]
Next, the effect of the agricultural and horticultural fungicide of the present invention will be specifically described with reference to test examples. In the test, compounds described below described in JP-A-6-220004 were used as comparative drugs.
[0109]
Comparative agent: N- (1-cyano-1-cyclopropylethyl) -2- (2,4-dichlorophenyl) acetamide
[0110]
Test Example 1 Rice Blast Prevention Effect Test
About 15 seeds of rice seeds (variety: Aichi Asahi) were sown in 7 cm diameter clay pots and grown in a greenhouse for 2 to 3 weeks. A wet seedling prepared according to Formulation Example 2 was diluted with water so that the active ingredient concentration was 500 ppm on rice seedlings in which the fourth leaf was completely developed, and 10 ml was sprayed per pot. After air-drying, a conidial spore suspension of Pyricularia oryzae was spray-inoculated and immediately placed in a humid chamber at 25 ° C. for 24 hours. Thereafter, it was transferred to a greenhouse, and the number of lesions on the fourth leaf was examined 5 days after the inoculation. Table 26 to Table 28 show the results obtained by calculating the control value according to Equation 1 and evaluating according to the criteria in Table 25.
[0111]
[Expression 1]
[0112]
[Table 25]
[0113]
[Table 26]
[0114]
[Table 27]
[0115]
[Table 28]
[0116]
Test example 2 Rice blast water surface application test
Three seedlings of rice seedlings (variety: Aichi Asahi) in the 2 leaf stage were transplanted into 4 places each in 3 stems in a white ceramic pot with a diameter of 9 cm and grown in a greenhouse. In the third leaf stage, the granules prepared according to Formulation Example 4 were applied to the surface of the pot so that the active ingredient concentration was 300 g per 10 ares. When the 4th leaf of rice seedlings was fully developed, a conidial spore suspension of rice blast fungus (Pyricularia oryzae) was spray-inoculated and immediately left in a humid chamber at 25 ° C. for 24 hours. Thereafter, this rice seedling was transferred to a greenhouse to cause disease, and the number of lesions on the fourth leaf was examined 5 days after the inoculation. Table 29 shows the results obtained by calculating the control value according to Equation 1 and evaluating according to the criteria in Table 25.
[0117]
[Table 29]
[0118]
Test example 3 Apple black spot disease prevention effect test
Four apple seeds (variety: red jade) were sown in plastic pots with a diameter of 5.5 cm and grown in a greenhouse for 20 days. When the fourth leaf of the apple leaf was fully developed, the wettable powder prepared according to Formulation Example 2 was diluted with water so that the active ingredient concentration was 50 ppm, and 20 ml was sprayed per pot. After the chemical solution adhering to the apple seedling was dried, a spore suspension of Venturia inaequalis was spray-inoculated and immediately left in a humid chamber at 20 ° C. for 48 hours. Thereafter, apple seedlings were transferred to a greenhouse to cause disease, and the diseased area of each true leaf was investigated 14 days after inoculation. The disease severity was evaluated according to the criteria in Table 30, and the damage degree was calculated from Equation 2 and the control value was calculated from Equation 3 from the disease incidence and the number of corresponding leaves. The obtained control values were evaluated according to the criteria shown in Table 25, and the results are shown in Table 31.
[0119]
[Table 30]
[0120]
[Expression 2]
[0121]
[Equation 3]
[0122]
[Table 31]
[0123]
【The invention's effect】
The agricultural and horticultural fungicide of the present invention has a very high preventive effect against rice blast, apple black spot, and the like. In addition, the agricultural and horticultural fungicide of the present invention is excellent in penetrability and exhibits a very high control effect against rice blast as a water surface application agent.
Claims (6)
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