CN113234087A - 四降三萜类天然产物Solanoeclepin A结构类似物SMS-01 - Google Patents
四降三萜类天然产物Solanoeclepin A结构类似物SMS-01 Download PDFInfo
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- CN113234087A CN113234087A CN202110517549.8A CN202110517549A CN113234087A CN 113234087 A CN113234087 A CN 113234087A CN 202110517549 A CN202110517549 A CN 202110517549A CN 113234087 A CN113234087 A CN 113234087A
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- 229930014626 natural product Natural products 0.000 title claims abstract description 25
- RJGYDIIDNSNYIB-AVXUVGQDSA-N solanoeclepin a Chemical compound C([C@H]1[C@]23C[C@H](O)[C@]4(C3=O)C3=C(CC[C@]42C)[C@H](O)[C@]24O[C@@H](C(C4)=O)C(C)(C)C2=C(C3=O)OC)[C@H]1C(O)=O RJGYDIIDNSNYIB-AVXUVGQDSA-N 0.000 title claims description 11
- 150000001875 compounds Chemical class 0.000 claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 241001442497 Globodera rostochiensis Species 0.000 claims abstract description 17
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 13
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 13
- 150000003534 tetranortriterpenoids Chemical class 0.000 claims abstract description 13
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 239000003814 drug Substances 0.000 claims abstract description 6
- 238000005865 alkene metathesis reaction Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims abstract description 4
- 230000012447 hatching Effects 0.000 claims abstract description 4
- 230000006698 induction Effects 0.000 claims abstract description 4
- 150000002611 lead compounds Chemical class 0.000 claims abstract description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 15
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 claims description 12
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 12
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 11
- 238000006722 reduction reaction Methods 0.000 claims description 11
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 claims description 10
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 8
- 206010058467 Lung neoplasm malignant Diseases 0.000 claims description 8
- 206010027476 Metastases Diseases 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 8
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical group [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 8
- 125000004185 ester group Chemical group 0.000 claims description 8
- 201000005202 lung cancer Diseases 0.000 claims description 8
- 208000020816 lung neoplasm Diseases 0.000 claims description 8
- 230000009401 metastasis Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- -1 p-methoxybenzyl Chemical group 0.000 claims description 8
- 125000006239 protecting group Chemical group 0.000 claims description 8
- 239000007858 starting material Substances 0.000 claims description 8
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 8
- 238000001308 synthesis method Methods 0.000 claims description 8
- 125000000037 tert-butyldiphenylsilyl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1[Si]([H])([*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 5
- 230000003197 catalytic effect Effects 0.000 claims description 5
- HIGQPQRQIQDZMP-DHZHZOJOSA-N geranyl acetate Chemical compound CC(C)=CCC\C(C)=C\COC(C)=O HIGQPQRQIQDZMP-DHZHZOJOSA-N 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 239000006272 natural pesticide Substances 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 5
- GLGNXYJARSMNGJ-VKTIVEEGSA-N (1s,2s,3r,4r)-3-[[5-chloro-2-[(1-ethyl-6-methoxy-2-oxo-4,5-dihydro-3h-1-benzazepin-7-yl)amino]pyrimidin-4-yl]amino]bicyclo[2.2.1]hept-5-ene-2-carboxamide Chemical compound CCN1C(=O)CCCC2=C(OC)C(NC=3N=C(C(=CN=3)Cl)N[C@H]3[C@H]([C@@]4([H])C[C@@]3(C=C4)[H])C(N)=O)=CC=C21 GLGNXYJARSMNGJ-VKTIVEEGSA-N 0.000 claims description 4
- GHYOCDFICYLMRF-UTIIJYGPSA-N (2S,3R)-N-[(2S)-3-(cyclopenten-1-yl)-1-[(2R)-2-methyloxiran-2-yl]-1-oxopropan-2-yl]-3-hydroxy-3-(4-methoxyphenyl)-2-[[(2S)-2-[(2-morpholin-4-ylacetyl)amino]propanoyl]amino]propanamide Chemical compound C1(=CCCC1)C[C@@H](C(=O)[C@@]1(OC1)C)NC([C@H]([C@@H](C1=CC=C(C=C1)OC)O)NC([C@H](C)NC(CN1CCOCC1)=O)=O)=O GHYOCDFICYLMRF-UTIIJYGPSA-N 0.000 claims description 4
- QFLWZFQWSBQYPS-AWRAUJHKSA-N (3S)-3-[[(2S)-2-[[(2S)-2-[5-[(3aS,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]-3-methylbutanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-4-[1-bis(4-chlorophenoxy)phosphorylbutylamino]-4-oxobutanoic acid Chemical compound CCCC(NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@@H](NC(=O)CCCCC1SC[C@@H]2NC(=O)N[C@H]12)C(C)C)P(=O)(Oc1ccc(Cl)cc1)Oc1ccc(Cl)cc1 QFLWZFQWSBQYPS-AWRAUJHKSA-N 0.000 claims description 4
- 238000007239 Wittig reaction Methods 0.000 claims description 4
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 claims description 4
- 229940125904 compound 1 Drugs 0.000 claims description 4
- 229940125797 compound 12 Drugs 0.000 claims description 4
- 229940125758 compound 15 Drugs 0.000 claims description 4
- 229940125782 compound 2 Drugs 0.000 claims description 4
- 229940126214 compound 3 Drugs 0.000 claims description 4
- SHQSVMDWKBRBGB-UHFFFAOYSA-N cyclobutanone Chemical group O=C1CCC1 SHQSVMDWKBRBGB-UHFFFAOYSA-N 0.000 claims description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 4
- LWJROJCJINYWOX-UHFFFAOYSA-L mercury dichloride Chemical compound Cl[Hg]Cl LWJROJCJINYWOX-UHFFFAOYSA-L 0.000 claims description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
- BDUBTLFQHNYXPC-UHFFFAOYSA-N 3-methylbut-2-enoyl chloride Chemical compound CC(C)=CC(Cl)=O BDUBTLFQHNYXPC-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 3
- 229960002523 mercuric chloride Drugs 0.000 claims description 3
- UDYFLDICVHJSOY-UHFFFAOYSA-N sulfur trioxide pyridine complex Chemical compound O=S(=O)=O.C1=CC=NC=C1 UDYFLDICVHJSOY-UHFFFAOYSA-N 0.000 claims description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 3
- SZUVGFMDDVSKSI-WIFOCOSTSA-N (1s,2s,3s,5r)-1-(carboxymethyl)-3,5-bis[(4-phenoxyphenyl)methyl-propylcarbamoyl]cyclopentane-1,2-dicarboxylic acid Chemical compound O=C([C@@H]1[C@@H]([C@](CC(O)=O)([C@H](C(=O)N(CCC)CC=2C=CC(OC=3C=CC=CC=3)=CC=2)C1)C(O)=O)C(O)=O)N(CCC)CC(C=C1)=CC=C1OC1=CC=CC=C1 SZUVGFMDDVSKSI-WIFOCOSTSA-N 0.000 claims description 2
- ONBQEOIKXPHGMB-VBSBHUPXSA-N 1-[2-[(2s,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-4,6-dihydroxyphenyl]-3-(4-hydroxyphenyl)propan-1-one Chemical compound O[C@@H]1[C@H](O)[C@@H](CO)O[C@H]1OC1=CC(O)=CC(O)=C1C(=O)CCC1=CC=C(O)C=C1 ONBQEOIKXPHGMB-VBSBHUPXSA-N 0.000 claims description 2
- UNILWMWFPHPYOR-KXEYIPSPSA-M 1-[6-[2-[3-[3-[3-[2-[2-[3-[[2-[2-[[(2r)-1-[[2-[[(2r)-1-[3-[2-[2-[3-[[2-(2-amino-2-oxoethoxy)acetyl]amino]propoxy]ethoxy]ethoxy]propylamino]-3-hydroxy-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-3-[(2r)-2,3-di(hexadecanoyloxy)propyl]sulfanyl-1-oxopropan-2-yl Chemical compound O=C1C(SCCC(=O)NCCCOCCOCCOCCCNC(=O)COCC(=O)N[C@@H](CSC[C@@H](COC(=O)CCCCCCCCCCCCCCC)OC(=O)CCCCCCCCCCCCCCC)C(=O)NCC(=O)N[C@H](CO)C(=O)NCCCOCCOCCOCCCNC(=O)COCC(N)=O)CC(=O)N1CCNC(=O)CCCCCN\1C2=CC=C(S([O-])(=O)=O)C=C2CC/1=C/C=C/C=C/C1=[N+](CC)C2=CC=C(S([O-])(=O)=O)C=C2C1 UNILWMWFPHPYOR-KXEYIPSPSA-M 0.000 claims description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 2
- 238000006290 Diels-Alder intramolecular cycloaddition reaction Methods 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000006633 Ley oxidation reaction Methods 0.000 claims description 2
- 238000005684 Liebig rearrangement reaction Methods 0.000 claims description 2
- 238000007032 Staudinger Ketene cycloaddition reaction Methods 0.000 claims description 2
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims description 2
- 230000010933 acylation Effects 0.000 claims description 2
- 238000005917 acylation reaction Methods 0.000 claims description 2
- 150000001299 aldehydes Chemical class 0.000 claims description 2
- 238000005804 alkylation reaction Methods 0.000 claims description 2
- 238000006555 catalytic reaction Methods 0.000 claims description 2
- 229940125773 compound 10 Drugs 0.000 claims description 2
- 229940126543 compound 14 Drugs 0.000 claims description 2
- 229940126142 compound 16 Drugs 0.000 claims description 2
- 238000005888 cyclopropanation reaction Methods 0.000 claims description 2
- 238000006298 dechlorination reaction Methods 0.000 claims description 2
- 150000002148 esters Chemical group 0.000 claims description 2
- 238000005658 halogenation reaction Methods 0.000 claims description 2
- PYGSKMBEVAICCR-UHFFFAOYSA-N hexa-1,5-diene Chemical group C=CCCC=C PYGSKMBEVAICCR-UHFFFAOYSA-N 0.000 claims description 2
- 238000006197 hydroboration reaction Methods 0.000 claims description 2
- ZLVXBBHTMQJRSX-VMGNSXQWSA-N jdtic Chemical compound C1([C@]2(C)CCN(C[C@@H]2C)C[C@H](C(C)C)NC(=O)[C@@H]2NCC3=CC(O)=CC=C3C2)=CC=CC(O)=C1 ZLVXBBHTMQJRSX-VMGNSXQWSA-N 0.000 claims description 2
- 239000003446 ligand Substances 0.000 claims description 2
- QUXHCILOWRXCEO-UHFFFAOYSA-M magnesium;butane;chloride Chemical compound [Mg+2].[Cl-].CCC[CH2-] QUXHCILOWRXCEO-UHFFFAOYSA-M 0.000 claims description 2
- 230000000802 nitrating effect Effects 0.000 claims description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 2
- 238000006268 reductive amination reaction Methods 0.000 claims description 2
- 238000010992 reflux Methods 0.000 claims description 2
- 238000012827 research and development Methods 0.000 claims description 2
- CHLCPTJLUJHDBO-UHFFFAOYSA-M sodium;benzenesulfinate Chemical compound [Na+].[O-]S(=O)C1=CC=CC=C1 CHLCPTJLUJHDBO-UHFFFAOYSA-M 0.000 claims description 2
- 238000006467 substitution reaction Methods 0.000 claims description 2
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 238000010189 synthetic method Methods 0.000 claims 2
- 239000002994 raw material Substances 0.000 abstract description 6
- 241001489135 Globodera pallida Species 0.000 abstract description 3
- 230000002147 killing effect Effects 0.000 abstract description 3
- RCTYPNKXASFOBE-UHFFFAOYSA-M chloromercury Chemical compound [Hg]Cl RCTYPNKXASFOBE-UHFFFAOYSA-M 0.000 abstract description 2
- 238000005882 aldol condensation reaction Methods 0.000 abstract 1
- 229940079593 drug Drugs 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000002194 synthesizing effect Effects 0.000 abstract 1
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 12
- 238000001228 spectrum Methods 0.000 description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 10
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- 125000004122 cyclic group Chemical group 0.000 description 9
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 7
- 125000000524 functional group Chemical group 0.000 description 6
- 230000004071 biological effect Effects 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 235000019439 ethyl acetate Nutrition 0.000 description 5
- 239000003208 petroleum Substances 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- IJXJGQCXFSSHNL-QMMMGPOBSA-N (R)-(-)-2-Phenylglycinol Chemical compound OC[C@H](N)C1=CC=CC=C1 IJXJGQCXFSSHNL-QMMMGPOBSA-N 0.000 description 3
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- PMPVIKIVABFJJI-UHFFFAOYSA-N Cyclobutane Chemical compound C1CCC1 PMPVIKIVABFJJI-UHFFFAOYSA-N 0.000 description 3
- LVZWSLJZHVFIQJ-UHFFFAOYSA-N Cyclopropane Chemical compound C1CC1 LVZWSLJZHVFIQJ-UHFFFAOYSA-N 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical class [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 3
- 235000002595 Solanum tuberosum Nutrition 0.000 description 3
- 244000061456 Solanum tuberosum Species 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000004587 chromatography analysis Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
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- 239000000126 substance Substances 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- 239000007832 Na2SO4 Substances 0.000 description 2
- 239000012230 colorless oil Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 235000012015 potatoes Nutrition 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 241000208292 Solanaceae Species 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- NKLCNNUWBJBICK-UHFFFAOYSA-N dess–martin periodinane Chemical compound C1=CC=C2I(OC(=O)C)(OC(C)=O)(OC(C)=O)OC(=O)C2=C1 NKLCNNUWBJBICK-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical class [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/08—Bridged systems
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N55/00—Biocides, pest repellants or attractants, or plant growth regulators, containing organic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen and sulfur
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
- A61P35/04—Antineoplastic agents specific for metastasis
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1804—Compounds having Si-O-C linkages
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1804—Compounds having Si-O-C linkages
- C07F7/1872—Preparation; Treatments not provided for in C07F7/20
- C07F7/1892—Preparation; Treatments not provided for in C07F7/20 by reactions not provided for in C07F7/1876 - C07F7/1888
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
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Abstract
本发明涉及对造成土豆大量减产的土豆孢囊线虫(PCN;Globodera rostochiensis and G.pallida)的孵化过程具有极强的诱导活性(0.3 g/公顷土地)的四降三萜类天然产物solanoeclepin A的一种结构类似物SMS‑01的合成制备方法,关键合成步骤为:1.化合物SA‑01与SMS‑03的分子间Aldol缩合反应;2.Grubbs II代催化剂催化的分子内烯烃复分解反应构建七元环;3.氯化汞催化的还原脱砜基反应。本发明的制备方法新颖、原料易得、操作简单,产物的产率高,易于大量制备,可预期作为杀灭土豆孢囊线虫药物的候选先导化合物。
Description
技术领域
本发明涉及对导致全球范围土豆大量减产的土豆孢囊线虫(PCN;Globoderarostochiensis and G.pallida)具有极强杀灭活性的天然产物Solanoeclepin A的结构类似物SMS-01的合成方法及用途。
背景技术
四降三萜类天然产物Solanoeclepin A(图11)是由科学家Mulder于1986年从茄科植物马铃薯根部分离得到,具有非常独特的化学结构。而本发明中合成的结构类似物SMS-01 中,包含了Solanoeclepin A的主要结构特征:1.具有氧桥结构且多取代基的AB环系;2.含有双键、酮羰基的七元C环;3.立体化学与天然产物一致的环丙烷、环丁烷的GE环系,此部分也是该天然产物表现出生物活性的重要官能团片段(CN 105326825 A,抗肺癌转移)。基于天然来源有限的四降三萜类天然产物solanoeclepin A(图11)具有极其复杂的化学结构与重要的生物活性,潜在的农业和医疗上的应用价值,积极的开展其结构简化类似物的合成及发展新型的合成方法学和高效的合成策略具有重要意义。本发明通过以廉价易得的原料,发展了新颖的重要环系构建和官能团引入的方法,并且适宜于大量制备,成本低。为突破 solanoeclepin A的来源限制,寻找新型的抗肺癌转移以及发展天然农药奠定了重要的研究基础和物质获取方法。
发明内容
本发明的目的在于:发展简易可行且新颖的,对导致全球范围土豆大量减产的土豆孢囊线虫(PCN;Globodera rostochiensis and G.pallida)具有极强杀灭活性的四降三萜类天然产物solanoeclepin A结构简化类似物SMS-01的合成制备方法,它为开展该天然产物进一步相关的药物发现具有重要的潜在应用前景,且合成方法低成本、高效率。
本发明是这样实现的:
一种四降三萜类天然产物Solanoeclepin A结构类似物SMS-01,其化合物具有如式 (1)所示的结构:
式中,R1为烷基保护基,如苄基、对甲氧基苄基,或硅醚保护基,如 TBDPS、TBS、TIPS、TMS,或酯基如乙酸酯、苯甲酸酯、磺酸酯;R2为烷基保护基,如苄基、对甲氧基苄基,或硅醚保护基,如TBDPS、TBS、TIPS、TMS,或酯基如乙酸酯、苯甲酸酯、磺酸酯;R3为O或CH2;该结构类似物SMS-01对土豆孢囊线虫(PCN)的孵化过程具有极强诱导活性:0.3g/公顷土地。
所述的四降三萜类天然产物Solanoeclepin A结构类似物SMS-01的制备方法,其特征在于,包括以下步骤:
1.以商品可得的糠醛、3-甲基巴豆酰氯为起始原料,(R)-苯甘氨醇为手性辅基,按照Hiemstra,H.et.al.Chem.Commun.2000,1463.报道的合成方法,大量制备化合物 SMS-03;2.以香叶醇乙酸酯为起始原料,按照发明专利CN 111187186 A报道的合成方法,实现化合物SA-01的大量制备,再经过以下步骤:
A.化合物SA-01在正丁基锂的作用下,发生去质子化形成碳负离子,此时加入化合物SMS-03的四氢呋喃溶液,缓慢升至室温后得到化合物SMS-04;
B.再经二甲基亚砜、三氧化硫吡啶盐、三乙胺的氧化条件下将新生成的仲羟基氧化为羰基得到化合物SMS-05;
C.化合物SMS-05通过GRUBBS II代催化剂催化的分子内烯烃复分解反应实现七元环的合成得到化合物SA-06;
D.化合物SMS-06在氯化汞的催化作用下,与镁粉发生还原脱砜基反应,最终得到化合物SMS-01。
所述的Hiemstra,H.et.al.Chem.Commun.2000,1463.报道的合成方法是:以商品可得的糠醛、3-甲基巴豆酰氯为起始原料,(R)-苯甘氨醇为手性辅基经还原胺化、酰化等四步反应,得到化合物1;化合物1在130℃的回流条件下,发生正丁基氯化镁催化的分子内Diels-Alder反应,得到化合物2;化合物2通过手性辅基脱除、亚硝酸化、硼氢化氧化等反应得到化合物3;化合物3的仲羟基分别以苄基保护,再通过DIBAL-H还原、Ley氧化、 Wittig反应等5步反应得到了化合物SMS-03;合成路线如下:
所述的本申请人发明专利CN2020100354660报道的合成方法是:由香叶醇乙酸酯为起始原料按文献报道的Mori,K.;Nakazono,Y.Liebigs Ann.Chem.1988,167,大量制备化合物 6,再经过以下步骤,化合物6在NaI催化作用下与苯基亚磺酸钠发生取代反应得到化合物7;再经碳酸钾、甲醇条件下发生酯交换脱除乙酰基保护基得到化合物8;化合物8通过活性二氧化锰氧化烯丙醇为不饱和醛、HWE反应延长碳链得到化合物10,再经过量的DIBAL-H还原,得到双烯丙醇化合物11;化合物11在Charette手性配体的催化作用下发生化学选择性的不对称环丙烷化反应获得化合物12;化合物12以苄基进行保护来得到化合物13;采用Staudinger烯酮环加成反应构建环丁酮结构得到化合物14;14经过Zn/Cu 还原脱氯得到化合物15;化合物15通过Wittig反应将环丁酮转化为末端双键化合物16;再由正丁基锂拔掉砜基的α氢,然后通过氧化反应或卤代反应或烷基化反应引入烯丙基,最终得到化合物SA-01。合成路线如下所示:
本发明的合成路线如下:
a.n-BuLi,THF,-40℃ to rt;b.DMSO,SO··Py,Et3N,DCM;c.Mg dust,HgCl2(cat.),MeOH;d.Grubbs II(15%mmol),tol,refluxe.
其中,R1为烷基保护基,如苄基、对甲氧基苄基,或硅醚保护基,如TBDPS、TBS、TIPS、TMS,或酯基如乙酸酯、苯甲酸酯、磺酸酯;R2为烷基保护基,如苄基、对甲氧基苄基,或硅醚保护基,如TBDPS、TBS、TIPS、TMS,或酯基如乙酸酯、苯甲酸酯、磺酸酯;R3为O或CH2。
所述的四降三萜类天然产物Solanoeclepin A的结构类似物SMS-01的用途,作为抗土豆孢囊线虫药物的候选先导化合物,以进一步应用于新型的天然农药以及抗肺癌转移药物的研究开发。
本发明化合物SMS-01包含了Solanoeclepin A的主要结构特征:1.具有氧桥结构且多取代基的AB环系;2.含有双键、酮羰基的七元C环;3.立体化学与天然产物一致的环丙烷、环丁烷的GE环系,此部分也是该天然产物表现出生物活性的重要官能团片段(CN105326825 A,抗肺癌转移)。基于天然来源有限的四降三萜类天然产物solanoeclepin A具有极其复杂的化学结构与重要的生物活性,潜在的农业和医疗上的应用价值,积极的开展其结构简化类似物的合成及发展新型的合成方法学和高效的合成策略具有重要意义。本发明通过以廉价易得的原料,发展了新颖的重要环系构建和官能团引入的方法,同时,本发明中所涉及到的化学反应操作简单易行,原料合成便宜易得,环境友好,未使用昂贵的金属催化剂。为突破 solanoeclepin A的来源限制,寻找新型的抗肺癌转移以及发展天然农药奠定了重要的研究基础和物质获取方法。
附图说明
图1,2分别为化合物SA-01的氢谱与碳谱;
图3,4分别为化合物SMS-03的氢谱与碳谱;
图5,6分别为化合物SMS-05的氢谱与碳谱;
图7,8分别为化合物SMS-06的氢谱和碳谱;
图9,10分别为化合物SMS-01的氢谱和碳谱;
图11为天然产物Solanoeclepin A的结构式。
具体实施方式
下面通过实施例对本发明作进一步的描述。
四降三萜类天然产物solanoeclepin A(参见图11)结构简化类似物SMS-01,其化合物具有如式(1)所示的结构
式中,R1为烷基保护基,如苄基、对甲氧基苄基,或硅醚保护基,如 TBDPS、TBS、TIPS、TMS,或酯基如乙酸酯、苯甲酸酯、磺酸酯;R2为烷基保护基,如苄基、对甲氧基苄基,或硅醚保护基,如TBDPS、TBS、TIPS、TMS,或酯基如乙酸酯、苯甲酸酯、磺酸酯;R3为O或CH2;该结构类似物SMS-01对土豆孢囊线虫(PCN)的孵化过程具有极强诱导活性:0.3g/公顷土地。
本发明的合成路线:
1.化合物SMS-04与SMS-05的合成:
化合物SA-01SA-01(已知化合物,具体合成方法参照文献:Hiemstra,H.et.al.Chem.Commun.2000,1463.)(10.0g,22.0mmol)溶解于无水THF(200mL)中,-40℃下,加入n-BuLi(13.0mL,21.0mmol,1.6M in THF),继续搅拌反应5h,再将化合物 SA-01SA-01(已知化合物具体合成方法参照中国专利:CN202010035466.0)(3.9g,14.0 mmol)的无水THF(100mL)溶液缓慢滴加至反应体系,自然升至室温,继续反应8h。加入饱和NaCl(300mL)淬灭反应,浓缩除去大部分THF,CH2Cl2(300mL x 3)萃取,合并有机相,Na2SO4干燥,减压旋除溶剂,所得粗产物SMS-04。不需要纯化直接进行下一步氧化反应;
上一步所得产物SMS-04溶解于CH2Cl2(200mL)中,加入Dess-Martin reagent(12.0g,1.0mmol),反应混合物室温下继续搅拌1h。饱和Na2S2O3(100mL)与饱和NaHCO3(100 mL)淬灭反应,CH2Cl2(100mL x 3)萃取,合并有机相,NaHCO3(100mL x 3)洗涤,Na2SO4干燥,减压旋除溶剂。硅胶柱层析(petroleum ether/EtOAc,8:1)得化合物SMS-05(8.0 g 80%)。Rf=0.3;
1H NMR(400MHz,CDCl3)δ7.95(d,J=7.7Hz,2H),7.60(t,J=7.7Hz, 1H),7.49(t,J=7.7Hz,2H),7.39–7.23(m,10H),6.17(m,1H),5.67(m,1H), 5.19(dd,J=9.9,1.9Hz,1H),5.08–4.97(m,4H),4.89(d,J=1.8Hz,1H), 4.79–4.74(m,2H),4.52(m,2H),4.43(s,4H),4.03(d,J=5.9Hz,1H),3.90 (s,1H),3.58–3.38(m,2H),3.21(d,J=4.8Hz,1H),3.05(dd,J=9.9,7.7 Hz,1H),2.88–2.85(m,2H),2.36–2.22(m,2H),2.13–1.95(m,6H),1.91 –1.71(m,6H),1.15(d,J=6.3Hz,2H),1.00(s,3H),0.98(s,3H),0.89(s, 3H),0.64–0.54(m,1H),0.50(m,1H),0.47–0.38(m,1H).13C NMR(125MHz, CDCl3)δ195.22,150.50,139.71,139.64,138.78,138.20,132.10,132.01, 131.95,129.39,128.83,128.54,128.45,128.38,121.42,119.85,107.37,89.77, 88.74,75.24,74.38,73.83,72.21,71.69,58.79,58.71,48.01,40.74,40.36, 37.66,37.33,37.06,26.88,24.01,23.30,21.41,18.72,13.09.HRMS(ESI)m/z: calculated for C47H56O6S[M+H]+748.3821,found 748.3819.
2.化合物SMS-06的合成:
化合物SMS-05(4.0g,5.0mmol)溶解于无水甲苯(200mL)中,加入Grubbs II(45.0mg,0.5mmol),110℃加热回流反应10h。降至室温后,减压旋除溶剂。硅胶柱层析(petroleum ether/EtOAc,6:1)得无色油状物SMS-06(3.55g,95%)。Rf=0.3 (petroleumether/EtOAc,6:1);1H NMR(400MHz,CDCl3)δ7.79(d,J=7.5Hz,2H), 7.44–7.28(m,13H),5.81–5.74(m,1H),5.44–5.40(m,1H),4.93(d,J= 2.0Hz,1H),4.78(s,1H),4.56(d,J=3.0Hz,2H),4.46(d,J=2.0Hz,2H), 4.00(dd,J=6.8,1.9Hz,2H),3.96(s,1H),3.48(dd,J=10.2,6.3Hz,1H), 3.24(dd,J=10.2,7.3Hz,1H),2.63(dd,J=13.9,9.0Hz,1H),2.33(d,J= 14.7Hz,1H),2.24–2.09(m,4H),1.98–1.74(m,4H),1.06(s,6H),0.94(s, 3H),0.90–0.81(m,2H),0.65–0.61(m,1H),0.55–0.47(m,1H).13C NMR (125MHz,CDCl3)δ216.73,192.36,175.26,150.50,139.71,139.64,138.78, 132.10,131.95,129.39,128.83,128.54,128.45,128.38,127.98,122.75,107.37, 98.21,88.74,88.19,75.24,73.83,72.21,71.60,60.50,58.79,48.01,40.74, 37.81,37.66,37.11,37.06,26.69,24.01,23.30,21.41,16.55,12.26,1.78.HRMS (ESI)m/z:calculated for C45H52O6S[M+H]+720.3508,found 720.3511.
3.化合物SMS-01的合成:
化合物SMS-06(5.0g,70.0mmol)溶解于无水MeOH(200mL)中,0℃下,加入Mg 粉(8.5g,350.0mmol),HgCl2(200.0mg,0.7mmol),产生大量气体,室温下继续反应 5h。以硅藻土减压抽滤,甲醇洗涤(5mL x 3),减压旋除溶剂。硅胶柱层析(petroleum ether/EtOAc,15:1)得无色油状物SMS-01(3.0g,90%)。Rf=0.7(petroleum ether/EtOAc,8:1);1H NMR(400MHz,CDCl3)δ7.34–7.27(m,10H),5.69(m, 1H),5.34(m,1H),4.90(s,1H),4.75(s,1H),4.49(m,1H),4.24–4.11(m, 1H),4.06(s,1H),3.46(dd,J=10.1,6.2Hz,1H),3.20–3.13(m,2H),2.89 (m,1H),2.36–2.10(m,4H),2.00–1.72(m,3H),1.43–1.39(m,2H),1.10 (s,3H),1.08(s,3H),1.02(s,3H),0.86(m,2H),0.62(m,1H),0.55–0.47(m, 1H).13C NMR(125MHz,CDCl3)δ210.26,190.88,150.50,139.71,138.78,132.81, 128.83,128.54,128.45,128.38,124.78,107.37,98.13,88.74,87.09,75.24, 73.83,72.21,71.60,60.17,58.79,48.01,46.59,40.59,39.50,37.11,36.79, 32.53,26.75,24.01,23.30,21.41,16.55,12.26,-19.56.HRMS(ESI)m/z: calculated for C39H48O4[M+H]+580.3676,found580.3669。各谱图参见图1-10。
通过采用上述的技术方案,以商品可得的糠醛、3-甲基巴豆酰氯为起始原料,(R)-苯甘氨醇为手性辅基,按照Hiemstra,H.et.al.Chem.Commun.2000,1463.报道的合成方法,大量制备化合物SMS-03;以香叶醇乙酸酯为起始原料,按照发明专利CN 111187186 A 报道的合成方法,实现化合物SA-01的大量制备,再经过以下步骤:化合物SA-01在正丁基锂的作用下,发生去质子化形成碳负离子,此时加入化合物SMS-03的四氢呋喃溶液,缓慢升至室温后得到化合物SMS-04;再经二甲基亚砜、三氧化硫吡啶盐、三乙胺的氧化条件下将新生成的仲羟基氧化为羰基得到化合物SMS-05;化合物SMS-05通过GRUBBS II代催化剂催化的分子内烯烃复分解反应实现七元环的合成得到化合物SA-06;化合物SMS-06在氯化汞的催化作用下,与镁粉发生还原脱砜基反应,最终得到化合物SMS-01。
经检验,本发明合成的四降三萜类天然产物Solanoeclepin A的结构简化类似物SMS- 01包含了的主要结构特征:1.具有氧桥结构且多取代基的AB环系;2.含有双键、酮羰基的七元C环;3.立体化学与天然产物一致的环丙烷、环丁烷的GE环系,此部分也是该天然产物表现出生物活性的重要官能团片段(CN 105326825 A,抗肺癌转移)。为突破solanoeclepin A的来源限制,寻找新型的抗肺癌转移以及发展天然农药奠定了重要的研究基础和物质获取方法。
本发明中通过以廉价易得的原料,发展了新颖的重要环系构建和官能团引入的方法,同时,所涉及到的化学反应操作简单易行,原料合成便宜易得,环境友好,未使用昂贵的金属催化剂。
Claims (4)
2.如权利要求1所述的四降三萜类天然产物Solanoeclepin A的结构类似物SMS-01的制备方法,其特征在于:包括以下步骤:1.以商品可得的糠醛、3-甲基巴豆酰氯为起始原料,(R)-苯甘氨醇为手性辅基,按照Hiemstra, H. et. al.Chem. Commun.2000, 1463.报道的合成方法,大量制备化合物SMS-03;2.以香叶醇乙酸酯为起始原料,按照发明专利CN111187186 A 的报道大量获得化合物SA-01,再经过以下步骤:
A. 化合物SA-01在正丁基锂的作用下,发生去质子化形成碳负离子,此时加入化合物SMS-03的四氢呋喃溶液,缓慢升至室温后得到化合物SMS-04;
B.再经二甲基亚砜、三氧化硫吡啶盐、三乙胺的氧化条件下将新生成的仲羟基氧化为羰基得到化合物SMS-05;
C. 化合物 SMS-05通过GRUBBS II代催化剂催化的分子内烯烃复分解反应实现七元环的合成得到化合物SA-06;
D. 化合物SMS-06在氯化汞的催化作用下,与镁粉发生还原脱砜基反应,最终得到化合物SMS-01;
所述的Hiemstra, H. et. al.Chem. Commun. 2000, 1463.报道的合成方法是:以商品可得的糠醛、3-甲基巴豆酰氯为起始原料,(R)-苯甘氨醇为手性辅基经还原胺化、酰化等四步反应,得到化合物1;化合物1在130 ℃的回流条件下,发生正丁基氯化镁催化的分子内Diels-Alder反应,得到化合物2;化合物2通过手性辅基脱除、亚硝酸化、硼氢化氧化等反应得到化合物3;化合物3的仲羟基分别以苄基保护,再通过DIBAL-H还原、Ley氧化、Wittig反应得到化合物SMS-03;合成路线如下:
所述的本申请人发明专利CN2020100354660报道的合成方法是:由香叶醇乙酸酯为起始原料按文献报道的Mori, K.; Nakazono, Y. Liebigs Ann. Chem. 1988, 167,大量制备化合物6,再经过以下步骤,化合物 6在 NaI 催化作用下与苯基亚磺酸钠发生取代反应得到化合物 7;再经碳酸钾、甲醇条件下发生酯交换脱除乙酰基保护基得到化合物8;化合物8通过活性二氧化锰氧化烯丙醇为不饱和醛、 HWE反应延长碳链得到化合物 10,再经过量的 DIBAL-H 还原,得到双烯丙醇化合物11;化合物11在Charette手性配体的催化作用下发生化学选择性的不对称环丙烷化反应获得化合物12; 化合物12以苄基进行保护来得到化合物13;采用Staudinger 烯酮环加成反应构建环丁酮结构得到化合物14;14经过 Zn/Cu还原脱氯得到化合物15;化合物15通过 Wittig 反应将环丁酮转化为末端双键化合物 16;再由正丁基锂拔掉砜基的α氢,然后通过氧化反应或卤代反应或烷基化反应引入烯丙基,最终得到化合物SA-01; 合成路线如下:
4.如权利要求1所述的四降三萜类天然产物Solanoeclepin A的结构类似物SMS-01的用途:其特征在于:作为抗土豆孢囊线虫药物的候选先导化合物,以进一步应用于新型的天然农药以及抗肺癌转移药物的研究开发。
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CN105287487A (zh) * | 2015-11-18 | 2016-02-03 | 淄博齐鼎立专利信息咨询有限公司 | Solanoeclepin A在制备治疗白血病药物中的应用 |
CN105326825A (zh) * | 2015-11-15 | 2016-02-17 | 淄博齐鼎立专利信息咨询有限公司 | Solanoeclepin A在制备抗肺癌转移药物中的应用 |
US20160309717A1 (en) * | 2013-12-19 | 2016-10-27 | Bayer Cropscience Aktiengesellschaft | Compounds with Nematicidal Activity |
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CN105326825A (zh) * | 2015-11-15 | 2016-02-17 | 淄博齐鼎立专利信息咨询有限公司 | Solanoeclepin A在制备抗肺癌转移药物中的应用 |
CN105287487A (zh) * | 2015-11-18 | 2016-02-03 | 淄博齐鼎立专利信息咨询有限公司 | Solanoeclepin A在制备治疗白血病药物中的应用 |
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