KR101702870B1 - (-)-피니디논 합성방법 - Google Patents
(-)-피니디논 합성방법 Download PDFInfo
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- KR101702870B1 KR101702870B1 KR1020150122391A KR20150122391A KR101702870B1 KR 101702870 B1 KR101702870 B1 KR 101702870B1 KR 1020150122391 A KR1020150122391 A KR 1020150122391A KR 20150122391 A KR20150122391 A KR 20150122391A KR 101702870 B1 KR101702870 B1 KR 101702870B1
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- methyl
- benzyl
- formula
- dithiolan
- carbamate
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- PLVQSRXCDPEDHN-VXNVDRBHSA-N (-)-pinidinone Chemical compound C[C@@H]1CCC[C@H](CC(C)=O)N1 PLVQSRXCDPEDHN-VXNVDRBHSA-N 0.000 title abstract description 9
- PLVQSRXCDPEDHN-UHFFFAOYSA-N (+)-6-Epipinidinone Natural products CC1CCCC(CC(C)=O)N1 PLVQSRXCDPEDHN-UHFFFAOYSA-N 0.000 title abstract description 8
- 238000010189 synthetic method Methods 0.000 title description 2
- 230000000707 stereoselective effect Effects 0.000 claims abstract description 11
- BHELZAPQIKSEDF-UHFFFAOYSA-N allyl bromide Chemical compound BrCC=C BHELZAPQIKSEDF-UHFFFAOYSA-N 0.000 claims abstract description 9
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052738 indium Inorganic materials 0.000 claims abstract description 8
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims abstract description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 47
- -1 pent-4-en-2-yl Chemical group 0.000 claims description 27
- 235000019439 ethyl acetate Nutrition 0.000 claims description 23
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 21
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 16
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 15
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-dimethylpyridine Chemical compound CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000012280 lithium aluminium hydride Substances 0.000 claims description 8
- LFILDSDQMSCNBV-LURJTMIESA-N propane-2-sulfinamide Chemical compound CC(C)[S@@](N)=O LFILDSDQMSCNBV-LURJTMIESA-N 0.000 claims description 7
- VYMPLPIFKRHAAC-UHFFFAOYSA-N 1,2-ethanedithiol Chemical compound SCCS VYMPLPIFKRHAAC-UHFFFAOYSA-N 0.000 claims description 6
- JRNVZBWKYDBUCA-UHFFFAOYSA-N N-Chlorosuccinimide Substances ClN1C(=O)CCC1=O JRNVZBWKYDBUCA-UHFFFAOYSA-N 0.000 claims description 6
- 125000001584 benzyloxycarbonyl group Chemical group C(=O)(OCC1=CC=CC=C1)* 0.000 claims description 6
- VRYRNRGAHVJQOR-UHFFFAOYSA-N ethyl 2-(2-methyl-1,3-dithiolan-2-yl)acetate Chemical compound CCOC(=O)CC1(C)SCCS1 VRYRNRGAHVJQOR-UHFFFAOYSA-N 0.000 claims description 6
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 5
- 150000001408 amides Chemical class 0.000 claims description 5
- HSDAJNMJOMSNEV-UHFFFAOYSA-N benzyl chloroformate Chemical compound ClC(=O)OCC1=CC=CC=C1 HSDAJNMJOMSNEV-UHFFFAOYSA-N 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 229910052763 palladium Inorganic materials 0.000 claims description 5
- MMEKNZPZDLIAJD-UHFFFAOYSA-N 2-(2-methyl-1,3-dithiolan-2-yl)ethanol Chemical compound OCCC1(C)SCCS1 MMEKNZPZDLIAJD-UHFFFAOYSA-N 0.000 claims description 4
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- FCDPQMAOJARMTG-UHFFFAOYSA-M benzylidene-[1,3-bis(2,4,6-trimethylphenyl)imidazolidin-2-ylidene]-dichlororuthenium;tricyclohexylphosphanium Chemical compound C1CCCCC1[PH+](C1CCCCC1)C1CCCCC1.CC1=CC(C)=CC(C)=C1N(CCN1C=2C(=CC(C)=CC=2C)C)C1=[Ru](Cl)(Cl)=CC1=CC=CC=C1 FCDPQMAOJARMTG-UHFFFAOYSA-M 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- XWKFPIODWVPXLX-UHFFFAOYSA-N 2-methyl-5-methylpyridine Natural products CC1=CC=C(C)N=C1 XWKFPIODWVPXLX-UHFFFAOYSA-N 0.000 claims description 3
- 101710134784 Agnoprotein Proteins 0.000 claims description 3
- 239000012298 atmosphere Substances 0.000 claims description 3
- 239000003426 co-catalyst Substances 0.000 claims description 3
- 238000007327 hydrogenolysis reaction Methods 0.000 claims description 3
- FIYYMXYOBLWYQO-UHFFFAOYSA-N ortho-iodylbenzoic acid Chemical compound OC(=O)C1=CC=CC=C1I(=O)=O FIYYMXYOBLWYQO-UHFFFAOYSA-N 0.000 claims description 3
- BDXURHBSIJAKPZ-UHFFFAOYSA-N 2-(2-methyl-1,3-dithiolan-2-yl)acetaldehyde Chemical compound O=CCC1(C)SCCS1 BDXURHBSIJAKPZ-UHFFFAOYSA-N 0.000 claims description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 2
- 108091029845 Aminoallyl nucleotide Proteins 0.000 claims description 2
- 238000005576 amination reaction Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- VTGOHKSTWXHQJK-UHFFFAOYSA-N pyrimidin-2-ol Chemical compound OC1=NC=CC=N1 VTGOHKSTWXHQJK-UHFFFAOYSA-N 0.000 claims description 2
- 230000002829 reductive effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 150000003053 piperidines Chemical class 0.000 abstract description 7
- CESUXLKAADQNTB-ZETCQYMHSA-N 2-methylpropane-2-sulfinamide Chemical compound CC(C)(C)[S@@](N)=O CESUXLKAADQNTB-ZETCQYMHSA-N 0.000 abstract description 6
- 229930000732 piperidine alkaloid Natural products 0.000 abstract description 5
- 238000006467 substitution reaction Methods 0.000 abstract description 5
- 125000000524 functional group Chemical group 0.000 abstract description 3
- 238000001308 synthesis method Methods 0.000 abstract description 3
- 150000001336 alkenes Chemical class 0.000 abstract 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 abstract 1
- 230000000977 initiatory effect Effects 0.000 abstract 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 abstract 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 39
- 150000001875 compounds Chemical class 0.000 description 35
- 238000005481 NMR spectroscopy Methods 0.000 description 17
- 239000000243 solution Substances 0.000 description 15
- 239000000203 mixture Substances 0.000 description 12
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 229940125898 compound 5 Drugs 0.000 description 7
- 238000002451 electron ionisation mass spectrometry Methods 0.000 description 7
- 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 description 6
- 229940093858 ethyl acetoacetate Drugs 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000004440 column chromatography Methods 0.000 description 5
- CARJCVDELAMAEJ-UHFFFAOYSA-N 2-methyl-1,3-dithiolane Chemical compound CC1SCCS1 CARJCVDELAMAEJ-UHFFFAOYSA-N 0.000 description 4
- 239000012267 brine Substances 0.000 description 4
- 229940125773 compound 10 Drugs 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 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 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241000462639 Epilachna varivestis Species 0.000 description 3
- 241000218594 Picea pungens Species 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000006293 aldehyde allylation reaction Methods 0.000 description 3
- 229930013930 alkaloid Natural products 0.000 description 3
- FUSUHKVFWTUUBE-UHFFFAOYSA-N buten-2-one Chemical compound CC(=O)C=C FUSUHKVFWTUUBE-UHFFFAOYSA-N 0.000 description 3
- 229940125904 compound 1 Drugs 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 2
- 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 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 241000550745 Cryptolaemus montrouzieri Species 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N deuterated chloroform Substances [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 2
- 229930014626 natural product Natural products 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 238000005580 one pot reaction Methods 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N tetrahydropyridine hydrochloride Natural products C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- BHBZNQCZKUGKCJ-BDAKNGLRSA-N (+)-dihydropinidine Chemical compound CCC[C@H]1CCC[C@@H](C)N1 BHBZNQCZKUGKCJ-BDAKNGLRSA-N 0.000 description 1
- DVJHWTLBEYCZJZ-IWSPIJDZSA-N (2r)-1-[(2r,6r)-6-methylpiperidin-2-yl]propan-2-ol Chemical compound C[C@@H](O)C[C@H]1CCC[C@@H](C)N1 DVJHWTLBEYCZJZ-IWSPIJDZSA-N 0.000 description 1
- IMLSAISZLJGWPP-UHFFFAOYSA-N 1,3-dithiolane Chemical compound C1CSCS1 IMLSAISZLJGWPP-UHFFFAOYSA-N 0.000 description 1
- WORJRXHJTUTINR-UHFFFAOYSA-N 1,4-dioxane;hydron;chloride Chemical compound Cl.C1COCCO1 WORJRXHJTUTINR-UHFFFAOYSA-N 0.000 description 1
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- ORVCATCRRUXRCE-UHFFFAOYSA-N 2-iodooxybenzoic acid Chemical compound OC(=O)C1=CC=CC=C1OI ORVCATCRRUXRCE-UHFFFAOYSA-N 0.000 description 1
- 241000239290 Araneae Species 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 241000254173 Coleoptera Species 0.000 description 1
- 208000030814 Eating disease Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 208000019454 Feeding and Eating disease Diseases 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241000257303 Hymenoptera Species 0.000 description 1
- 229910010082 LiAlH Inorganic materials 0.000 description 1
- 239000007832 Na2SO4 Substances 0.000 description 1
- 241000218657 Picea Species 0.000 description 1
- DVJHWTLBEYCZJZ-UHFFFAOYSA-N Pinidinol Natural products CC(O)CC1CCCC(C)N1 DVJHWTLBEYCZJZ-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical class [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000000746 allylic group Chemical group 0.000 description 1
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N alpha-ketodiacetal Natural products O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 238000011914 asymmetric synthesis Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000012230 colorless oil Substances 0.000 description 1
- 229940125782 compound 2 Drugs 0.000 description 1
- 229940126214 compound 3 Drugs 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010511 deprotection reaction Methods 0.000 description 1
- 235000014632 disordered eating Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 210000000087 hemolymph Anatomy 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- AICOOMRHRUFYCM-ZRRPKQBOSA-N oxazine, 1 Chemical compound C([C@@H]1[C@H](C(C[C@]2(C)[C@@H]([C@H](C)N(C)C)[C@H](O)C[C@]21C)=O)CC1=CC2)C[C@H]1[C@@]1(C)[C@H]2N=C(C(C)C)OC1 AICOOMRHRUFYCM-ZRRPKQBOSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
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- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
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- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000011875 stereoselective allylation reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- CESUXLKAADQNTB-UHFFFAOYSA-N tert-butanesulfinamide Chemical compound CC(C)(C)S(N)=O CESUXLKAADQNTB-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
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Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/08—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
Description
도 2는 화합물 1의 역합성을 나타내는 화학반응식이다.
도 3은 본 발명의 (-)-피니디논 합성방법을 도시한 화학반응식이다. 시약과 반응조건: a) 1,2-다이티오에탄 (1,2-dithioethane), BF3.OEt2, CH2Cl2 , 상온, 20분, 96%; b) LiAlH4, 무수 THF, 0 ℃-상온, 3h, 92%; c) IBX, 무수 DMSO, 상온, 2h, 96%; d)(S)-N-tert-부탄설핀아마이드, In, Ti(OEt)4, THF, 25 ℃, 1h, 이후 알릴 브로마이드, 60 ℃, 5h, 84%, dr 97:3; e) i) 4N HCl 1,4-다이옥산 용액, MeOH, 0 ℃-상온, 1h, ⅱ) 50% 수용성 K2CO3, 벤질 클로로포메이트, 1,4-다이옥산, 상온, 30분, 82% f) N-클로로석신이미드, AgNO3, CH3CN/H2O (4/1), 상온, 1h, 78%; g) 3-부텐-2-온, 그럽스 2세대 촉매 (Grubbs ’ second generation catalyst) (10 mmol%), Ti(O i Pr)4(10 mmol%), CH2Cl2, 환류, 6h, 92%; (h) 10% Pd/C, EtOAc, 상온, 오버나잇, 74%.
Claims (1)
- 화학식 8로 표시되는 에틸 아세토아세테이트를 BF3.OEt3 존재 하에서 1,2-에탄다이티올 (1,2-ethanedithiol)의 CH2Cl2 용액으로 처리하여 화학식 9로 표시되는 에틸 2-(2-메틸-1,3-다이티올란-2-일)아세테이트 {Ethyl 2-(2-methyl-1,3-dithiolan-2-yl)acetate}를 얻는 단계;
에틸 2-(2-메틸-1,3-다이티올란-2-일)아세테이트 에스테르기를 LAH (lithium aluminium hydride)로 환원하여 화학식 10으로 표시되는 2-(2-메틸-1,3-다이티올란-2-일)에탄올 {2-(2-Methyl-1,3-dithiolan-2-yl)ethanol}을 얻는 단계;
얻어진 2-(2-메틸-1,3-다이티올란-2-일)에탄올을 IBX (2-iodoxybenzoic acid)의 DMSO 용액으로 산화하여 화학식 7로 표시되는 2-(2-메틸-1,3-다이티올란-2-일)아세트알데하이드 {2-(2-Methyl-1,3-dithiolan-2-yl)acetaldehyde}를 얻는 단계;
2-(2-메틸-1,3-다이티올란-2-일)아세트알데하이드를 (S)-tert-부탄설핀아마이드, 알릴 브로마이드 및 인듐으로 원팟 입체선택적 α-아미노알릴화하여 화학식 6으로 표시되는 (S)-2-메틸-N-((R)-1-(2-메틸-1,3-다이티올란-2-일)펜트-4-엔-2-일)프로판-2-설핀아마이드 {(S)-2-Methyl-N-((R)-1-(2-methyl-1,3-dithiolan-2-yl)pent-4-en-2-yl)propane-2-sulfinamide}를 얻는 단계;
(S)-2-메틸-N-((R)-1-(2-메틸-1,3-다이티올란-2-일)펜트-4-엔-2-일)프로판-2-설핀아마이드를 무수 MeOH 내에서 4N HCl의 1,4-다이옥산 용액으로 처리한 후 50% 수용성 Na2CO3 하에서 벤질 클로로포메이트를 가하여 화학식 11로 표시되는 (R)-벤질 (1-(2-메틸-1,3-다이티올란-2-일)펜트-4-엔-2-일)카바메이트 {(R)-Benzyl (1-(2-methyl-1,3-dithiolan-2-yl)pent-4-en-2-yl)carbamate}를 얻는 단계;
(R)-벤질 (1-(2-메틸-1,3-다이티올란-2-일)펜트-4-엔-2-일)카바메이트를 상온에서 80% 수용성 CH3CN 내에서 N-클로로석신이미드, AgNO3, 2,6-루티딘을 가하고 교반하여 화학식 5로 표시되는 (R)-벤질 (6-옥소헵트-1-엔-4-일)카바메이트 {(R)-Benzyl (6-oxohept-1-en-4-yl)carbamate}를 얻는 단계;
환류 조건 하에서 2세대 그럽스 촉매와 Ti(O i Pr)4 보조촉매를 이용하여 (R)-벤질 (6-옥소헵트-1-엔-4-일)카바메이트를 CH2Cl2 내에서 3-부텐-2-온과 여섯 시간 이상 반응시키고 완결하여 화학식 4로 표시되는 (R,E)-벤질 (2,8-다이옥소논-6-엔-4-일)카바메이트 {(R,E)-Benzyl (2,8-dioxonon-6-en-4-yl)carbamate}를 얻는 단계; 및
(R,E)-벤질 (2,8-다이옥소논-6-엔-4-일)카바메이트에 대하여 10% Pd/C의 EtOAc 용액을 이용하여 수소 분위기 하에서 Cbz 기의 원팟 수소화 분해, 이중결합 환원 및 환원 아미노화를 수행하여 (-)-피니디논을 얻는 단계;를 포함하는 (-)-피니디논 합성방법.
<화학식 8>
<화학식 9>
<화학식 10>
<화학식 7>
<화학식 6>
<화학식 11>
<화학식 5>
<화학식 4>
<화학식 1>
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