专利号:US-6133018-A 优先权日:1997-06-02 标 题 :Enzymatic synthesis of chiral amines using -2-amino propane as amine donor 发明人:WU WEI; BHATIA MOHIT B; LEWIS CRAIG M; LANG WEI; WANG ALICE L; MATCHAM GEORGE W 权利人:CELGRO 摘要:2-Aminopropane is used as the amine donor in the stereoselective synthesis of a chiral amine from a ketone with a transaminase. In a typical embodiment, (S)-1-methoxy-2-aminopropane is prepared by bringing methoxyacetone into contact with a transaminase in the presence of 2-aminopropane as an amine donor until a substantial amount of methoxyacetone is converted to (S)-1-methoxy-2-aminopropane and 2-aminopropane is converted to acetone. In a second embodiment, L-alanine is prepared by bringing pyruvic acid into contact with a transaminase in the presence of 2-aminopropane as an amine donor.
专利号:US-8932838-B2 优先权日:2010-06-17 标 题 :Biocatalysts and methods for the synthesis of (S)-3-(1-aminoethyl)-phenol 发明人:CABIROL FABIEN LOUIS; GOHEL ANUPAM; OH SEONG HO; SMITH DEREK J; WONG BRIAN; LALONDE JAMES J 权利人:CODEXIS INC 摘要:The present disclosure provides engineered transaminase polypeptides having improved properties as compared to naturally occurring transaminases including the ability of converting the substrate, 3′-hydroxyacetophenone to (S)-3-(1-aminoethyl)-phenol in enantiomeric excess and high percentage conversion. Also provided are polynucleotides encoding the engineered transaminases, host cells capable of expressing the engineered transaminases, and methods of using the engineered transaminases to synthesize (S)-3-(1-aminoethyl)-phenol and related compounds useful in the production of active pharmaceutical ingredients.
专利号:US-8932836-B2 优先权日:2010-08-16 标 题:Biocatalysts and methods for the synthesis of (1R,2R)-2-(3,4-dimethoxyphenethoxy)cyclohexanamine 发明人:LIMANTO JOHN; BEUTNER GREGORY; GRAU BRENDAN; JANEY JACOB; KLAPARS ARTIS; ASHLEY ERIC R; STROTMAN HALLENA R; TRUPPO MATTHEW D; HUGHES GREGORY; CABIROL FABIEN; GOHEL ANUPAM; COLLIER STEVEN J; LIANG JACK; MOCK MARISSA; MUNDORFF EMILY; NOVICK SCOTT; SMITH DEREK 权利人:LIMANTO JOHN; BEUTNER GREGORY; GRAU BRENDAN; JANEY JACOB; KLAPARS ARTIS; ASHLEY ERIC R; STROTMAN HALLENA R; TRUPPO MATTHEW D; HUGHES GREGORY; CABIROL FABIEN; GOHEL ANUPAM; COLLIER STEVEN J; LIANG JACK; MOCK MARISSA; MUNDORFF EMILY; NOVICK SCOTT; SMITH DEREK; CODEXIS INC 摘要:The disclosure provides transaminase polypeptides capable of converting the substrate, 2-(3,4-dimethoxyphenethoxy)cyclohexanone to the trans diastereomer product (1R,2R)-2-(3,4-dimethoxyphenethoxy)cyclohexanamine in at least a 2:1 diastereomeric ratio relative to the cis diastereomer (1R,2S)-2-(3,4-dimethoxyphenethoxy)cyclohexanamine. The disclosure also provides polynucleotides, vectors, host cells, and methods of making and using the transaminase polypeptides in processes for preparing (1R,2R)-2-(3,4-dimethoxyphenethoxy)cyclohexanamine and its analogs, which can product compounds can be further used to prepare the aminocyclohexylether compound, (3R)-1-[(1R,2R)-2-[2-(3,4-dimethoxyphenyl)ethoxy]cyclohexyl]pyrrolidin-3-ol, which is an ion channel blocker.
专利号:US-9624478-B2 优先权日:2011-09-08 标题:Biocatalysts and methods for the synthesis of substituted lactams 发明人:CABIROL FABIEN LOUIS; CHEN HAIBIN; GOHEL ANUPAM; SALIM PAULINA ELENA; SMITH DEREK J; JANEY JACOB; KOSJEK BIRGIT; TANG WENG LIN; HSIEH HELEN; PHAM SON Q 权利人:CODEXIS INC 摘要:The present disclosure relates to transaminase polypeptides capable of aminating a dicarbonyl substrate, and polynucleotides, vectors, host cells, and methods of making and using the transaminase polypeptides.
专利号:US-2006287397-A1 优先权日:2002-04-26 标 题:Dl-hydroxy-alkyl-phenylamides having anticonvulsive activity 发明人:MEZA TOLEDO SERGIO E 权利人:MEZA TOLEDO SERGIO E 摘要:New anticonvulsant compounds were synthesized and they include the compounds: DL-2-hydroxy-2-(3′,5′-bistrifluoromethylphenyl)butyramide, DL-2-hydroxy-2-(4′-trifluoromethylphenyl)butyramide, DL-2-hydroxy-2-(3′,4′-dichlorophenyl)butyramide, DL-2-hydroxy-2-(3′-bromophenyl)butyramide, DL-2-hydroxy-2-(4′-bromophenyl)butyramide, DL-2-hydroxy-2-(3′-nitrophenyl)butyramide, DL-3-hydroxy-3-(3′,4′-dichlorophenyl)pentanamide, DL-3-hydroxy-3-(4′-bromophenyl)pentanamide, DL-4-hydroxy-4-(3′,4′-dichlorophenyl) hexanamide and DL-4-hydroxy-4-(4′-bromophenyl)hexanamide. They have a significant anticonvulsant activity against pentylenetetrazol-induced seizures as well as unexpected differences in anticonvulsant activity respect those of the non-halogenated compounds. The invention further provides methods for the synthesis of the DL-hydroxy-alkyl-phenyl amides as exemplified in the examples.
专利号:US-2017191043-A1 优先权日:2011-09-08 标题 :Biocatalysts and methods for the synthesis of substituted lactams