Process for the enzymatic separation of enantiomers of racemic 2-oxotricyclo-2,2,1,03,5-heptan-7-carboxylic acids and esters thereof

Verbindungen der Formel I in denen R¹ die genannten Bedeutungen hat, lassen sich in isomerenreiner Form aus Enantiomeren-Gemischen oder racemischen Gemischen gewinnen, indem man die Verbindung der Formel I in Gegenwart einer Lipase oder Esterase aus Schweineleber, Schweinepankreas, Rinderpankreas od...

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Main Authors HOLLA, WOLFGANG, BECK, GERHARD
Format Patent
LanguageEnglish
French
German
Published 01.05.1996
Edition6
Subjects
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Abstract Verbindungen der Formel I in denen R¹ die genannten Bedeutungen hat, lassen sich in isomerenreiner Form aus Enantiomeren-Gemischen oder racemischen Gemischen gewinnen, indem man die Verbindung der Formel I in Gegenwart einer Lipase oder Esterase aus Schweineleber, Schweinepankreas, Rinderpankreas oder aus Mikroorganismen wie Candida, Pseudomonas, Mucor, Rhizopus und Aspergillus oder Proteasen aus Bacillus in Gegenwart von Wasser und gegebenenfalls einem Cosolvens umsetzt und die in der erhaltenen Lösung vorliegenden Ester und Säuren voneinander trennt. Process for enzymic resolution (racemate or enantiomer sepn.) of enantiomer or racemic mixts. of oxo-tricyclo-heptane carboxylate cpds. of formula (I) comprises: (a) treating (I) with an enzyme (A) in water and opt. cosolvent and (b) sepg. acid and ester. (A) is a lipase or esterase derived from porcine liver, porcine or bovine pancreas, or from microorganisms such as Candida, Pseudomonas, Mucor, Rhizopus and Aspergillus or a protease from Bacillus. R1 = 1-10C alkyl, 3-10C cycloalkyl, 2-10C alkenyl, 2-10C alkinyl, 3-8C cycloalkenyl (all opt. mono- to tri-substd., by F, Cl, Br, I, CN, COOR, CONH2, R R , NO2, OR, OCOOR, SPh, SMe, SEt, SO2Ph, SO2R, aryl, heteroaryl) or alkyl and alkenyl gps. with 3-10C atoms or alkinyl gps. with 4-10C atoms, 5-10C aryl or 5-10C heteroaryl or N=CR4R5 or C(R6)=CR7R8 or COR9; R = 1-4C alkyl; R2,R3 = H, 1-6C alkyl, 3-10C cycloalkyl, 2-6C alkenyl, 2-6C alkinyl, phenyl, benzyl, benzoyl, or amino-protection gp,; R4,R5 = H or 1-6C alkyl or R4+R5 = alkylene or alkenylene; R6-R8 = H, Me or Et and R9 = H, alkyl or 2-oxo-tricyclo Ä2,2,1,0<3.5>Ühepta-7-carbonyl.
AbstractList Verbindungen der Formel I in denen R¹ die genannten Bedeutungen hat, lassen sich in isomerenreiner Form aus Enantiomeren-Gemischen oder racemischen Gemischen gewinnen, indem man die Verbindung der Formel I in Gegenwart einer Lipase oder Esterase aus Schweineleber, Schweinepankreas, Rinderpankreas oder aus Mikroorganismen wie Candida, Pseudomonas, Mucor, Rhizopus und Aspergillus oder Proteasen aus Bacillus in Gegenwart von Wasser und gegebenenfalls einem Cosolvens umsetzt und die in der erhaltenen Lösung vorliegenden Ester und Säuren voneinander trennt. Process for enzymic resolution (racemate or enantiomer sepn.) of enantiomer or racemic mixts. of oxo-tricyclo-heptane carboxylate cpds. of formula (I) comprises: (a) treating (I) with an enzyme (A) in water and opt. cosolvent and (b) sepg. acid and ester. (A) is a lipase or esterase derived from porcine liver, porcine or bovine pancreas, or from microorganisms such as Candida, Pseudomonas, Mucor, Rhizopus and Aspergillus or a protease from Bacillus. R1 = 1-10C alkyl, 3-10C cycloalkyl, 2-10C alkenyl, 2-10C alkinyl, 3-8C cycloalkenyl (all opt. mono- to tri-substd., by F, Cl, Br, I, CN, COOR, CONH2, R R , NO2, OR, OCOOR, SPh, SMe, SEt, SO2Ph, SO2R, aryl, heteroaryl) or alkyl and alkenyl gps. with 3-10C atoms or alkinyl gps. with 4-10C atoms, 5-10C aryl or 5-10C heteroaryl or N=CR4R5 or C(R6)=CR7R8 or COR9; R = 1-4C alkyl; R2,R3 = H, 1-6C alkyl, 3-10C cycloalkyl, 2-6C alkenyl, 2-6C alkinyl, phenyl, benzyl, benzoyl, or amino-protection gp,; R4,R5 = H or 1-6C alkyl or R4+R5 = alkylene or alkenylene; R6-R8 = H, Me or Et and R9 = H, alkyl or 2-oxo-tricyclo Ä2,2,1,0<3.5>Ühepta-7-carbonyl.
Author HOLLA, WOLFGANG
BECK, GERHARD
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DocumentTitleAlternate Verfahren zur enzymatischen Enantiomeren-Trennung von rac-2-Oxotricyclo 2,2,1,03,5 -heptan-7-carbonsäure bzw. der -carbonsäureester
Procédé pour la séparation enzymatique des énantiomère d'un mélange racémique d'acide 2-oxotricyclo-2,2,1,03,5-heptan-7-carboxylique et de ses esters
Edition 6
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Snippet Verbindungen der Formel I in denen R¹ die genannten Bedeutungen hat, lassen sich in isomerenreiner Form aus Enantiomeren-Gemischen oder racemischen Gemischen...
SourceID epo
SourceType Open Access Repository
SubjectTerms ACYCLIC OR CARBOCYCLIC COMPOUNDS
BEER
BIOCHEMISTRY
CHEMISTRY
ENZYMOLOGY
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
ORGANIC CHEMISTRY
PROCESSES USING MICROORGANISMS
SPIRITS
VINEGAR
WINE
Title Process for the enzymatic separation of enantiomers of racemic 2-oxotricyclo-2,2,1,03,5-heptan-7-carboxylic acids and esters thereof
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