Method for producing alcohols free of enantiomers

A process for preparing enantiomerically pure alcohols of the formula I (Ia or Ib)where the substituents have the following meanings:R1hydrogen or substituted or unsubstituted C1-C6-alkyl, C1-C6-alkoxy or C1-C6-alkanoyl,R2 and R3independently of one another hydrogen or substituted or unsubstituted C...

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Bibliographische Detailangaben
Hauptverfasser:	DINGLER CHRISTOPH, HOLMAN NICHOLAS JOHN
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY FENCING FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE FIXED CONSTRUCTIONS FLUSHING VALVES THEREFOR HETEROCYCLIC COMPOUNDS MASTS METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING ORGANIC CHEMISTRY PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SEWERAGE SPIRITS SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL VINEGAR WATER SUPPLY WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES WINE
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Beschreibung
Zusammenfassung:	A process for preparing enantiomerically pure alcohols of the formula I (Ia or Ib)where the substituents have the following meanings:R1hydrogen or substituted or unsubstituted C1-C6-alkyl, C1-C6-alkoxy or C1-C6-alkanoyl,R2 and R3independently of one another hydrogen or substituted or unsubstituted C1-C6-alkyl, C1-C6-alkoxy, C1-C6-alkanoyl, C1-C6-alkylthio, C1-C6-alkylsulfinyl or C1-C6-alkylsulfonyl,R4substituted or unsubstituted C1-C6-alkyl, C3-C8-cycloalkyl,which comprises reducing compounds of the formula II where the substituents R1 to R4 have the abovementioned meanings in aqueous solution in the presence of a carbon source and of a microorganism or of a reducing agent, of a cofactor and of an enzyme, to compounds of the formula I.