MEHRSTUFIGES VERFAHREN ZUR HERSTELLUNG VON (1S, 4R)- UND/ODER (1R,4S)-4-(2-AMINO-6-CHLOR-9-H- PURIN-9-YL)-2-CYCLOPENTEN-1-METHANOL

Racemic or optically active 1-amino-4-(hydroxymethyl)-2- cyclopentene derivatives are obtained by acylation of 1-amino-2-cyclopentene-4- carboxylic acid with an acid halide, followed by reduction of the carboxyl group. A method for the production of racemic or optically active 4-(hydroxymethyl)-2-cy...

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Hauptverfasser:	BURGDORF, KURT, BIRCH, OLWEN MARY, GUGGISBERG, YVES, BRUX, FRANK, ETTER, KAY-SARA, URBAN, EVA-MARIA, BOSSARD, PIERRE, O'MURCHU, COLM, GORDON, JOHN, DUC, LAURENT, BERNEGGER, CHRISTINE, BRIEDEN, WALTER
Format:	Patent
Sprache:	ger
Schlagworte:	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 HETEROCYCLIC COMPOUNDS METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING ORGANIC CHEMISTRY PROCESSES USING MICROORGANISMS SPIRITS VINEGAR WINE
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Zusammenfassung:	Racemic or optically active 1-amino-4-(hydroxymethyl)-2- cyclopentene derivatives are obtained by acylation of 1-amino-2-cyclopentene-4- carboxylic acid with an acid halide, followed by reduction of the carboxyl group. A method for the production of racemic or optically active 4-(hydroxymethyl)-2-cyclopentene derivatives of formula (XIII) involves acylation of a cyclopentene-4-carboxylic acid derivative of formula (XIV) (as the racemate or an optically active isomer) with a carboxylic acid halide of formula R1>-CO-X (XI), followed by reduction of the resulting acid derivative (XV): [Image] R1>1-4C alkyl, 1-4C alkoxy, aryl or aryloxy; X : halogen.