PROCESSO PARA A PREPARACAO DE ESTERES DE ACIDO 3-HIDROXIOCTANOICO ENANTEOMERICAMENTE PUROS ATRAVES DE HIDROGENACAO CATALITICA ASSIMETRICA

PROCESSO PARA A PREPARACAO DE ESTERES DE ACIDO 3-HIDROXIOCTANOICO ENANTEOMERICAMENTE PUROS ATRAVES DE HIDROGENACAO CATALITICA ASSIMETRICA

Preparation of 3-hydroxyoctanedicarboxylic acid diesters of formula (S)-1 and (R)-1 comprises asymmetric hydrogenation of ketones (III): R1, R2 = 1-20C alkyl, 3-12C cycloalkyl, 7-12C aralkyl or a mono- or bicyclic aryl group. The hydrogenation takes place in the presence of a ruthenium-diphosphine c...

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Bibliographische Detailangaben
Hauptverfasser: RAINER GEWALD, GUNTER LABAN
Format: Patent
Sprache:por
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Zusammenfassung:Preparation of 3-hydroxyoctanedicarboxylic acid diesters of formula (S)-1 and (R)-1 comprises asymmetric hydrogenation of ketones (III): R1, R2 = 1-20C alkyl, 3-12C cycloalkyl, 7-12C aralkyl or a mono- or bicyclic aryl group. The hydrogenation takes place in the presence of a ruthenium-diphosphine complex.