Patent · US Expired

Method for producing optically active alcohols or carboxylic acids

US7507866B2 · kind B2 · utility

1Cited by

8References

17Claims

0Family size

Assignee

BASF SE

Inventors

Heiko Urtel · Bischofswerda, DE
Markus Rösch · Oppenheim, DE
Andrea Haunert · Mannheim, DE
Markus Schubert · Ludwigshafen, DE

Key dates

Filing date	Feb 8, 2005
Grant date	Mar 24, 2009
Priority date	—
Expiry date	Jun 8, 2025

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07B2200/07
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing optically active hydroxy-, alkoxy-, amino-, alkyl-, aryl- or chlorine-substituted alcohols or hydroxy carboxylic acids having from 3 to 25 carbon atoms or their acid derivatives or cyclization products by hydrogenating the correspondingly substituted optically active mono- or dicarboxylic acids or their acid derivatives in the presence of a catalyst whose active component consists of rhenium or of rhenium and comprises at least one further element having an atomic number of from 22 to 83, with the provisos that

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.