Patent · US Expired

Process for the preparation of enantiomers

US4739071A · kind A · utility

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0References

22Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Michael Casutt · Pfungstadt, DE
Eike Poetsch · Mühltal, DE

Key dates

Filing date	Nov 24, 1986
Grant date	Apr 19, 1988
Priority date	—
Expiry date	Nov 24, 2006

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D233/32
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Enantiomers of optically active dicarboxylic acid monoesters are obtained by subjecting them to intramolecular rearrangement involving reversal of the direction of rotation.

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