Patent · US Expired

Process for reducing 3-heteroaryl-3-oxopropionic acid derivatives

US8293899B2 · kind B2 · utility

0Cited by

4References

18Claims

0Family size

Assignee

LANXESS Deutschland GmbH · DE

Inventors

Boris Bosch
Markus Eckert · Bad Mergentheim, DE
Hans-Christian Militzer · Odenthal, DE
Claus Dreisbach

Key dates

Filing date	Feb 27, 2003
Grant date	Oct 23, 2012
Priority date	—
Expiry date	Feb 27, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D333/60
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing stereoisomerically enriched 3-heteroaryl-3-hydroxycarboxylic esters by reducing 3-heteroaryl-3-oxocarboxylic esters in the presence of ruthenium-containing catalysts.

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