The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 10, 2015
Filed:
Apr. 14, 2011
Applicants:
Richard Wisdom, Eppstein, DE;
Joerg Jung, Floersheim, DE;
Andreas Meudt, Wiesbaden, DE;
Inventors:
Assignee:
Euticals GmbH, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 223/28 (2006.01);
U.S. Cl.
CPC ...
C07D 223/28 (2013.01); C07B 2200/07 (2013.01);
Abstract
The invention relates to a process for the asymmetric transfer hydrogenation of a ketone substrate to produce as chiral secondary alcohol with an ee of greater than 85% in which an enantio-enriched chiral catalyst containing ruthenium or rhodium is used with a hydrogen donor and in which an anion exchange resin is used as a base.