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:
Nov. 04, 2008
Filed:
Nov. 27, 2003
Applicants:
Frédéric Maurice Naud, Huningue, FR;
Ulrich Pittelkow, Rheinfelden, DE;
Inventors:
Frédéric Maurice Naud, Huningue, FR;
Ulrich Pittelkow, Rheinfelden, DE;
Assignee:
Solvias AG, Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 27/00 (2006.01); C07C 33/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process for catalytically hydrogenating carbon-heteroatom double bonds, in particular for asymmetrically catalytically hydrogenating simple ketones, which includes the step of reacting the substrate with hydrogen in the presence of a hydrogenation catalyst and of a base, characterized in that the hydrogenation catalyst is a 5-coordinate ruthenium complex which in each case has a monophosphine ligand and a bidentate P-N ligand.