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:
May. 27, 2008
Filed:
Oct. 24, 2005
Applicants:
Takeshi Ohkuma, Sapporo, JP;
Christian A. Sandoval, Shanghai, CN;
Ryoji Noyori, Tokyo, JP;
Inventors:
Assignees:
Kanto Kangaku Kabushiki Kaisha, Tokyo, JP;
Nagoya Industrial Science Research Institute, Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/14 (2006.01); C07F 15/00 (2006.01); B01J 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A tert-alkyl ketone, pinacolone was hydrogenated under pressurized hydrogen in the presence of a ruthenium complex (S)-1 and a base, and corresponding (S)-3,3,-dimethyl-2-butanol was thereby obtained in 100% yield and 97% ee