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:
Apr. 25, 2006
Filed:
Jan. 21, 2004
Applicants:
Tadafumi Yokota, Toda, JP;
Hiroshi Yano, Osaka, JP;
Inventors:
Tadafumi Yokota, Toda, JP;
Hiroshi Yano, Osaka, JP;
Assignee:
Japan Energy Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/66 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for producing a ketone, particularly a macrocyclic ketone, from a 2-hydroxycycloalkanone having from 12 to 18 carbon atoms by efficiently dehydrating and reducing the acyloin in a single reaction vessel. A method for producing a ketone compound, which comprises dehydrating and reducing an acyloin in the coexistence of an acid catalyst and a reduction catalyst and in the presence of hydrogen, particularly using a 2-hydroxycycloalkanone having from 12 to 18 carbon atoms as the acyloin.