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:
Feb. 13, 2007
Filed:
Feb. 09, 2005
Applicants:
Rei Okazaki, Hiratsuka, JP;
Shunshi Kojima, Kamakura, JP;
Inventors:
Rei Okazaki, Hiratsuka, JP;
Shunshi Kojima, Kamakura, JP;
Assignee:
Sankyo Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 207/323 (2006.01); C07D 319/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the production of a γ-ketoacetal compound wherein the desired product is obtained by a simple procedure in a high yield as a high purity product. The reaction scheme for the process is as follows: wherein Ar is an aryl group; X is a halogen atom; Rand Ris an alkyl or alkoxy group; and