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. 13, 2007
Filed:
Nov. 25, 2003
Applicants:
Makoto Kobayashi, Hyogo, JP;
Haruo Koike, Hyogo, JP;
Masahiko Nagai, Osaka, JP;
Inventors:
Assignee:
Shionogi & Co., Ltd., Hyogo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 277/30 (2006.01); C07C 271/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for producing a compound represented by the general formula (I-A) or the general formula (I-B), comprising the following step: wherein Ris an optionally substituted lower alkyl, and the like; Ris a lower alkyl or an optionally substituted aralkyl, and the like; Ris a lower alkyl, characterized in that a compound represented by the general formula (II-A) or the general formula (II-B) is treated with thionyl chloride.