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:
Sep. 23, 2014
Filed:
Oct. 29, 2013
Applicant:
Zeria Pharmaceutical Co., Ltd., Tokyo, JP;
Inventors:
Masaaki Nagasawa, Chuo-ku, JP;
Kazuyasu Asami, Honjyo, JP;
Ryu Nakao, Chuo-ku, JP;
Nobuyuki Tanaka, Chuo-ku, JP;
Yoshiyuki Aida, Chuo-ku, JP;
Assignee:
Zeria Pharmaceutical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 277/46 (2006.01); C07C 69/92 (2006.01); C07D 277/56 (2006.01); C07C 51/377 (2006.01); C07C 67/08 (2006.01); C07C 205/60 (2006.01); C07C 51/347 (2006.01);
U.S. Cl.
CPC ...
C07C 69/92 (2013.01); C07D 277/46 (2013.01); C07D 277/56 (2013.01); C07C 51/377 (2013.01); C07C 67/08 (2013.01); C07C 205/60 (2013.01); C07C 51/347 (2013.01);
Abstract
Provided is a method for selectively demethylating a 2-methoxy group. Specifically provided is a production method of a compound represented by formula (7) below through the following reactions.