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:
Jul. 12, 2016
Filed:
Dec. 10, 2012
Applicant:
Kureha Corporation, Tokyo, JP;
Inventors:
Shigeyuki Kikumoto, Tokyo, JP;
Hisashi Kanno, Tokyo, JP;
Assignee:
KUREHA CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 319/08 (2006.01); C07C 45/65 (2006.01); C07D 249/08 (2006.01); C07C 45/75 (2006.01); C07C 45/64 (2006.01); C07C 49/493 (2006.01); C07C 49/747 (2006.01); C07C 45/67 (2006.01);
U.S. Cl.
CPC ...
C07D 319/08 (2013.01); C07C 45/64 (2013.01); C07C 45/65 (2013.01); C07C 45/676 (2013.01); C07C 45/75 (2013.01); C07C 49/493 (2013.01); C07C 49/747 (2013.01); C07D 249/08 (2013.01); C07C 2101/08 (2013.01);
Abstract
The present invention is a production method for a compound represented by the following general formula (V), the method comprising a step of obtaining a compound represented by the following general formula (II) by reacting a compound represented by the following general formula (I) with an acid: wherein, Gand Gare each a protecting group that dissociates under acidic conditions.