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:
Dec. 27, 2016
Filed:
Jul. 12, 2013
Applicant:
Takeda Pharmaceutical Company Limited, Osaka-shi, Osaka, JP;
Inventors:
Shinji Nakamura, Kanagawa, JP;
Satoshi Mikami, Kanagawa, JP;
Kawasaki Masanori, New York, NY (US);
Izumi Nomura, Kanagawa, JP;
Tomoko Ashizawa, Kanagawa, JP;
Takahiko Taniguchi, Kanagawa, JP;
Assignee:
Takeda Pharmaceutical Company Limited, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 241/38 (2006.01); C07D 471/04 (2006.01); C07D 235/16 (2006.01);
U.S. Cl.
CPC ...
C07D 471/04 (2013.01); C07D 235/16 (2013.01);
Abstract
The present invention provides a compound having a PDE2A selective inhibitory action, which is useful as an agent for the prophylaxis or treatment of schizophrenia, Alzheimer's disease and the like. The present invention is a compound represented by the formula (1): wherein each symbol is as described in the specification, or a salt thereof.