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:
Aug. 26, 2014
Filed:
Feb. 21, 2013
Applicant:
Daiichi Sankyo Company, Limited, Tokyo, JP;
Inventors:
Shinji Matuura, Kanagawa, JP;
Hisaki Kajino, Kanagawa, JP;
Tomoyuki Nagai, Kanagawa, JP;
Keijiro Kobayashi, Kanagawa, JP;
Assignee:
Daiichi Sankyo Company, Limited, Chuo-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/55 (2006.01); C07D 417/06 (2006.01); C07D 495/16 (2006.01);
U.S. Cl.
CPC ...
C07D 495/16 (2013.01); A61K 31/55 (2013.01); C07D 417/06 (2013.01);
Abstract
To provide a hydrochloride of a tricyclic pyrazolopyrimidine compound inhibiting the effect of HSP90 and a crystal thereof. The present invention provides a hydrochloride of 2-{4-amino-2-[(3-chloro-4-methoxy-5-methylpyridin-2-yl)methyl]-2,7-dihydro-6-thia-1,2,3,5-tetraazabenzo[cd]azulen-8-yl}-N-methylacetamide which inhibits the ATPase activity of HSP90 and which has antitumor activity, a crystal thereof, a medicament comprising the same, an anticancer agent comprising the same, and the like.