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:
Apr. 22, 2014
Filed:
Jul. 26, 2011
Applicants:
Akira Iida, Kyoto, JP;
Kazunori Ueda, Kawachinagano, JP;
Mitsuaki Yamashita, Takasaki, JP;
Inventors:
Assignee:
Taheebo Japan Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/92 (2006.01); A61K 31/343 (2006.01);
U.S. Cl.
CPC ...
C07D 307/92 (2013.01); A61K 31/343 (2013.01);
Abstract
The present invention is directed to provide a novel preparation of anticancer-active tricyclic compounds via alkyne coupling reaction. The present invention provides a process for preparing a compound of formula (Ia) or (Ib):
Iida, Akira. (2014). Preparation of anticancer-active tricyclic compounds via alkyne coupling reaction (U.S. Patent No. 8703979). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8703979
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile