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:
Nov. 06, 2012
Filed:
Apr. 09, 2009
Yoshimitsu Suda, Hanno, JP;
Kosuke Egami, Hanno, JP;
Hidenori Fujita, Hanno, JP;
Taiho Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
Provided is a c-Met inhibitory antitumor agent which mitigates side effects by selectively affecting tumor cells in which c-Met is specifically expressed, having a formula (I) or its salt: wherein each of Rand Rare independently a hydrogen atom, an optionally substituted Calkyl, Ccycloalkyl, Caromatic hydrocarbon, or saturated or unsaturated heterocyclic group, or Rand Rmay form, together with the nitrogen atom to which they are attached, an optionally substituted nitrogen-containing heterocyclic ring; Ris a Calkyl group; and R, R, and R, are independently a hydrogen atom, a halogen atom, an optionally substituted Calkyl group, a Calkoxy group, a Calkylamino group, an optionally substituted aromatic hydrocarbon group, or an optionally substituted saturated or unsaturated heterocyclic group, or Rand Rmay form a ring together with the phenyl ring to which they are attached.