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:
Sep. 09, 2025
Filed:
Nov. 29, 2021
Sumitomo Pharma Co., Ltd., Osaka, JP;
Seiji Kamioka, Osaka, JP;
Hitoshi Ban, Osaka, JP;
Makoto Matsuoka, Osaka, JP;
Wataru Hirose, Tokyo, JP;
Naoaki Shimada, Osaka, JP;
Kento Hayashi, Osaka, JP;
Hiroki Umehara, Osaka, JP;
Sumitomo Pharma Co., Ltd., Osaka, JP;
Abstract
The present disclosure provides a compound that exerts an anticancer action based on CHK1 inhibition. The present disclosure was completed by finding that a compound represented by formula (1) or a pharmaceutically acceptable salt thereof exhibits an excellent antitumor action by having a potent inhibitory action against CHK1: wherein R, R, L, V, W, and Q are as defined herein, X, Y, and Z each independently represent CRor a nitrogen atom, wherein X, Y, and Z are not simultaneously CR, and Ris as defined herein.