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. 10, 2019
Filed:
Aug. 11, 2017
Applicants:
Chia Tai Tianqing Pharmaceutical Group Co., Ltd., Jiangsu, CN;
Centaurus Biopharma Co., Ltd., Bejing, CN;
Inventors:
Lulu Wang, Jiangsu, CN;
Fei Liu, Jiangsu, CN;
Yizhong Zhu, Jiangsu, CN;
Hongying Zhang, Jiangsu, CN;
Assignees:
CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD, Jiangsu, CN;
CENTAURUS BIOPHARMA CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 491/048 (2006.01); C07C 335/32 (2006.01);
U.S. Cl.
CPC ...
C07D 491/048 (2013.01); C07C 335/32 (2013.01);
Abstract
Provided is a method for preparing an intermediate of 6-arylaminopyridonecarboxamide compound as an MEK inhibitor, comprising preparing a compound of formula (III) as an intermediate of 6-arylaminopyridonecarboxamide compound using a compound of formula V as a raw material.