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. 04, 2018
Filed:
Sep. 28, 2017
Shanghai Hengrui Pharmaceutical Co., Ltd., Shanghai, CN;
Jiangsu Hengrui Medicine Co., Ltd., Lianyungang, Jiangsu, CN;
Wangyang Tu, Shanghai, CN;
Haitang Zhang, Shanghai, CN;
Guoji Xu, Shanghai, CN;
Jiangtao Chi, Shanghai, CN;
Shanghai Hengrui Pharmaceutical Co., Ltd., Shanghai, CN;
Jiangsu Hengrui Medicine Co., Ltd., Lianyungang, Jiangsu, CN;
Abstract
Compounds for the preparation of pyridone derivatives are provided. In particular, compounds of formula (IA) are provided, wherein the variable groups are as defined in the specification. The compounds of formula (IA) can be used as intermediates in the preparation of pyridone derivatives useful as mitogen-activated protein kinase kinase (MEK) inhibitors and therapeutic agents for treating cancer.