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. 01, 2020
Filed:
Jul. 03, 2018
Applicant:
Sunshine Lake Pharma Co., Ltd., Dongguan, CN;
Inventors:
Runfeng Lin, Dongguan, CN;
Xiaojun Wang, Dongguan, CN;
Jihua Lin, Dongguan, CN;
Liang Chen, Dongguan, CN;
Yingjun Zhang, Dongguan, CN;
Jiancun Zhang, San Mateo, CA (US);
Assignee:
SUNSHINE LAKE PHARMA CO., LTD., Dongguan, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 239/36 (2006.01); C07D 211/50 (2006.01); C07C 211/50 (2006.01);
U.S. Cl.
CPC ...
C07D 239/36 (2013.01); C07C 211/50 (2013.01);
Abstract
A method for preparing a pyrimidone compound and an important intermediate in which raw materials of the preparation method are cheap, the reaction condition of preparation method is mild, the preparation method is simple to operate, and is safe and controllable, has high total yield, and thus is suitable for industrial production.