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:
May. 07, 2019
Filed:
May. 05, 2016
Applicant:
Guangdong Raynovent Biotech Co., Ltd., Dongguan, CN;
Inventors:
Lingyun Wu, Shanghai, CN;
Xiaoxin Chen, Dongguan, CN;
Peng Zhang, Shanghai, CN;
Xing Liu, Dongguan, CN;
Li Zhang, Shanghai, CN;
Zhuowei Liu, Dongguan, CN;
Shuhui Chen, Shanghai, CA (US);
Chaofeng Long, Dongguan, CN;
Assignee:
GUANGDONG RAYNOVENT BIOTECH CO., LTD., Dongguan, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 473/06 (2006.01); C07D 473/10 (2006.01); C07D 487/04 (2006.01); C07D 475/02 (2006.01); C07D 239/96 (2006.01); A61K 31/522 (2006.01); A61K 31/519 (2006.01); A61P 29/00 (2006.01); C07D 471/04 (2006.01); C07K 14/525 (2006.01);
U.S. Cl.
CPC ...
A61K 31/522 (2013.01); A61K 31/519 (2013.01); A61P 29/00 (2018.01); C07D 239/96 (2013.01); C07D 471/04 (2013.01); C07D 473/06 (2013.01); C07D 473/10 (2013.01); C07D 475/02 (2013.01); C07D 487/04 (2013.01); C07K 14/525 (2013.01);
Abstract
Disclosed are a series of hydroxyl purine compounds and the use thereof as PDE2 or TNFα inhibitors, in particular, the compounds as shown in formula (I), or tautomers thereof or pharmaceutically acceptable salts thereof.