Hydroxyl purine compounds and applications thereof

USRE49128E1 · kind E1 · reissue

Assignee

• GUANGDONG RAYNOVENT BIOTECH CO., LTD. · CN

Inventors

• Lingyun WU · Shanghai, CN
• Chaofeng Long · Tangxia, CN
• Peng Zhang · Nanhu, CN
• Xiaoxin Chen · Cupertino, US
• Li Zhang · New Milford, US
• Zhuowei Liu · 流花街道, CN
• Jian Li · Shanghai, CN
• Shuhui CHEN · Shanghai, CN

Key dates

• Filing date: Feb 19, 2020
• Grant date: Jul 12, 2022
• Expiry date: Feb 19, 2040

Classification

• Technology area (CPC —): General

Abstract

Hydroxyl purine compounds represented by formula (I), tautomers or pharmaceutically acceptable salts thereof, and applications thereof as PDE2 or TNF-α inhibitors.