Fused tri-cyclic compound as PDE3/PDE4 dual inhibitor

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United States of America Patent

PATENT NO 11993596
APP PUB NO 20210323960A1
SERIAL NO

17259089

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Abstract

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Provided is a fused tri-cyclic compound as PDE3/PDE4 dual inhibitor, and a use thereof in the preparation of drugs for PDE3/PDE4 associated diseases, particularly in medicinal functions such as chronic obstructive pulmonary disease (COPD). Provided are specifically a compound of formula (I) and a pharmaceutically acceptable salt thereof.

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Patent Owner(s)

Patent OwnerAddress
CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTDLIANYUNGANG JIANGSU 222062

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Shuhui Shanghai, CN 339 290
Luo, Yunfu Shanghai, CN 62 135
Pan, Jianfeng Shanghai, CN 22 43
Su, Sheng Shanghai, CN 18 25
Wang, Yong Shanghai, CN 1107 9670
Zhang, Guoli Shanghai, CN 17 33

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