Thiobenzopyrans and their use in preparation of drugs for treatment of rheumatoid arthritis

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United States of America Patent

PATENT NO 12110282
APP PUB NO 20230242502A1
SERIAL NO

18013069

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Abstract

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Provided is a thiobenzopyran-based compound of Formula I and its pharmaceutically acceptable salt, and its use in the preparation of drugs for the treatment of rheumatoid arthritis, wherein X is selected from oxygen, sulfur, —SO—, and —SO2—; Y is a sulfur atom and Z is H, Na, or K. Through preliminary tests of anti-inflammatory activity, compounds of formula I have anti-rheumatoid arthritis effects.

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Patent Owner(s)

Patent OwnerAddress
HC SYNTHETIC PHARMACEUTICAL CO LTDXI'AN SHAANXI 710075

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Dongxing Xi'an, CN 8 9
Qi, Sumin Xi'an, CN 3 0
Yang, Cheng Xi'an, CN 183 1057
Zhang, Qiyuan Xi'an, CN 4 0
Zhao, Xiaodan Xi'an, CN 10 7

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