Thiobenzopyrans and their use in preparation of drugs for treatment of rheumatoid arthritis
US12110282B2 · kind B2 · utility
0Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2021 |
| Grant date | Oct 8, 2024 |
| Priority date | — |
| Expiry date | Aug 20, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P19/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.