07-05-2020 дата публикации
Номер: US20200140423A1
Принадлежит:
The present invention discloses a thiophene used as a uric acid transporter (URAT1) inhibitor and application of the thiophene in preparing a pharmaceutical product for treating a disease related to abnormal uric acid levels, specifically in preparing a pharmaceutical product for treating hyperuricemia and gouty arthritis. The invention specifically relates to a compound as represented by formula (I) or a pharmaceutically acceptable salt thereof. 2. The compound claim 1 , the pharmaceutically acceptable salt and the tautomer thereof according to claim 1 , wherein claim 1 , R is selected from F claim 1 , Cl claim 1 , Br claim 1 , I claim 1 , OH claim 1 , CN claim 1 , NH claim 1 , COOH claim 1 , C(═O)NH claim 1 , or selected from Calkyl claim 1 , N claim 1 ,N′-di(Calkyl)amino claim 1 , Calkyl-NH— claim 1 , Calkyl-O— claim 1 , Calkyl-S(═O)— claim 1 , Calkyl-S(═O)— claim 1 , each of which is optionally substituted by 1 claim 1 , 2 or 3 of R′.5. (canceled)6. The compound claim 4 , the pharmaceutically acceptable salt and the tautomer thereof according to claim 4 , wherein claim 4 , Ris selected from H claim 4 , Me claim 4 , Et.9. (canceled)10. (canceled)11. The compound claim 1 , the pharmaceutically acceptable salt and the tautomer thereof according to any claim 1 , wherein claim 1 , Ris selected from H claim 1 , F claim 1 , Cl claim 1 , Br claim 1 , I claim 1 , OH claim 1 , CN claim 1 , NH claim 1 , Me claim 1 , Et;{'sub': '6', 'or, Ris selected from H, F, Cl, Br, I, OH, CN, NH, Me, Et;'}{'sub': 7', '2', '1-3', '1-3', '1-3', '1-3', '3-6, 'or, Ris selected from H, F, Cl, Br, I, OH, CN, NH, COOH, or selected from the group consisting of Calkyl, C(═O)OCalkyl, C(═O)N(Calkyl)Calkyl, Ccycloalkyl, phenyl, pyrazolyl, imidazolyl, thiazolyl, oxazolyl, isoxazolyl, isothiazolyl, pyridyl and pyrimidyl, each of which is optionally substituted by 1, 2 or 3 of R.'}12. (canceled)16. (canceled)18. (canceled)22. (canceled)25. A pharmaceutical composition claim 1 , comprising the compound ...
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