Antiinflammatory 5-substituted-2,3-diaryl-thiophenes, processes for their preparation and pharmaceutical compositions containing them
申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0024042A1
公开(公告)日:1981-02-18
Antiinflammatory 5-substituted-2,3-diarylthiophenes, such as 2,3-bis (4-fluorophenyl)-5-(trifluoromethyl- thio)thiophene, useful for treating arthritis and related diseases, havetheformula:
where R1 = mono-or polyfluoro C1-C6 alkyl or C1-C6 alkyl;
n = 0, 1 or 2;
R and R4 = phenyl or pyridyl;
R5 = H, alkyl or allyl.
Processes for their preparation are also described.
Antiinflammatory 5-substituted-2,3-diarylthiophenes, such as 2,3-bis(4-fluorophenyl)-5-(trifluoromethylthio)thiophene, useful for treating arthritis and related diseases.