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.
抗炎的 5-取代-2,3-二芳基噻吩,如 2,3-双(4-氟苯基)-5-(三氟甲基-硫基)噻吩,可用于治疗关节炎和相关疾病,其结构式如下:
其中 R1 = 单氟或多氟 C1-C6 烷基或 C1-C6 烷基;
n = 0、1 或 2;
R 和 R4 = 苯基或吡啶基;
R5 = H、烷基或烯丙基。
此外,还介绍了其制备工艺。