申请人:E. I. Du Pont de Nemours and Company
公开号:US04652582A1
公开(公告)日:1987-03-24
Antiinflammatory 2-halo-4,5-diarylpyrroles are provided. These pyrroles have the formula: ##STR1## wherein Y.sub.1 is F, Cl, Br, or I; Y.sub.2 is H, Cl, or Br; R.sub.1 is H, CH.sub.3, C.sub.2 H.sub.5, acetyl, or ##STR2## where R.sub.4 is methyl, ethyl, t-butyl, or benzyl; R.sub.2 is pyridyl or ##STR3## R.sub.3 is pyridyl or ##STR4## X and X' are independently H, F, Cl, Br, OR.sub.5, or R.sub.5 S(O).sub.n where n is 0, 1 or 2 and R.sub.5 is C.sub.1 -C.sub.2 alkyl; provided that one of R.sub.2 or R.sub.3 must be ##STR5## or a pharmaceutically suitable salt thereof. Intermediates to the above pyrroles are provided where R.sub.1 in the above formula is replaced by R.sup.1 which is benzenesulfonyl or 4-toluenesulfonyl.
提供抗炎症的2-卤代4,5-二芳基吡咯醇。这些吡咯醇的化学式为:##STR1## 其中Y.sub.1为F、Cl、Br或I;Y.sub.2为H、Cl或Br;R.sub.1为H、CH.sub.3、C.sub.2 H.sub.5、乙酰基,或##STR2## 其中R.sub.4为甲基、乙基、叔丁基或苄基;R.sub.2为吡啶基或##STR3## R.sub.3为吡啶基或##STR4## X和X'独立地为H、F、Cl、Br、OR.sub.5或R.sub.5 S(O).sub.n,其中n为0、1或2,R.sub.5为C.sub.1 -C.sub.2烷基;前提是R.sub.2或R.sub.3中的一个必须为##STR5## 或其药用合适盐。提供了上述吡咯醇的中间体,其中上述化学式中的R.sub.1被替换为苯磺酰基或4-甲苯磺酰基的R.sup.1。