申请人:Ciba-Geigy Corporation
公开号:US04803197A1
公开(公告)日:1989-02-07
Disclosed are the compound of the formula ##STR1## wherein n represents zero, 1 or 2; Ar represents a carbocyclic or heterocyclic aryl radical; R and R.sub.1 independently represent hydrogen, lower alkyl or Ar-lower alkyl; R.sub.2 and R.sub.3 independently represent hydrogen, lower alkyl, halogen, trifluoromethyl or lower alkoxy; or R.sub.2 and R.sub.3 together on adjacent carbon atoms represent lower alkylenedioxy; R.sub.4 represents hydroxy or NR.sub.5 R.sub.6 wherein R.sub.5 and R.sub.6 independently represent hydrogen, lower alkyl or AR-lower alkyl,; or R.sub.5 and R.sub.6 together with the nitrogen to which they are attached represent pyrrolidino or piperidino; pharmaceutically acceptable salts thereof; lower alkyl enol ethers and lower alkanoyl enol esters of compounds of formual I wherein R.sub.4 represents hydroxy; as e.g. antiinflammatory agents; methods for preparing said compounds and pharmaceutical compositions comprising said compounds.
揭示了以下式的化合物##STR1##其中n表示零、1或2;Ar表示碳环或杂环芳基基团;R和R.sub.1独立表示氢、低碳基或Ar-低碳基;R.sub.2和R.sub.3独立表示氢、低碳基、卤素、三氟甲基或低烷氧基;或R.sub.2和R.sub.3在相邻碳原子上共同表示低烷二氧基;R.sub.4表示羟基或NR.sub.5 R.sub.6,其中R.sub.5和R.sub.6独立表示氢、低碳基或Ar-低碳基;或R.sub.5和R.sub.6与它们连接的氮一起表示吡咯烷基或哌啶基;这些化合物的药学上可接受的盐;其中R.sub.4表示羟基的化合物的低烷基烯醇醚和低烷酰基烯醇酯,例如抗炎药物;制备所述化合物的方法和包含所述化合物的药物组合物。