申请人:Sumitomo Chemical Company, Limited
公开号:US04183932A1
公开(公告)日:1980-01-15
Tricyclic quinazolines of the formula, ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and A are as defined in the specification, such as 4,5-dihydro-5-arylimidazo[1,2-a]quinazolines, 4,5-dihydro-5-aryl-s-triazolo[4,3-a]quinazolines and 4,5-dihydro-5-aryltetrazolo[1,5-a]quinazolines having anti-inflammatory and analgesic activity are, for example, prepared by reducing the corresponding 4,5-unsaturated compounds, and then, if necessary, by alkylating the thus produced compounds.
公式为##STR1##的三环喹唑啉化合物,其中R.sub.1、R.sub.2、R.sub.3、R.sub.4和A如规范中所定义,例如4,5-二氢-5-芳基咪唑[1,2-a]喹唑啉、4,5-二氢-5-芳基-s-三唑[4,3-a]喹唑啉和4,5-二氢-5-芳基四唑[1,5-a]喹唑啉具有抗炎和镇痛活性,例如通过还原相应的4,5-不饱和化合物制备,然后必要时通过烷基化所产生的化合物。