申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04698349A1
公开(公告)日:1987-10-06
The invention relates to novel quinolizinone compounds, of inhibitory activity on allergies and ulcers, of the formula: ##STR1## wherein R.sup.1 is carboxy, carbamoyl Y.sup.1, phenylcarbamoyl which may have hydroxy, cyano or thiocarbamoyl, R.sup.7 is hydrogen or aryl selected from phenyl, tolyl, xylyl, cumenyl, naphthyl and biphenylyl; R.sup.2 is hydrogen, hydroxy, lower alkyl or lower alkoxy; and R.sup.3 is hydrogen, hydroxy, lower alkyl, lower alkoxy, lower alkenyloxy, phenyl, naphthyl, biphenylyl, phenyl having one or more substituent(s) selected from halogen, lower alkyl and lower alkoxy, arylthio selected from phenylthio, tolylthio, xylylthio, cumenylthio, naphthylthio and biphenylylthio, aroyl selected from benzoyl, toluoyl and naphthoyl, ar(lower)alkyl selected from phenyl(lower)alkyl, tolyl(lower)alkyl, xylyl(lower)alkyl, cumenyl(lower)alkyl, naphthyl(lower)alkyl and biphenylyl(lower)alkyl, arenesulfonyl selected from benzenesulfonyl and p-toluenesulfonyl, arylamino selected from phenylamino, naphthylamino, biphenylylamino, phenylamino having lower alkyl on the nitrogen atom or aryloxy selected from phenoxy and tolyloxy; or pharmaceutically acceptable salts thereof.
本发明涉及一种新型喹诺酮化合物,具有抗过敏和抗溃疡的抑制活性,其化学式为:##STR1## 其中R.sup.1是羧基,氨基甲酰Y.sup.1,苯基氨基甲酰,可能具有羟基,氰基或硫代氨基甲酰基;R.sup.7是氢或苯基,选择自苯基,甲苯基,二甲苯基,叔丁基苯基,萘基和联苯基;R.sup.2是氢,羟基,低碳基或低碳氧基;R.sup.3是氢,羟基,低碳基,低碳氧基,低碳烯氧基,苯基,萘基,联苯基,苯基上有一个或多个卤素,低碳基和低碳氧基的取代基,苯基硫取代自苯基硫基,甲苯基硫基,二甲苯基硫基,叔丁基苯基硫基,萘基硫基和联苯基硫基,芳香酰取代自苯甲酰,甲苯甲酰和萘甲酰,芳基(低)碳基取代自苯基(低)碳基,甲苯基(低)碳基,二甲苯基(低)碳基,叔丁基苯基(低)碳基,萘基(低)碳基和联苯基(低)碳基,芳基磺酰基选自苯基磺酰基和对甲苯磺酰基,芳基氨基选自苯基氨基,萘基氨基,联苯基氨基,氮原子上有低碳基的苯基氨基或芳氧基选自苯氧基和对甲苯氧基;或其药学上可接受的盐。