Quinazolinone derivatives, processes for the preparation thereof and
申请人:Fujisawa Pharmaceutical Co., Ltd.
公开号:US04705787A1
公开(公告)日:1987-11-10
Anti-allergic quinazolinone derivatives are disclosed which have the formula ##STR1## wherein R.sup.3 is hydrogen or lower alkyl and A is lower alkylene.
New quinazolinone derivatives, processes for the preparation thereof and pharmaceutical composition comprising the same
申请人:FUJISAWA PHARMACEUTICAL CO., LTD.
公开号:EP0129891A2
公开(公告)日:1985-01-02
New quinazolinone derivatives of the formula:
wherein R' is lower alkyl or a group of the formula:
(wherein A is lower alkylene and R4 is aryl) and the other symbols have certain definitions, pharmaceutically acceptable salts thereof and processes for their preparation. The invention also comprises pharmaceutical compositions containing such compounds and their use for treatment of allergic symptoms in human being and animals.
式中的新喹唑啉酮衍生物:
其中 R' 为低级烷基或式中的基团:
(其中 A 为低级亚烷基,R4 为芳基)和其它符号具有特定定义的新喹唑啉酮衍生物、其药学上可接受的盐及其制备工艺。本发明还包括含有此类化合物的药物组合物及其用于治疗人类和动物过敏症状的用途。