申请人:Nippon Zoki Pharmaceutical Co., Ltd.
公开号:US04886807A1
公开(公告)日:1989-12-12
Pyrimidopyrimidine derivatives having the general formula ##STR1## wherein R.sub.1 is an alkyl group; R.sub.2 is an alkyl or phenyl group; R.sub.3 is a hydrogen atom, an alkyl or lower alkylamino group; and R.sub.4 is a hydrogen atom, an alkyl, halogenated lower alkyl, phenyl, amino or lower alkylamino group; and pharmaceutically acceptable salts thereof. These compounds are useful as anti-allergic agents, for example, for the treatment of bronchial asthma, urticaria, allergic rhinitis, allergic dermatoses or allergic conjunctivitis.
具有一般式##STR1##的嘧啶嘧啶衍生物,其中R.sub.1为烷基;R.sub.2为烷基或苯基;R.sub.3为氢原子、烷基或低级烷基氨基基团;R.sub.4为氢原子、烷基、卤代低级烷基、苯基、氨基或低级烷基氨基基团;以及其药学上可接受的盐。这些化合物可用作抗过敏剂,例如用于治疗支气管哮喘、荨麻疹、过敏性鼻炎、过敏性皮肤病或过敏性结膜炎。