申请人:Pennwalt Corporation
公开号:US04774334A1
公开(公告)日:1988-09-27
Compounds possessing antiallergy activity have the formula: ##STR1## wherein R and R.sup.1 are independently hydrogen or alkyl, or R and R.sup.1 together with the attached nitrogen form a heterocyclic ring system selected from the group consisting of piperidinyl, pyrrolidinyl, morpholinyl and 1, 2, 3, 4-tetrohydroquinolinyl, and R.sup.2 is phenyl or phenyl monosubstituted with a lower alkyl, a nitro, a halogenated methyl, a halogen or a lower alkoxy group.
具有抗过敏活性的化合物具有以下结构式:其中R和R.sup.1分别是氢或烷基,或者R和R.sup.1与连接的氮一起形成从哌啶基、吡咯啉基、吗啉基和1,2,3,4-四氢喹啉基组成的杂环环系统,R.sup.2是苯或带有较低烷基、硝基、卤代甲基、卤素或较低烷氧基的苯单取代基。