申请人:Yamanouchi Pharmaceutical Co., Ltd.
公开号:US04063025A1
公开(公告)日:1977-12-13
There are disclosed novel 4-substituted amino-.alpha.-aminomethylbenzyl alcohol derivatives represented by the formula: ##STR1## wherein X represents a halogen atom; Y represents a hydrogen atom or a halogen atom; R.sub.1 represents a lower alkyl group, a carbamoyl group, a mono- or di-lower alkyl-substituted carbamoyl group, a phenyl-substituted carbamoyl group, a lower alkoxycarbonyl group, a lower alkoxy-substituted lower alkoxycarbonyl group, a phenyl-substituted lower alkoxycarbonyl group, or a cycloalkyloxycarbonyl group; and R.sub.2 represents a lower alkyl group, a cycloalkyl group, or the group shown by the formula ##STR2## wherein R.sub.3 represents a hydrogen atom or a lower alkyl group and R.sub.4 represents a hydrogen atom, a hydroxy group, or a lower alkoxy group and the pharmaceutically acceptable nontoxic salts thereof. These compounds are antiasthmatic agents useful for the prophylaxis and treatment of asthma.
揭示了一种新颖的4-取代氨基-α-氨甲基苄醇衍生物,其化学式如下:##STR1##其中X代表卤素原子;Y代表氢原子或卤素原子;R.sub.1代表较低的烷基基团,羰酰基团,一种或二种较低的烷基取代的羰酰基团,苯基取代的羰酰基团,较低的烷氧羰基团,较低的烷氧基取代的较低的烷氧羰基团,苯基取代的较低的烷氧羰基团,或环烷氧羰基团;R.sub.2代表较低的烷基基团,环烷基团,或由以下式表示的基团##STR2##其中R.sub.3代表氢原子或较低的烷基基团,R.sub.4代表氢原子、羟基或较低的烷氧基,及其药用上可接受的无毒盐。这些化合物是用于预防和治疗哮喘的抗哮喘剂。