An aminopropylidene derivative having excellent histamine receptor antagonistic action, a compound which is useful as a pharmaceutical composition, especially as an active ingredient, having alleviated side effects in the central nervous system is described. In the aminopropylidene derivative, R1 and R2, which may be identical or different, stand for a hydrogen, a substituted carbonyl, a substituted carbonylalkyl, and acrylic acid, excluding a case where both are hydrogen; R3 and R4, which may be identical or different, stand for hydrogen, an alkyl which may be substituted with phenyl, or the like; A stands for unsubstituted or an oxo; B stands for a carbon or an oxygen; one of X and Y stands for a carbon and the other stands for a sulfur, a broken line part stands for a single bond or a double bond, and a wavy line stands for cis-form and/or trans-form.
本文描述了一种具有出色
组胺受体拮抗作用的
氨基
丙烯酰亚衍
生物,该化合物可用作制药组合物,特别是作为活性成分,具有减轻中枢神经系统副作用的功效。在
氨基
丙烯酰亚衍
生物中,R1和R2可以相同或不同,代表氢、取代的羰基、取代的羰基烷基和
丙烯酸,但不包括两者都是氢的情况;R3和R4可以相同或不同,代表氢、可以用苯基等取代的烷基;A代表未取代或氧代;B代表碳或氧;X和Y中的一个代表碳,另一个代表
硫,断线部分代表单键或双键,波浪线代表顺式和/或反式。