申请人:Toyo Boseki Kabushiki Kaisha
公开号:US05041462A1
公开(公告)日:1991-08-20
Novel substituted acetamide compounds of the formula ##STR1## wherein R.sup.1 is hydrogen atom, a lower alkyl group, a lower acyl group, or an aryl group; R.sup.2 is cyano group or aminocarbonyl group; R.sup.3 is a halogen atom, nitro group, a lower alkoxy group, a group of the formula: --NR.sup.4 R.sup.5 (wherein R.sup.4 is hydrogen atom, a lower alkyl group or a group of the formula: --COCH.sub.2 OR.sup.1 ; R.sup.5 is hydrogen atom or a lower alkyl group), or a cyclic amino group of the formula: ##STR2## (wherein R.sup.6 and R.sup.7 are each an alkylene group having 1 to 3 carbon atoms, and X is oxygen atom or methylene), or a pharmaceutically acceptable acid addition salt thereof, which have excellent anti-allergic activity and are useful for the prophylaxis and treatment of various allergic diseases, and a pharmaceutical composition containing the amide compound as set forth above as an active ingredient.
该专利涉及一种替代乙酰胺化合物,其化学式为 ##STR1## 其中 R.sup.1 是氢原子,低碳基,低酰基或芳基;R.sup.2 是氰基或氨基甲酰基;R.sup.3 是卤素原子,硝基,低烷氧基,公式:--NR.sup.4 R.sup.5(其中R.sup.4是氢原子,低碳基或公式:--COCH.sub.2 OR.sup.1;R.sup.5是氢原子或低碳基),或公式:##STR2##(其中R.sup.6和R.sup.7均为具有1至3个碳原子的烷基,X为氧原子或亚甲基),或其药学上可接受的酸加成盐。该化合物具有出色的抗过敏活性,可用于预防和治疗各种过敏性疾病,并且一种含有上述酰胺化合物作为活性成分的制药组合物。