申请人:Takeda Chemical Industries, Ltd.
公开号:US05369104A1
公开(公告)日:1994-11-29
Novel compound represented by the formula: ##STR1## wherein X stands for a methine (i.e. the group --CH.dbd.) group or a nitrogen atom; R.sup.1 stands for a hydrogen atom, an optionally substituted lower alkyl group or a halogen atom; R.sup.2 and R.sup.3 respectively stand for a hydrogen atom or an optionally substituted lower alkyl group, or, taken together, may form a 5- to 7-membered ring combined with the adjacent --C.dbd.C--; R.sup.4 and R.sup.5 respectively stands for a hydrogen atom or an optionally substituted lower alkyl group or, taken together, form a 3- to 7-membered homo- or heterocyclic ring combined with the adjacent carbon atom; A stands for an optionally substituted amino group; m and n denote 1 to 4, respectively, or salts thereof which has an antiallergic, antiinflammatory and anti-PAF activity and is useful as an antiasthmatic agent.
化合物的结构式为:##STR1## 其中 X 代表一个甲烷基(即--CH.dbd.)基团或一个氮原子;R.sup.1 代表一个氢原子,一个可选择取代的低烷基基团或一个卤素原子;R.sup.2 和 R.sup.3 分别代表一个氢原子或一个可选择取代的低烷基基团,或者结合在一起,可以与相邻的--C.dbd.C--形成一个5-到7-成员环;R.sup.4 和 R.sup.5 分别代表一个氢原子或一个可选择取代的低烷基基团,或者结合在一起,可以与相邻的碳原子形成一个3-到7-成员同源或异源环;A 代表一个可选择取代的氨基基团;m 和 n 分别表示1到4,或其盐,具有抗过敏、抗炎和抗PAF活性,可用作抗哮喘药物。