申请人:TEIKOKU CHEMICAL INDUSTRIES CO., LTD.
公开号:EP0479665A2
公开(公告)日:1992-04-08
A compound represented by the formula (I) :
where A is a phenyl group substituted at least with a nitro group ; B is a group represented by the formula :
[where R1 and R2 are, the same or different, a lower alkyl group or a benzyl group which may be substituted with a halogen atom, or they may be combined, together with the adjacent nitrogen atom, through or not through an oxygen atom to form a six-membered ring or through a nitrogen atom to form a group represented by the formula :
(where R3 is a lower alkyl group, a phenyl or benzyl group which may be substituted with a halogen atom, or a diphenylmethyl group)] ; and R is a hydrogen atom or a lower alkyl group ,or a salt thereof. This compound or a salt thereof is effective as an antihypertensive agent.
由式 (I) 所代表的化合物:
其中 A 是至少被硝基取代的苯基;B 是由式(I)代表的基团:
[其中 R1 和 R2 相同或不同,均为低级烷基或苄基,可被卤素原子取代,也可与相邻的氮原子结合,通过或不通过氧原子形成六元环或通过氮原子形成由式......表示的基团:
(其中 R3 为低级烷基、可被卤素原子取代的苯基或苄基或二苯基甲基)];R 为氢原子或低级烷基或其盐。该化合物或其盐可作为有效的降压药。