The invention provides a compound of formula I
in which R' and R2 each is hydrogen or lower alkyl; R3 and R4 each is hydrogen, lower alkyl, halo, nitro, trifluoromethyl or lower alkoxy; R5 and R6 each is hydrogen or lower alkyl or R5 and R6 together with the nitrogen atom to which they are attached form a pyrrol-1-yl, piperidin-1-yl or morpholin-4-yl; m is 2 or 3; and n is 1 or 2; or a therapeutically acceptable acid addition salt thereof.
The compounds of formula I are diuretic agents and also find use as anti-hypertensive agents. Pharmaceutical compositions containing the compounds of formula I are also included in the invention as are processes for their preparation and intermediates for compounds of formula I.
本发明提供了一种式 I 的化合物
其中 R' 和 R2 分别为氢或低级烷基;R3 和 R4 分别为氢、低级烷基、卤代、硝基、三
氟甲基或低级烷氧基;R5 和 R6 分别为氢或低级烷基,或 R5 和 R6 与它们所连接的氮原子一起形成
吡咯-1-基、
哌啶-1-基或吗啉-4-基;m 为 2 或 3;n 为 1 或 2;或其治疗上可接受的酸加成盐。
式 I 的化合物是利尿剂,也可用作抗高血压剂。本发明还包括含有式 I 化合物的药物组合物,以及其制备工艺和式 I 化合物的中间体。