6-[2-[4-[1H-imidazol-1-yl)phenyl]alkylenyl or alkylene-3(2H)-pyridazinones of the following formula I
and pharmaceutically acceptable acid addition salts are useful as cardiotonic and antihypertensive agents. The pyridazinone radical may be 4,5-dihydro substituted.
Pharmaceutical compositions comprising the compounds, and a process for the preparation of the compounds are also disclosed.
下式 I 的 6-[2-[4-[
1H-咪唑-1-基]苯基]亚烷基或亚烷基-3(2H)-
哒嗪酮类化合物
和药学上可接受的酸加成盐可用作强心剂和降压药。
哒嗪酮基可以是 4,5-二氢取代的。
此外,还公开了包含这些化合物的药物组合物以及制备这些化合物的工艺。