Synthesis and positive inotropic activity of N-(4,5-dihydro-[1,2,4]triazolo[4,3-a]quinolin-7-yl)-2-(piperazin-1-yl)acetamide derivatives
作者:Chun-Bo Zhang、Xun Cui、Lan Hong、Zhe-Shan Quan、Hu-Ri Piao
DOI:10.1016/j.bmcl.2008.07.026
日期:2008.8
A series of N-(4,5-dihydro-[1,2,4]triazolo[4,3-a]quinolin-7-yl)-2-(piperazin-1-yl)acetamide derivatives were synthesized and their positive inotropic activity was evaluated by measuring left atrium stroke volume on isolated rabbit heart preparations. Several compounds showed favorable activity compared with the standard drug, milrinone, among which N-(1-benzyl-4,5-dihydro-[1,2,4]triazolo[4,3-a]qui
合成了一系列的N-(4,5-二氢-[1,2,4]三唑并[4,3-a]喹啉-7-基)-2-(哌嗪-1-基)乙酰胺衍生物,它们的阳性反应通过测量离体兔心脏制剂的左心房搏动量来评估肌力活性。与标准药物米力农相比,几种化合物表现出良好的活性,其中N-(1-苄基-4,5-二氢-[1,2,4]三唑并[4,3-a]喹啉-7-基)-在我们的体外研究中,发现2-(4-苄基哌嗪-1-基)乙酰胺6j最有效,在3x10(-5)M的浓度下,每搏输出量增加13.2%(米力农4.7%)。在这项工作中,还评估了具有正性变力作用的那些化合物的变时性作用。