Synthesis and cardiac electrophysiological activity of N-substituted-4-(1H-imidazol-1-yl)benzamides - new selective class III agents
作者:Thomas K. Morgan、Randall Lis、William C. Lumma、Klaus Nickisch、Ronald A. Wohl、Gary B. Phillips、Robert P. Gomez、John W. Lampe、Susan V. Di Meo
DOI:10.1021/jm00166a003
日期:1990.4
The synthesis and cardiac electrophysiological activity of 18 N-substituted imidazolylbenzamides or benzene-sulfonamides are described. Compounds 6a,d,f-k and 11 exhibited potency in the in vitro Purkinje fiber assay comparable to that of N-[2-(diethylamino)ethyl]-4- [(methylsulfonyl)amino]benzamide (1, sematilide), a potent selective class III agent which is undergoing clinical trials. These data
描述了18种N-取代的咪唑基苯甲酰胺或苯磺酰胺的合成和心脏电生理活性。化合物6a,d,fk和11在体外Purkinje纤维测定中显示出与N- [2-(二乙基氨基)乙基] -4-[(甲基磺酰基)氨基]苯甲酰胺(1,sematilide)相当的效能。正在进行临床试验的III类药物。这些数据表明1H-咪唑-1-基部分是甲基磺酰氨基的可行替代物,用于在N-取代的苯甲酰胺系列中产生III类电生理活性。在两个折返性心律不齐的体内模型中进一步研究了N- [2-(二乙氨基)乙基] -4-(1H-咪唑-1-基)苯甲酰胺二盐酸盐(6a),显示出与1。