Structure-activity relationship of a series of phenylureas linked to 4-phenylimidazole. Novel potent inhibitors of acyl-CoA:cholesterol O-acyltransferase with antiatherosclerotic activity. 2
作者:Teiji Kimura、Nobuhisa Watanabe、Makoto Matsui、Kenji Hayashi、Hiroshi Tanaka、Issei Ohtsuka、Takao Saeki、Motoji Kogushi、Hiroko Kabayashi
DOI:10.1021/jm00063a014
日期:1993.5
(acyl-CoA:cholesterol O-acyltransferase) inhibitors with more potent antiatherosclerotic effect than N-[2-(dimethylamino)-6-[3-(5-methyl-4-phenyl-1H-imidazol-1-yl)propoxy] phenyl]-N'-pentylurea (3), a series of phenylureas linked to 4-phenylimidazole were synthesized and evaluated for in vitro inhibitory activity toward both aortic and intestinal ACATs, and for in vivo hypocholesterolemic activity. The
在我们的持续搜索中,以发现比N- [2-(二甲基氨基)-6- [3-(5-甲基-4-苯基-1H)]具有更强的抗动脉粥样硬化作用的系统可生物利用的ACAT(酰基-CoA:胆固醇O-酰基转移酶)抑制剂合成了一系列与4-苯基咪唑连接的苯基脲,合成了-imidazol-1-yl] propoxy] phenyl] -N'-pentylurea(3),并评估了其对主动脉和肠道ACAT的体外抑制活性以及体内降胆固醇药活动。通过策略性修饰3分子中的五个区域,即通过引入官能团或将碳原子交换为杂原子,研究了结构-活性关系(SAR)。SAR研究使我们能够在五个区域中选择最佳取代基,如下所示。(1)二甲氨基可转化为硝基,甲基,乙基,丙基,异丙基和氯。在初步的药代动力学研究的基础上,选择了苯脲邻位的甲基。(2)丁基,戊基,异戊基和新戊基是脲部分中较好的取代基。(3)丙氧基是桥连部分的最佳部分。(4)质子,甲基,乙