Nonpeptide angiotensin II receptor antagonists. Synthesis and biological activity of benzimidazolecarboxylic acids
作者:Keiji Kubo、Yasuhisa Kohara、Eiko Imamiya、Yoshihiro Sugiura、Yoshiyuki Inada、Yoshiyasu Furukawa、Kohei Nishikawa、Takehiko Naka
DOI:10.1021/jm00067a016
日期:1993.7
acting angiotensin II (AII) receptor antagonist. The AII antagonistic activity of the benzimidazoles was investigated by in vitro assays, which included an AII receptor binding assay and AII-induced vasocontraction assay, as well as by in vivo assays such as an AII-induced pressor response in rats. Most of the benzimidazoles showed high affinity for the AII receptor (IC50 value, 10(-6)-10(-7) M) and inhibited
由关键中间体3-氨基-2-[[((联苯基-4-基)甲基]中间体制备了一系列2-取代的-1-[((联苯基-4-基)甲基] -1H-苯并咪唑-7-羧酸]氨基]苯甲酸酯(6a-c)以阐明2-丁基-1-[[[2'-(1H-四唑-5-基)联苯-4-基]甲基]的各种类似物的结构活性关系-1H-苯并咪唑-7-羧酸(CV-11194),一种有效的长效血管紧张素II(AII)受体拮抗剂。通过体外试验研究了苯并咪唑的AII拮抗活性,其中包括AII受体结合试验和AII诱导的血管收缩试验,以及体内试验,例如AII诱导的大鼠升压反应。大多数苯并咪唑对AII受体表现出高亲和力(IC50值为10(-6)-10(-7)M),并在1或3 mg / kg po时抑制AII诱导的升压反应,并且其作用比CV-11194和DuP 753更为有效。关于结合亲和力和抑制AII诱导的升压反应的结构-活性关系研究表明,一定长度的直链(如乙