Diphenylpropionic Acids as New AT<sub>1</sub> Selective Angiotensin II Antagonists
作者:Carmen Almansa、Luis A. Gómez、Fernando L. Cavalcanti、Alberto F. de Arriba、Ricardo Rodríguez、Elena Carceller、Julián García-Rafanell、Javier Forn
DOI:10.1021/jm9508853
日期:1996.1.1
series of potent AT1 selective diphenylpropionic acid nonpeptide angiotensin II receptor antagonists are reported. The new compounds were evaluated for in vitro AT1 (rat liver) and AT2 (rat adrenal) binding affinity as well as for in vivo inhibition of angiotensin II-induced increase in mean arterial blood pressure in pithed rats. Unsaturation of the diphenylpropionic acids as well as substitution or replacement
报道了一系列新的有效的AT1选择性二苯基丙酸非肽血管紧张素II受体拮抗剂的合成和药理学评价。评价了这些新化合物的体外AT1(大鼠肝脏)和AT2(大鼠肾上腺)结合亲和力以及体内抑制血管紧张素II诱导的成髓大鼠平均动脉血压升高。二苯基丙酸的不饱和以及侧苯环的烷基取代或取代导致效力降低。另一方面,在羧酸的α位上存在小烷基对于活性很重要,所得的非对映异构体(R *,R *)之一约为1。活跃度是其他(R *,S *)的10倍。口服速尿治疗的贫钠大鼠模型中活性最高的化合物的口服评估显示,化合物36g(UR-7198)会降低血压剂量,从而产生依赖性。该化合物显示出与参考化合物氯沙坦相似的体外和静脉内效力,但起效更快,口服活性更高,这可能是由于其生物利用度提高了。