Various asymmetric or cyclic ester derivatives of the phosphonic acid moiety in the calcium antagonist fostedil (KB-944) were synthesized. The coronary vasodilator activity of these compounds was assessed by Langendorff's method. Among them, the ethyl isopropyl ester 12 showed the most potent activity, which was comparable to that of fostedil.
合成了
钙拮抗剂福塞地尔(KB-944)中
膦酸部分的各种不对称或环状
酯衍
生物。这些化合物的
冠状血管舒张活性通过Langendorff方法评估。在它们当中,乙基
异丙基丙酸酯12表现出最强的活性,这与
福司地尔相当。