its derivatives (2) with halogen substituents on the fused benzene ring were synthesized. These compounds were evaluated for their effects on vertebral and coronary blood flows and antihypertensive activity. The structure-activity relationships are discussed. The 8-chloro derivative ((+)-2b), the most potent compound in this series, was selected for clinical evaluation as a cerebral vasodilating and
为了提高
地尔硫卓(1)的作用效果和持续时间,合成了1,5-苯并
硫氮杂卓
钙通道阻滞剂,其衍
生物(2)在稠合的苯环上具有卤素取代基。评估了这些化合物对椎骨和冠状动脉血流以及降压活性的影响。讨论了构效关系。选择该系列中最有效的化合物8-
氯衍
生物((+)-2b)作为脑血管扩张和降压药进行临床评估。