Synthesis and Evaluation of Phosphodiesterase IV Inhibitory Potency of Isocarbostyril Derivatives of Naturally Occurring Isocoumarins, Scoparines A and B
Eight isocarbostyrilderivatives bearing n-propyl substituent at the 3-position were prepared from the naturally occurring isocoumarins, scoparines A and B. Their phosphodiesterase IV (PD-4) inhibitory potency were evaluated by the vascular relaxation response in the mesenteric artery. Eight derivatives showed vascular relaxation response, probably relating with PD-4 inhibitory. However, these responses
由天然存在的异香豆素、东莨菪碱 A 和 B 制备了 8 种在 3 位带有正丙基取代基的异喹啉衍生物。它们的磷酸二酯酶 IV (PD-4) 抑制效力通过肠系膜动脉中的血管舒张反应来评估。八种衍生物显示血管舒张反应,可能与 PD-4 抑制有关。然而,这些反应比已知的 PD-4 抑制剂 (Ro201724) 弱。