Design and synthesis of a series of combined vasodilator-.beta.-adrenoceptor antagonists based on 6-arylpyridazinones
作者:R. A. Slater、W. Howson、G. T. G. Swayne、E. M. Taylor、D. R. Reavill
DOI:10.1021/jm00397a013
日期:1988.2
synthesized and evaluated as combined vasodilator/beta-adrenoceptor antagonists and potential antihypertensive agents. Many of the early compounds displayed an unacceptably high level of intrinsic sympathomimetic activity (ISA) and a relatively short duration of action. Disubstitution in the 2,3-positions or in the 4-position of the aryloxy ring gave compounds with low ISA levels and, in some instances,
已经合成了一系列新的6- [4-[[((芳氧基)酰基]氨基]苯基] -4,5-二氢吡啶并酮,并被评估为血管扩张剂/β-肾上腺素能受体拮抗剂和潜在的降压药。许多早期化合物显示出高水平的固有拟交感神经活性(ISA)和相对较短的作用时间。在芳氧基环的2,3-位或4-位二取代得到的化合物具有较低的ISA水平,并且在某些情况下改善了作用时间。所有这些化合物都是血管扩张药,但5-甲基哒嗪酮衍生物的抗高血压活性始终高于其5-H较低的同系物。