relationship studies revealed that carbonylmethyl groups at both N-1 and N-5 positions and hydrophilic groups, such as the carboxyl group on the benzene ring attached to the ureido group at the C-3 position, brought about potent affinity and subtype selectivity for CCK-B/gastrin receptors. Several compounds showed excellent in vivo inhibition of gastric acid secretion induced by pentagastrin in anesthetized
设计,合成了一系列具有对称平面的CCK-B /胃泌素受体拮抗剂,2,4-二氧代-1,5-
苯并二氮杂卓衍
生物,并评估了其拮抗活性。构效关系研究表明,在N-1和N-5位置上的羰基甲基和亲
水基团(例如在C-3位置与
脲基相连的苯环上的羧基)带来了强大的亲和力和亚型对CCK-B /胃泌素受体的选择性。在麻醉的大鼠中,几种化合物对
五肽胃泌素诱导的胃酸分泌具有出色的体内抑制作用。