contractions in mouse vas deferens (MVD) preparations (IC50 = 0.45 microM). A number of conformationally restrained heterocyclic analogues of pravadoline were synthesized in which the morpholinoethyl side chain was tethered to the indole nucleus. Restraining the morpholine diminished the ability of these pravadoline analogues to inhibit prostaglandin synthesis in vitro. In contrast, mouse vas deferens inhibitory
Pravadoline(1)是一种(
氨基烷基)
吲哚镇痛药,它是环氧合酶的
抑制剂,与其他N
SAID相比,抑制小鼠输精管(MVD)制剂中神经刺激的收缩(IC50 = 0.45 microM)。合成了许多pravadoline的受构象限制的杂环类似物,其中吗啉代乙基侧链束缚在
吲哚核上。抑制吗啉会降低这些pravadoline类似物在体外抑制
前列腺素合成的能力。相反,在[2,3-二氢-5-甲基-3-[(4-吗啉基)甲基]
吡咯并[1,2,3-de] -1,4-苯并恶嗪-6中增强了小鼠输精管的抑制活性。 -基]-(4-
甲氧基苯基)亚甲基(20)。仅20的R对映体具有活性(IC 50 =0.044μM)。在研究的类似物中,吗啉氮对于MVD抑制活性的最佳方向是在右下象限,在
吲哚环定义的平面下方。(20)和最有效的类似物(R)-(+)-[2,3-二氢-5-甲基-3-[(4-吗啉基)甲基]
吡咯[1,2,制备3-de]