Synthesis and biological activity of N6-(p-sulfophenyl)alkyl and N6-sulfoalkyl derivatives of adenosine: water-soluble and peripherally selective adenosine agonists.
作者:Kenneth A. Jacobson、Olga Nikodijevic、Xiao Duo Ji、Deborah A. Berkich、David Eveleth、Reginald L. Dean、Kenichiro Hiramatsu、Neal F. Kassell、Philip J. M. Van Galen
DOI:10.1021/jm00100a020
日期:1992.10
of N6-(p-sulfophenyl)alkyl and N6-sulfoalkyl derivatives of adenosine was synthesized, revealing that N6-(p-sulfophenyl)adenosine (10b) is a moderately potent (Ki vs [3H]PIA in rat cortical membranes was 74nM) and A1-selective (120-fold) adenosine agonist, of exceptional aqueous solubility of > 1.5 g/mL (approximately 3 M). Compound 10b was very potent in inhibiting synaptic potentials in gerbil hippocampal
合成了一系列腺苷的 N6-(对磺基苯基)烷基和 N6-磺基烷基衍生物,表明 N6-(对磺基苯基)腺苷 (10b) 是一种中等有效的 (Ki vs [3H]PIA 在大鼠皮质膜中的74nM)和 A1 选择性(120 倍)腺苷激动剂,具有 > 1.5 g/mL(约 3 M)的出色水溶性。化合物 10b 在抑制沙鼠海马切片中的突触电位方面非常有效,IC50 为 63 nM。大鼠腹腔注射剂量为 0.1 mg/kg,1 小时后 10b 抑制 85% 的脂肪分解(外周 A1 效应)。使用外周选择性 A1 拮抗剂 1,3-二丙基-8-[对-(羧乙炔基)苯基]黄嘌呤 (BW1433) 可以逆转这种体内效应。NIH Swiss 小鼠 (ip) 中相同剂量的 10b 在运动抑制中几乎不活跃,当由较低剂量的其他强效腺苷激动剂如 N6-环己基腺苷 (CHA) 引发时,这种作用已被证明是中枢介导的 (Nikodijevic