Synthesis and pharmacological activity of α,β-unsaturated ketones of the imidazo[1,2-a]benzimidazole series
作者:Yu. A. Zhdanov、G. V. Kovalev、V. A. Anisimova、A. A. Spasov、N. I. Avdyunina、V. G. Alekseeva、E. L. Korol'、I. A. Barchan、I. D. Ionov、V. V. Shaidrov
DOI:10.1007/bf00833351
日期:1985.4
It has earlier been shown [i] that some =,8-unsaturated ketones of the imidazo[l,2-a]benzimidazole series, which are readily obtained by condensing 3-acetylimidazo[l,2-a]benzimidazoles with aromatic aldehydes in the presence of catalytic amounts of alkali, also possess hypotensive activity. Accurate evaluation of the latter was however hampered by the insolubility of the test samples in water. We have
早先已经表明 [i] 咪唑并 [l,2-a] 苯并咪唑系列的一些 =,8-不饱和酮,它们很容易通过 3-乙酰咪唑并[l,2-a] 苯并咪唑与芳香醛在在催化量的碱的存在下,也具有降压活性。然而,后者的准确评估受到测试样品在水中的不溶解性的阻碍。我们继续致力于合成咪唑并[1,2-a]苯并咪唑系列中的此类酮,并研究了它们的药理活性。首先,通过在咪唑并苯并咪唑核的9-位引入二烷基氨基烷基,得到3-(~-芳基丙烯酰基)-9-二烷基氨基乙基-2苯基(甲基)-咪唑并[l],研究了制备上述化合物水溶性类似物的可能性。 ,2-a]苯并咪唑 (lla-j), 或碳水化合物残基代替 =,8-不饱和酮基团的芳基。在后一种情况下,获得以下 C-葡糖基化酮:3-[~-(1,2,3,4-二-O-亚环己基-D-葡糖-1,2,3,4四羟基丁基)丙烯酰基]-9 -methyl-2-phenylimidazo[l,2-a]benzimidazole