New quaternary 3-phthalimidopropylammonium conjugates of steroids were obtained by reaction of sterols (ergosterol, cholesterol, cholestanol) and bile acids (lithocholic, deoxycholic, cholic) with bromoacetic acid bromide to give sterol 3β-bromoacetates and bile acid 3α-bromoacetates, respectively. These intermediates were subjected to nuclephilic substitution with N,N-dimethyl-3-phthalimidopropylamine
通过甾醇(麦角甾醇、胆固醇、胆甾醇)和胆汁酸(石胆酸、脱氧胆酸、胆酸)与溴乙酸溴反应,分别得到甾醇 3β-溴乙酸盐和胆汁酸 3α-溴乙酸盐,从而获得了新的类固醇季 3-邻苯二甲酰亚胺丙基铵缀合物。这些中间体用 N,N-二甲基-3-邻苯二甲酰亚胺丙胺进行亲核取代,得到最终的季铵盐。通过光谱(1H-NMR、13C-NMR和FT-IR)分析、质谱(ESI-MS、MALDI)以及PM5半经验方法和B3LYP ab initio方法确认了产物的结构。已根据物质活性谱预测 (PASS) 对合成化合物的药物治疗潜力进行了评估。
Synthesis, Spectroscopic and Theoretical Studies of New Dimeric Quaternary Alkylammonium Conjugates of Sterols
New dimeric quaternary alkylammonium conjugates of sterols were obtained by two step reactions of ergosterol, cholesterol and cholestanol with bromoacetic acid bromide, followed by bimolecular nucleophilic substitution with N, N, N', N'-tetramethyl-1,3-propanediamine, N, N, N', N'', N''-pentamethyldiethylenetriamine and 3,3'-iminobis-(N, N-dimethylpropylamine). The product structures were confirmed
通过麦角甾醇、胆固醇和胆甾醇与溴乙酸溴化物的两步反应,然后用 N, N, N', N'-四甲基-1,3-丙二胺、N、 N, N', N", N" - 五甲基二亚乙基三胺和 3,3'-亚氨基双-(N, N-二甲基丙胺)。产物结构通过光谱( 1 H-NMR、 13 C-NMR、 FT-IR)分析、质谱(ESI-MS)和PM5半经验方法确定。此外,还根据物质活性谱预测 (PASS) 对合成化合物进行了计算机模拟研究。
Stein, Ricerca Scientifica, 1952, vol. 22, p. 1954