Preparation and NMR Study of 7,7′-(<i>α</i>,<i>ω</i>-Alkanediyl)bis[theophylline], 1,1′-(<i>α</i>,<i>ω</i>-Alkanediyl)bis[theobromine], and 1,1′-(<i>α</i>,<i>ω</i>-Alkanediyl)bis[3-methyluracil]
作者:Toshio Itahara、Kazuhiko Imamura
DOI:10.1246/bcsj.67.203
日期:1994.1
containing sodium hydride gave the corresponding 7,7′-(α,ω-alkanediyl)bis[theophylline], 1,1′-(α,ω-alkanediyl)bis[theobromine], and 1,1′-(α,ω-alkanediyl)bis[3-methyluracil]. The interaction of the theophylline, theobromine, and 3-methyluracil rings of these compounds was studied based on their 1H NMR spectra, and stacking of the two purine rings of 7,7′-(α,ω-alkanediyl)bis[theophylline] was observed.
在含有氢化钠的 N,N-二甲基甲酰胺中用 X(CH2)nX (X = Br 或 I, n = 1-12) 处理茶碱、可可碱和 3-甲基尿嘧啶得到相应的 7,7'-(α, ω-烷二基)双[茶碱]、1,1'-(α,ω-烷二基)双[可可碱]和1,1'-(α,ω-烷二基)双[3-甲基尿嘧啶]。基于 1H NMR 光谱研究了这些化合物的茶碱、可可碱和 3-甲基尿嘧啶环的相互作用,并且 7,7'-(α,ω-链烷二基)双 [茶碱] 的两个嘌呤环的堆叠是观察到的。