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4-溴-2-环戊烯砜酯化衍生物的合成
Synthesis of 4-Bromo-2-sulfolene Ester Derivatives
【摘要】 以3,4-二溴环戊砜(1)为原料,在无水吡啶作用下发生消除反应,得到反应中间体4-溴-2-环戊烯砜(2),再分别与一系列取代苯甲酸盐3a~3c以及茜素黄GG(3d)发生酯化反应,合成出4种新环戊烯砜衍生物4a~4d,并用IR,1HNMR,MS,元素分析等表征了它们的结构.
【Abstract】 3,4-Dibromosulfolane (1) was treated with pyridine to form 4-bromo-2-sulfolene (2) by elimina- tion reaction. 4-Bromo-2-sulfolene (2) reacted with substituted benzoic acid salts 3a~3c or alizarin yellow (3d) to give four novel allylic substitution products 4a~4d by esterification reaction, respectively. These novel compounds 4a~4d were determined by IR, 1H NMR, MS spectra and elemental analysis.
【关键词】 3,4-二溴环戊砜;
4-溴-2-环戊烯砜;
取代苯甲酸盐;
茜素黄GG;
酯化反应;
【Key words】 3,4-dibromosulfolane; 4-bromo-2-sulfolene; substituted benzoic acid salt; alizarin yellow; es- terification;
【Key words】 3,4-dibromosulfolane; 4-bromo-2-sulfolene; substituted benzoic acid salt; alizarin yellow; es- terification;
【基金】 国家自然科学基金(Nos.20231020,20471020)资助项目.
- 【文献出处】 有机化学 ,Chinese Journal of Organic Chemistry , 编辑部邮箱 ,2006年02期
- 【分类号】O621.3
- 【被引频次】1
- 【下载频次】183