氯铝酸离子液体中Glyoxylate-Ene反应合成α-羟基酯 |
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作者姓名: | 沈振陆 何锡君 莫卫民 谢翼 胡宝祥 孙楠 |
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作者单位: | 浙江工业大学化学工程与材料学院,浙江杭州,310032;浙江工业大学化学工程与材料学院,浙江杭州,310032;浙江工业大学化学工程与材料学院,浙江杭州,310032;浙江工业大学化学工程与材料学院,浙江杭州,310032;浙江工业大学化学工程与材料学院,浙江杭州,310032;浙江工业大学化学工程与材料学院,浙江杭州,310032 |
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基金项目: | 浙江省自然科学基金(Y404058)资助项目 |
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摘 要: | The chloroaluminate ionic liquid, composed of AlCl3 and 1-butyl-3-methylimidazolium chloride ([bmim]Cl), is used as the solvent and catalyst to synthesize α-hydroxy esters from alkene and glyoxylate via the glyoxylate-ene reaction. Under the reaction conditions of 15 ℃, 4 h, and AlCl3/[bmim]Cl molar ratio of 2, the ethyl α-hydroxy-4-phenyl-4-pentenoate with high yield (95.2%) is obtained in the reaction of α-methyl styrene and ethyl glyoxylate. Other α-hydroxy esters can also be obtained in high yields through the glyoxylate-ene reaction. Moreover, the chloroaluminate ionic liquid can be reused several times.
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关 键 词: | glyoxylate-ene反应 离子液体 α-羟基酯 氯化铝 乙醛酸酯 |
文章编号: | 0253-9837(2006)03-0197-03 |
收稿时间: | 2005-10-19 |
修稿时间: | 2005-10-19 |
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