微波辐射下单质碘催化合成苯甲醛乙二醇缩醛  

Synthesis of benzaldehyde glycol acetal with iodine as catalyst under microwave irradiation

作　　者：易静[1] 李群丽[1] 施超[1] 陈贵娣[1] 陈连清[1] 

机构地区：[1]中南民族大学化学与材料科学学院,催化材料科学国家民委暨教育部共建重点实验室,湖北武汉430074

出　　处：《天津化工》2010年第1期25-26,共2页Tianjin Chemical Industry

基　　金：中南民族大学自然科学基金资助项目(YZZ07007)

摘　　要：微波辐射下以单质碘为催化剂无溶剂合成了苯甲醛乙二醇缩醛,试验了微波辐射功率、微波辐射时间、原料配比、催化剂用量对产率的影响,最佳条件为:辐射功率为259W,反应时间为6.0min,苯甲醛与乙二醇的物质的量比为1∶1.8,单质碘用量为2.5%,产率可达86.7%。Benzaldehyde glycol acetal was solvent-free synthesized from benzaldehyde and glycol with iodine as catalyst under microwave irradiation.The effects of microwave irradiation power, microwave irradiation time, reactant ratio,and amount of catalyst on the yield of benzaldehyde glycol acetal were studied.The results showed that the optimum reaction conditions are as follows：microwave irradiation power was 259 W,reaction time was 6.0 min,the molar ratio of benzaldehyde and glycol was 1：1.8 and amount of iodine was 2.5% ,the yield was up to 86.7%.

关 键 词：微波辐射 合成 苯甲醛乙二醇缩醛 碘 

分 类 号：O623.54[理学—有机化学]