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用微波辐照方法研究了苯偶姻与乙二醇或巯基乙醇在酸催化下的缩合反应 .结果表明 ,反应速度加快 (与传统的加热方法相比 ,反应时间缩短约 30 0倍 ) ,产率提高 .提供了一种简便快速合成标题化合物的方法 ,并对反应机理进行了讨论 .
The condensation reaction of benzoin with ethylene glycol or mercaptoethanol under acid catalysis was studied by microwave irradiation.The results showed that the reaction speed was accelerated (the reaction time was shortened by about 30 times compared with the traditional heating method) Provides a simple and rapid method for the synthesis of the title compound and the reaction mechanism is discussed.