Liu Yu
2010
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Journal
Journal of Shenyang Ligong University
Abstract
Benzylmalonic acid was synthesized by solid-liquid phase transfer catalysis method with Benzyl chloride,diethyl malonate,and anhydrous K2CO3 as raw materials.The advantages of this method were determined as follows: mild reaction conditions,easy available raw materials and prospects for industrial applications.The effects of the category of phase transfer catalysts,reaction time,reaction temperature,the content of K2CO3 and the catalyst on chemical reaction were investigated,respectively.The results show that the best phase transfer catalyst is PEG-400.The yield of diethyl benzylmalonate can reach up to 75.84% at 2 h reaction time and 160℃ temperature conditions.FTIR contrastive analysis shows that Benzylmalonic acid has been prepared.