Li Bin-shou
2011
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Journal
Journal of Jiangxi University of Science and Technology
Abstract
Ethyl phenyl glyoxylate is synthesised from benzene and ethyl chloride glyoxylate with anhydrous aluminum trichloride as the catalyst.The optimum conditions for the reaction are obtained as follows: n(ethyl chloride glyoxylate) =0.18 mol,the molar ratio of benzene to aluminum trichloride to ethyl chloride glyoxylate 6:1.3:1,reaction temperature 20~25 ℃,reaction time 3 h.The yield is 96.21 %,and the purity is 95.58 %(HPLC) by vacuum distillation.The structure of ethyl phenyl glyoxylate is confirmed by 1HNMR,IR,UV spectra.