Li-Xia Jing
2012
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Journal
Chinese Journal of Synthetic Chemistry
Abstract
Benzyltoluene was synthesized by the reaction of toluene with benzyl choloride using quaternary phosphonium salt/ZnCl2 as the catalyst.The optimum reaction conditions at 100 ℃ for 5 h were as follows:quaternary phosphonium salt was 9.4 mmol,n(quaternary phosphonium salt):n(benzyl choloride) was 1:40.Conversion of benzyl choloride was up to 100% and the yield of benzyltoluene reached over 95% under the optimum reaction conditions.The catalyst quaternary phosphonium salt/ZnCl2 could be reused at least 24 times.