Optimization of Catalyst for the Alkylation Reaction of Benzene and p-Chlorobenzyl Chloride by HighPerformance Liquid Chromatography

Chinese Journal of Applied Chemistry ›› 1997, Vol. 0 ›› Issue (6): 66-68.

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Optimization of Catalyst for the Alkylation Reaction of Benzene and p-Chlorobenzyl Chloride by HighPerformance Liquid Chromatography

Liu Hongxia¹, Zhang Shusheng¹, Yuan Zhuobin²

1. Center of Analysis and Test, Zhengzhou University, Zhengzhou;
2. Graduate School, University of Science and Technology of China, Chinese Academy of Sciences, Beijing 100039

Received:1997-03-31 Revised:1997-09-05 Published:1997-12-10 Online:1997-12-10

Abstract

Abstract: The high-performance liquid chromatography(HPLC)has been used for quantitative determination of o,m,P-chlorodiphenylmethane(CDPM)from the reaction products of benzene with P-chlorobenzyl chloride for P-CDPM preparation. The detection limits of the method for o,m,P-CDPM were 0.35, 0.40 and 0.32 mg/L, respectively. The method was applied to gain the optimum constitution of the catalysts used in the preparation. The results showed that nitro compounds could prevent the decomposition of diphenylmethane and its chloride. The yield of PCDPM was higher than 96%, when AlCl₃(4g)+EtNO₂(1.5 mL)were used as catalyst.

Key words: chlorodiphenylmethane, preparation, aluminium trichloride, nitrobenzene, nitroethane, HPLC

Liu Hongxia, Zhang Shusheng, Yuan Zhuobin. Optimization of Catalyst for the Alkylation Reaction of Benzene and p-Chlorobenzyl Chloride by HighPerformance Liquid Chromatography[J]. Chinese Journal of Applied Chemistry, 1997, 0(6): 66-68.

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Optimization of Catalyst for the Alkylation Reaction of Benzene and p-Chlorobenzyl Chloride by HighPerformance Liquid Chromatography

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