Zhang Qin-chun
2008
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Journal
Journal of Petrochemical Universities
Abstract
1-Chloro-2,4,5-trimethyl-benzene was synthesized by one-step method,unsym-trimethylbenzene as the raw material,while HCl-H2O2-CH3COOH as the catalytic activity system.By the orthorhombic experiment,the influenced factors are considered and the optimum conditions are confirmed.The experiment was carried under 60℃ for 2 h,while the mole ratio of H2O2 and unsym-trimethylbenzene is 4.5,HCl and unsym-trimethylbenzene is 4.0.The average yield was 82.8%,and the conversion rate was 98.4% while the fineness 99% under those conditions.