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Issue 5, 2017
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Chlorohydrination of allyl chloride with HCl and H2O2 catalyzed by hollow titanium silicate zeolite to produce dichloropropanol

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Abstract

Overall, over 95% of epichlorohydrin is industrially manufactured via the chlorohydrination route with hazardous Cl2 as a reagent, which brings serious operation and pollution problems. Herein, we describe a novel Cl2-free process for the synthesis of dichloropropanols from allyl chloride with H2O2 and HCl catalyzed by hollow titanium silicate zeolite under mild conditions. A high conversion and overall dichloropropanol selectivity exceeding 95% are simultaneously achieved, and the heterogeneous catalyst is highly stable and amenable for reuse. Comprehensive experimental and spectroscopic data suggest that the Lewis acidity of the framework Ti species has a synergistic effect with the Brønsted acidity of HCl that promotes the epoxidation of allyl chloride and the ring opening of the epoxy groups.

Graphical abstract: Chlorohydrination of allyl chloride with HCl and H2O2 catalyzed by hollow titanium silicate zeolite to produce dichloropropanol

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Article information


Submitted
01 Nov 2016
Accepted
15 Dec 2016
First published
15 Dec 2016

Green Chem., 2017,19, 1221-1225
Article type
Communication

Chlorohydrination of allyl chloride with HCl and H2O2 catalyzed by hollow titanium silicate zeolite to produce dichloropropanol

X. Peng, C. Xia, M. Lin, H. Yuan, B. Zhu, Y. Zhang, B. Wang and X. Shu, Green Chem., 2017, 19, 1221
DOI: 10.1039/C6GC03005J

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