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Issue 22, 2018
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A versatile biobased continuous flow strategy for the production of 3-butene-1,2-diol and vinyl ethylene carbonate from erythritol

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Abstract

A versatile, tunable and robust continuous flow procedure for the deoxydehydration (DODH) of biobased erythritol toward 3-butene-1,2-diol is described. The procedure relies on specific assets of multistep continuous flow processing. Detailed mechanistic and computational studies on erythritol show that either 3-butene-1,2-diol or butadiene are obtained in high selectivity and yield on demand, as a function of the DODH reagent/substrate ratio and of the process parameters. Short reaction times (1–15 min) at high temperature (225–275 °C) and moderate pressure are reported. 3-Butene-1,2-diol is then further converted downstream into its corresponding carbonate, i.e. 4-vinyl-1,3-dioxolan-2-one (vinyl ethylene carbonate), an important industrial building block. The carbonation step uses a supported organocatalyst, and could be directly concatenated to the first DODH step. This unprecedented procedure also relies on a unique combination of on- and off-line analytical protocols for reaction monitoring and product quantification, and offers a biobased strategy toward important industrial building blocks otherwise petrosourced.

Graphical abstract: A versatile biobased continuous flow strategy for the production of 3-butene-1,2-diol and vinyl ethylene carbonate from erythritol

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Publication details

The article was received on 06 Aug 2018, accepted on 27 Sep 2018 and first published on 27 Sep 2018


Article type: Paper
DOI: 10.1039/C8GC02468E
Citation: Green Chem., 2018,20, 5147-5157
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    A versatile biobased continuous flow strategy for the production of 3-butene-1,2-diol and vinyl ethylene carbonate from erythritol

    N. N. Tshibalonza, R. Gérardy, Z. Alsafra, G. Eppe and J. M. Monbaliu, Green Chem., 2018, 20, 5147
    DOI: 10.1039/C8GC02468E

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