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Issue 6, 2018
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Metal-free transesterification catalyzed by tetramethylammonium methyl carbonate

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Abstract

Environmentally benign metal-free tetramethylammonium methyl carbonate is effective as a catalyst for the chemoselective, scalable, and reusable transesterification of various esters and alcohols in common organic solvents. In situ-generated highly active species, tetramethylammonium alkoxides, can greatly avoid self-decomposition at ≤110 °C, and are reusable. In particular, chelating substrates, such as amino alcohols, diols, triols, sugar derivatives, alkaloids, α-amino acid esters, etc., which deactivate conventional metal salt catalysts, can be used. A 100 gram scale biodiesel production was also demonstrated.

Graphical abstract: Metal-free transesterification catalyzed by tetramethylammonium methyl carbonate

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Publication details

The article was received on 26 Dec 2017, accepted on 13 Feb 2018 and first published on 13 Feb 2018


Article type: Communication
DOI: 10.1039/C7GC03858E
Citation: Green Chem., 2018,20, 1193-1198
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    Metal-free transesterification catalyzed by tetramethylammonium methyl carbonate

    M. Hatano, Y. Tabata, Y. Yoshida, K. Toh, K. Yamashita, Y. Ogura and K. Ishihara, Green Chem., 2018, 20, 1193
    DOI: 10.1039/C7GC03858E

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