Journal
GREEN CHEMISTRY
Volume 20, Issue 6, Pages 1193-1198Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7gc03858e
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Funding
- JSPS KAKENHI [17H03054, 15H05755, JP15H05810]
- Grants-in-Aid for Scientific Research [17H03054, 15H05810] Funding Source: KAKEN
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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 selfdecomposition at <= 110 degrees C, and are reusable. In particular, chelating substrates, such as amino alcohols, diols, triols, sugar derivatives, alkaloids, a-amino acid esters, etc., which deactivate conventional metal salt catalysts, can be used. A 100 gram scale biodiesel production was also demonstrated.
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