Di-methyl carbonate transesterification with EtOH over MOFs: Basicity and synergic effect of basic and acid active sites

Luca Desidery, Somboon Chaemcheun, Mekhman Yusubov, Francis Verpoort

Research School of Chemistry & Applied Biomedical Sciences

Research output: Contribution to journal › Article

Abstract

The catalytic activity of metal-organic frameworks (MOFs) towards the transesterification of dimethyl carbonate with ethanol has been unprecedented assessed. The relation between the catalytic activity and the amount of base active sites has been proved as well as the inability of the Lewis acid sites alone to catalyze this transesterification. The synergic effect of both acid and base sites cannot be completely excluded and a plausible reaction mechanism has been proposed. MOF-808 resulted to be more efficient than every heterogeneous commercial catalyst. MOF-808 can be recycled up to 4 times with exceptional retention of both catalytic activity and crystal structure.

Original language	English
Pages (from-to)	82-85
Number of pages	4
Journal	Catalysis Communications
Volume	104
DOIs	https://doi.org/10.1016/j.catcom.2017.10.022
Publication status	Published - 10 Jan 2018

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Keywords

Acid/base active sites
Diethyl carbonate
Dimethyl carbonate
Ethyl methyl carbonate
MOFs

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Process Chemistry and Technology

Cite this

Desidery, L., Chaemcheun, S., Yusubov, M., & Verpoort, F. (2018). Di-methyl carbonate transesterification with EtOH over MOFs: Basicity and synergic effect of basic and acid active sites. Catalysis Communications, 104, 82-85. https://doi.org/10.1016/j.catcom.2017.10.022

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AB - The catalytic activity of metal-organic frameworks (MOFs) towards the transesterification of dimethyl carbonate with ethanol has been unprecedented assessed. The relation between the catalytic activity and the amount of base active sites has been proved as well as the inability of the Lewis acid sites alone to catalyze this transesterification. The synergic effect of both acid and base sites cannot be completely excluded and a plausible reaction mechanism has been proposed. MOF-808 resulted to be more efficient than every heterogeneous commercial catalyst. MOF-808 can be recycled up to 4 times with exceptional retention of both catalytic activity and crystal structure.

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Access to Document

10.1016/j.catcom.2017.10.022