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Exceptionally Stable Rh-based Molecular Catalyst Heterogenized on a Cationically charged Covalent Triazine Framework Support for Efficient Methanol Carbonylation

Abstract

Direct carbonylation of methanol into methyl acetate and acetic acid using Rh-based heterogeneous catalysis is of great interest due to the effective levels of activity and stability. Here, a Rh-based molecular catalyst heterogenized on a charged 1, 3-bis(pyridyl) imidazolium-based covalent triazine framework (Rh-bpim-CTF) was synthesized and characterized to have a single-site distribution of metal molecular species throughout the support by its ligation to abundant N atom sites. Methanol carbonylation was performed using the Rh-bpim-CTF catalyst in plug-flow reaction in a gas phase, affording a turnover frequency up to 3693 h-1 and productivity of 218.9 mol kg-1 h-1 for acetyl products with high stability.

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Publication details

The article was received on 09 Feb 2018, accepted on 01 Apr 2018 and first published on 17 Apr 2018


Article type: Paper
DOI: 10.1039/C8CY00294K
Citation: Catal. Sci. Technol., 2018, Accepted Manuscript
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    Exceptionally Stable Rh-based Molecular Catalyst Heterogenized on a Cationically charged Covalent Triazine Framework Support for Efficient Methanol Carbonylation

    K. Park, S. Lim, J. H. Baik, H. Kim, K. Jung and S. Yoon, Catal. Sci. Technol., 2018, Accepted Manuscript , DOI: 10.1039/C8CY00294K

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