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The sustainable heterogeneous catalytic reductive amination of lignin models to produce aromatic tertiary amines

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Abstract

A novel heterogeneous catalytic process for efficient reductive amination is developed in the presence of heterogeneous zirconium-based catalysts, in which N,N-dimethylformamide is used as the solvent, low-molecular-weight amine source and reductant. Aromatic tertiary amines have been produced from lignin-derived aromatic aldehydes via the mild Leuckart reaction with ZrO2 or ZrO(OH)2 as catalysts, for instance, a 95.8% yield of N,N-dimethyl-1-(3,4,5-trimethoxyphenyl)methanamine in a 100% selectivity is obtained from the reductive amination of 3,4,5-trimethoxybenzaldehyde under mild conditions.

Graphical abstract: The sustainable heterogeneous catalytic reductive amination of lignin models to produce aromatic tertiary amines

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Publication details

The article was received on 18 Jul 2018, accepted on 20 Sep 2018 and first published on 21 Sep 2018


Article type: Communication
DOI: 10.1039/C8CY01480A
Citation: Catal. Sci. Technol., 2018, Advance Article
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    The sustainable heterogeneous catalytic reductive amination of lignin models to produce aromatic tertiary amines

    H. Zhang, X. Tong, Z. Liu, J. Wan, L. Yu and Z. Zhang, Catal. Sci. Technol., 2018, Advance Article , DOI: 10.1039/C8CY01480A

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