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Issue 21, 2018
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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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Supplementary files

Article information


Submitted
18 Jul 2018
Accepted
20 Sep 2018
First published
21 Sep 2018

Catal. Sci. Technol., 2018,8, 5396-5400
Article type
Communication

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, 8, 5396
DOI: 10.1039/C8CY01480A

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