Switchable synthesis of furfurylamine and tetrahydrofurfurylamine from furfuryl alcohol over RANEY® nickel

RANEY® Ni proved to be an effective heterogeneous catalyst for switchable reductive amination of furfuryl alcohol to tetrahydrofurfurylamine and furfurylamine with NH 3 by simply adding or not adding 1.0 MPa H 2 into the reaction bulk. After further optimization of the reaction conditions, we finall...

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Bibliographic Details
Published in:Catalysis science & technology 2017, Vol.7 (18), p.4129-4135
Main Authors: Liu, Yingxin, Zhou, Kuo, Shu, Huimin, Liu, Haiyan, Lou, Jiongtao, Guo, Dechao, Wei, Zuojun, Li, Xiaonian
Format: Article
Language:English
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Summary:RANEY® Ni proved to be an effective heterogeneous catalyst for switchable reductive amination of furfuryl alcohol to tetrahydrofurfurylamine and furfurylamine with NH 3 by simply adding or not adding 1.0 MPa H 2 into the reaction bulk. After further optimization of the reaction conditions, we finally obtained 94.0% yield of tetrahydrofurfurylamine and 78.8% yield of furfurylamine with high selectivity. By extensively studying the catalytic pathways and mechanism of catalyst deactivation with XRD and XPS characterization, we have confirmed that an excess amount of H 2 in the reaction bulk leads to the deep hydrogenation of the furan ring while an insufficient amount of H 2 leads to the formation of Ni 3 N and the deactivation of the catalyst.
ISSN:2044-4753
2044-4761
DOI:10.1039/C7CY00981J