Sulfonic acid supported on hydroxyapatite-encapsulated-γ-Fe2O3 nanocrystallites as a magnetically separable catalyst for one-pot reductive amination of carbonyl compounds

Jia Deng; Li-Ping Mo; Fei-Yang Zhao; Lan-Lan Hou; Li Yang; Zhan-Hui Zhang

doi:10.1039/C1GC15470B

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Sulfonic acid supported on hydroxyapatite-encapsulated-γ-Fe₂O₃ nanocrystallites as a magnetically separable catalyst for one-pot reductive amination of carbonyl compounds†

Jia Deng,^a Li-Ping Mo,^a Fei-Yang Zhao,^a Lan-Lan Hou,^a Li Yang^a and Zhan-Hui Zhang*^a

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* Corresponding authors

^a Key Laboratory of Inorganic Nanomaterial of Hebei Province, The College of Chemistry & Material Science, Hebei Normal University, Shijiazhuang, China
E-mail: zhanhui@mail.nankai.edu.cn

Abstract

A novel, environmentally friendly procedure has been developed for the preparation of secondary or tertiary amines by one-pot reductive amination of carbonyl compounds using sodium borohydride in the presence of a magnetically recoverable sulfonic acid supported on hydroxyapatite-encapsulated-γ-Fe₂O₃ [γ-Fe₂O₃@HAP-SO₃H] at room temperature. The catalyst was easily separated from the reaction mixture by applying an external magnet and reused for six cycles without significant loss of catalytic activity.

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Article information

DOI: https://doi.org/10.1039/C1GC15470B
Article type: Paper
Submitted: 28 Apr 2011
Accepted: 06 Jul 2011
First published: 29 Jul 2011

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Green Chem., 2011,13, 2576-2584

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Sulfonic acid supported on hydroxyapatite-encapsulated-γ-Fe₂O₃ nanocrystallites as a magnetically separable catalyst for one-pot reductive amination of carbonyl compounds

J. Deng, L. Mo, F. Zhao, L. Hou, L. Yang and Z. Zhang, Green Chem., 2011, 13, 2576 DOI: 10.1039/C1GC15470B

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