Issue 5, 2024

Preparation of reusable copper-based biomass-carbon aerogel catalysts and their application in highly selective reduction of maleimides to succinimides with hydrosilane as a hydrogen source

Abstract

Selective reduction is one of the most essential and frequently used transformations in organic synthesis. In this work, we developed a novel copper-based biomass-carbon aerogel catalyst (Cu(OTf)2@CAC) as a highly efficient and selective catalyst for maleimide reduction with hydrosilane as a hydrogen source for the first time. A strategy integrating chitin dissolution, nanofibrous regeneration, aerogel construction, and customizable carbonization was designed for the reduction of copper trifluoromethane sulfonate (Cu(OTf)2) to Cu(0) and Cu(I) on the CAC. The Cu(OTf)2@CAC exhibited excellent catalytic activity, chemo-selectivity, and recyclability for selective maleimide reduction to succinimides under mild conditions. Moreover, the Cu(OTf)2@CAC can be reused six times without noticeably losing activity. This work provides a representative and referential approach to achieve efficient catalytic conversion based on the reprocessing and customizable treatment of waste biomass resources.

Graphical abstract: Preparation of reusable copper-based biomass-carbon aerogel catalysts and their application in highly selective reduction of maleimides to succinimides with hydrosilane as a hydrogen source

Supplementary files

Article information

Article type
Paper
Submitted
30 nov 2023
Accepted
29 dez 2023
First published
10 jan 2024

Green Chem., 2024,26, 2592-2598

Preparation of reusable copper-based biomass-carbon aerogel catalysts and their application in highly selective reduction of maleimides to succinimides with hydrosilane as a hydrogen source

S. Lv, Z. Yuan, J. Zheng, Z. Liu, J. Ye, J. Li, S. Xu, F. Xie, D. Ye and B. Li, Green Chem., 2024, 26, 2592 DOI: 10.1039/D3GC04697D

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