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Ru/hydroxyapatite as a dual-functional catalyst for efficient transfer hydrogenolytic cleavage of aromatic ether bonds without additional bases

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Abstract

Cleavage of aromatic ether bonds is a key step for lignin valorization, and the development of novel heterogeneous catalysts with high activity is crucial. Herein, bifunctional Ru/hydroxyapatite has been prepared via ion exchange and subsequent reduction. The obtained Ru/hydroxyapatite could efficiently catalyze the cleavage of various compounds containing aromatic ether bonds via transfer hydrogenolysis without additional bases. Systematic studies indicated that the basic nature of hydroxyapatite and electron-enriched Ru sites resulted in the high activity of the catalyst. A mechanism study revealed that the direct cleavage of aromatic ether bonds was the main reaction pathway.

Graphical abstract: Ru/hydroxyapatite as a dual-functional catalyst for efficient transfer hydrogenolytic cleavage of aromatic ether bonds without additional bases

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Publication details

The article was received on 09 Jul 2019, accepted on 09 Aug 2019 and first published on 12 Aug 2019


Article type: Paper
DOI: 10.1039/C9GC02336D
Green Chem., 2019, Advance Article

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    Ru/hydroxyapatite as a dual-functional catalyst for efficient transfer hydrogenolytic cleavage of aromatic ether bonds without additional bases

    M. Hua, J. Song, C. Xie, H. Wu, Y. Hu, X. Huang and B. Han, Green Chem., 2019, Advance Article , DOI: 10.1039/C9GC02336D

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