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A practical and concise homogeneous nickel catalyst for efficient solvent-free synthesis of γ-valerolactone

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Abstract

Here, we report an inexpensive nickel-phosphine complex that can catalyse neat levulinic acid (LA) to γ-valerolactone (GVL) without additive at 1 atm H2, and the catalyst can be reduced to 0.01 mol% at 30 atm. 5.8 kg LA was successfully converted to GVL in a yield of 94% with 0.1 mol% catalyst. DFT calculations and in situ APXPS indicate that L–Ni+–H species are the key active intermediates.

Graphical abstract: A practical and concise homogeneous nickel catalyst for efficient solvent-free synthesis of γ-valerolactone

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Article information


Submitted
13 Mar 2020
Accepted
14 May 2020
First published
15 May 2020

Green Chem., 2020, Advance Article
Article type
Communication

A practical and concise homogeneous nickel catalyst for efficient solvent-free synthesis of γ-valerolactone

B. Zada, R. Zhu, B. Wang, J. Liu, J. Deng and Y. Fu, Green Chem., 2020, Advance Article , DOI: 10.1039/D0GC00763C

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