Creating Hydrophobic Nanopockets in Metal–Organic Frameworks to Promote Lignin Derivatives Hydrodeoxygenation at Ambient Condition

Abstract

The construction of homogeneous-like reaction environments in the vicinity of heterogeneous active sites is an effective artificial means to recapitulate the catalytic activity of natural enzymes. In this work, we fabricated hydrophobic nanopockets in metal–organic frameworks (MOFs) and confined Pd nanoclusters in them to mimic the joint action of metal centers and proximal cofactors in enzyme catalysis. The hydrophobic microenvironment of the MOF pore was introduced by the functional group (-CH3) modification on the organic linkers, which provide noncovalent interactions for substrate enrichment and ultimately create homogeneous-like conditions for the catalyst to exert its intrinsic activity. The obtained Pd@UIO-66-CH3 composites with enhanced hydrophobic interaction exhibited a high catalytic performance of lignin-derived aromatic alcohols/aldehydes hydrodeoxygenation at ambient conditions. This work elucidates the importance of the microenvironment around the active site in catalysis and provides new ideas for designing artificial enzyme catalytic systems with substrate-specific recognition.

Supplementary files

Article information

Article type
Edge Article
Submitted
10 Jun 2025
Accepted
15 Jul 2025
First published
15 Jul 2025
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2025, Accepted Manuscript

Creating Hydrophobic Nanopockets in Metal–Organic Frameworks to Promote Lignin Derivatives Hydrodeoxygenation at Ambient Condition

Y. Liang, H. Zhou, Y. Zhao, X. Liang, Z. Chen, M. Ji and M. Wang, Chem. Sci., 2025, Accepted Manuscript , DOI: 10.1039/D5SC04236D

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