Journal
GREEN CHEMISTRY
Volume 17, Issue 5, Pages 3010-3017Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5gc00326a
Keywords
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Funding
- 973 Program [2012CB215306]
- NSFC [21325208, 21172209, 21272050]
- CAS [KJCX2-EW-J02]
- SRFDP [20123402130008]
- FRFCU
- PCSIRT
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Direct hydrogenolysis of the aromatic C-sp2-O bonds in both phenols and phenyl ethers to form arenes selectively is a core enabling technology that can expand greatly the scope of chemical manufacture from biomass. However, conventional hydrogenolysis of phenols typically led to aromatic ring saturation instead of the cleavage of the C-sp2-O bonds. Herein, we report a recyclable Ru-WOx bifunctional catalyst that showed high catalytic activities for the hydrogenolysis of a wide range of phenols and phenyl ethers, including dimeric lignin model compounds and the primitive phenols separated from pyrolysis lignin, to form arenes selectively in water. Preliminary mechanistic studies supported that the reactions occurred via a direct cleavage of the C-sp2-O bonds and the concerted effects of the hydrogenating Ru sites and the Lewis acidic W sites are the key to such an unusual reactivity.
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