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Title: MOF-based catalysts for selective hydrogenolysis of carbon–oxygen ether bonds

Journal Article · · ACS Catalysis
 [1];  [2];  [1];  [1];  [2];  [2];  [2];  [1]
  1. Sandia National Lab. (SNL-CA), Livermore, CA (United States)
  2. Sandia National Lab. (SNL-CA), Livermore, CA (United States); Joint BioEnergy Institute, Emeryville, CA (United States)

We demonstrate that metal–organic frameworks (MOFs) can catalyze hydrogenolysis of aryl ether bonds under mild conditions. Mg-IRMOF-74(I) and Mg-IRMOF-74(II) are stable under reducing conditions and can cleave phenyl ethers containing β-O-4, α-O-4, and 4-O-5 linkages to the corresponding hydrocarbons and phenols. Reaction occurs at 10 bar H2 and 120 °C without added base. DFT-optimized structures and charge transfer analysis suggest that the MOF orients the substrate near Mg2+ ions on the pore walls. Ti and Ni doping further increase conversions to as high as 82% with 96% selectivity for hydrogenolysis versus ring hydrogenation. Thus repeated cycling induces no loss of activity, making this a promising route for mild aryl-ether bond scission.

Research Organization:
Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1236475
Report Number(s):
SAND-2015-20819J; 558247
Journal Information:
ACS Catalysis, Vol. 6, Issue 1; ISSN 2155-5435
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 74 works
Citation information provided by
Web of Science

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Phenol Catalytic Hydrogenation over Palladium Nanoparticles Supported on Metal-Organic Frameworks in the Aqueous Phase journal April 2018
An efficient approach for enhancing the catalytic activity of Ni-MOF-74 via a relay catalyst system for the selective oxidation of benzylic C–H bonds under mild conditions journal January 2018
Design Rules for Metal‐Organic Framework Stability in High‐Pressure Hydrogen Environments journal March 2019
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Aerobic Oxidation of Benzylic Hydrocarbons by Iron‐Based Metal Organic Framework as Solid Heterogeneous Catalyst journal November 2018
Synthesis of fluorescent MOFs: live-cell imaging and sensing of a herbicide journal January 2020
Exploring the multifunctionality in metal–organic framework materials: how do the stilbenedicarboxylate and imidazolyl ligands tune the characteristics of coordination polymers? journal January 2018
Stimuli-Responsive DNA-Functionalized Metal-Organic Frameworks (MOFs) journal December 2016
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Nanoparticle/Metal–Organic Framework Composites for Catalytic Applications: Current Status and Perspective journal November 2017