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Title: Catalytic Hydrogenolysis of the Pt-OPh Bond of a Molecular Pt(II) Complex using Silica Supported Pd, Rh and Pt Nanoparticles

Journal Article · · ChemCatChem
 [1];  [2];  [2];  [2];  [2];  [2]; ORCiD logo [2]
  1. University of Virginia, Charlottesville, VA (United States); OSTI
  2. University of Virginia, Charlottesville, VA (United States)
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We report silica-supported Pd, Rh and Pt metal nanoparticles catalyze the hydrogenolysis of the Pt-OPh bond of (tbpy)Pt(OPh)Cl to release PhOH. Based on kinetic studies monitored by 1H NMR spectroscopy, the reactivity trend is Pd>Rh>Pt. Kinetic studies with Pd/SiO2 are consistent with a first-order dependence on the catalyst and the molecular Pt(II) complex (tbpy)Pt(OPh)Cl. Using TEM-EDS mapping and ICP-OES measurements of a recovered Pd catalyst, after 1hour of hydrogenolysis of (tbpy)Pt(OPh)Cl, approximately 10–16 % Pt deposition (relative to Pd mol %) on the Pd/SiO2 surface was quantified.

Research Organization:
University of Virginia, Charlottesville, VA (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division (CSGB)
Grant/Contract Number:
SC0000776
OSTI ID:
1976294
Journal Information:
ChemCatChem, Journal Name: ChemCatChem Journal Issue: 18 Vol. 14; ISSN 1867-3880
Publisher:
ChemPubSoc EuropeCopyright Statement
Country of Publication:
United States
Language:
English

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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
heterogeneous
homogeneous
hydrogenolysis
nanoparticles