Selective stoichiometric and catalytic oxidation of lower alkanes in the system Co(III)-CF3COOH

Варгафтик, М. Н.; Stolyarov, I. P.; Shishkin, D. I.; Моисеев, И. И.

doi:10.1007/bf01372490

Cited by 1 publication

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“…Despite over 40 years of steady progress in the field of homogeneous hydrocarbon functionalization, the development of stable and active catalysts for economically viable functionalization of lower hydrocarbons remains an important challenge . A key consideration for large-scale hydrocarbon oxidation, such as oxidation of alkanes or olefins derived from petroleum or natural gas, is the identity of the oxidant.…”

Section: Introductionmentioning

confidence: 99%

Aerobic Epoxidation of Olefin by Platinum Catalysts Supported on Mesoporous Silica Nanoparticles

et al. 2016

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We report platinum catalysts for the efficient aerobic oxidation of olefins to form epoxides and/or derived glycol monoethers. The catalystsdiaqua and dichloro Pt II complexes supported by the ligand di(2-pyridine)methanesulfonate (dpms)are most active when they are covalently tethered to mesoporous silica nanoparticles (MSNs). Supporting the molecular Pt complexes on the MSNs prevents bimolecular catalyst deactivation. Using this strategy, >40 000 turnovers are achieved for the aerobic oxidation of norbornene in 2,2,2-trifluoroethanol. The position of the tether and the nature of other ligands in the metal coordination sphere (aqua, hydroxo, or chloro) are shown to affect the catalyst activity. The new MSN-supported Pt materials were characterized by nuclear magnetic resonance (NMR) spectroscopy, nitrogen physisorption, powder X-ray diffraction (PXRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and thermogravimetric analysis (TGA).

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Section: Introductionmentioning

confidence: 99%