期刊
DALTON TRANSACTIONS
卷 47, 期 32, 页码 10842-10846出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8dt02720j
关键词
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资金
- U.S. Department of Energy, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences [DE-AC02-06CH11357]
- U.S. Department of Energy, Office of Science, and Office of Basic Energy Sciences [DE-AC02-06CH11357]
- Department of Energy
- MRCAT member institutions
Dimeric and monomeric supported single-site Fe(ii) pre-catalysts on SiO2 have been prepared via organometallic grafting and characterized with advanced spectroscopic techniques. Manipulation of the surface hydroxyl concentration on the support influences monomer/dimer formation. While both pre-catalysts are highly active in liquid-phase hydrogenation, the dimeric pre-catalyst is approximate to 3x faster than the monomer. Preliminary XAS experiments on the H-2-activated samples suggest the active species are isolated Fe(ii) sites.
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