期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 135, 期 41, 页码 15294-15297出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja408080z
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资金
- MEXT, Japan [24350069, 25600025]
- NRF/MEST of Korea through the CRI [2-2012-1794-001-1]
- NRF/MEST of Korea through the GRL [2010-00353]
- NRF/MEST of Korea through the WCU [R31-2008-000-10010-0]
- MICINN of Spain [CTQ2010-21497]
- Grants-in-Aid for Scientific Research [25600025] Funding Source: KAKEN
A dinuclear Co complex with bis(pyridyl)-pyrazolato (bpp(-)) and terpyridine (trpy) ligands, [Co-2(III)(trpy)(2)(mu-bpp)(OH)(OH2)](4+) (1(4+)), undergoes three-electron reduction by cobaltocene in acetonitrile to produce 1(+), which is in the protonation equilibrium with the (CoCoIII)-Co-II-hydride complex, and the further protonation of the hydride by trifluoroacetic acid yields hydrogen quantitatively. The kinetic study together with the detection of the (CoCoIII)-Co-II-hydride complex revealed the mechanism of the hydrogen production by the reaction of 1(+) with trifluoroacetic acid.
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