Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 23, Issue 40, Pages 9457-9461Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201702071
Keywords
carbon dioxide; copper; diphosphine; hydrides; multinuclear complex
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Funding
- Ministry of Education, Science, Sports, and Culture of Japan [26288025, 16K13966, 22108521, 24108727, 17H05374, 2107, 2802]
- Grants-in-Aid for Scientific Research [16K13966, 26810035, 17K05812, 16H01028, 17K14462, 26288025] Funding Source: KAKEN
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A copper hydride cluster [Cu-8(m-H)(6)(mu-dppm) (5)](PF6)(2) (dppm= bis(diphenylphosphino) methane) was prepared from reaction of [CuH(PPh3)](6) with dppm in the presence of [Cu(CH3CN)(4)] PF6 and exhibited fluxional behaviors in solution where the hydrides and the phosphines are scrambling around the trans-bicapped octahedral Cu-8 framework. The Cu8H6 complex showed facile reactivity with CO2 (1 atm, RT) to afford a tricopper complex, [Cu-3(m-H)(m-O2CH)(m-dppm)(3)] PF6, which could be developed to unprecedented hydrosilylation of CO2 catalyzed by multinuclear CuH species under mild conditions.
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