A Fluxional Cu8H6 Cluster Supported by Bis(diphenylphosphino)methane and its Facile Reaction with CO2
- 30 May 2017
- journal article
- research article
- Published by Wiley in Chemistry – A European Journal
- Vol. 23 (40) , 9457-9461
Abstract
A copper hydride cluster [Cu8(μ‐H)6(μ‐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 Cu8 framework. The Cu8H6 complex showed facile reactivity with CO2 (1 atm, RT) to afford a tricopper complex, [Cu3(μ‐H)(μ‐O2CH)(μ‐dppm)3]PF6, which could be developed to unprecedented hydrosilylation of CO2 catalyzed by multinuclear CuH species under mild conditions.Keywords
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