3 years ago

A Fluxional Cu8H6 Cluster Supported by Bis(diphenylphosphino)methane and Its Facile Reaction with CO2

A Fluxional Cu8H6 Cluster Supported by Bis(diphenylphosphino)methane and Its Facile Reaction with CO2
Bunsho Kure, Kanako Nakamae, Yasuyuki Ura, Takayuki Nakajima, Tomoaki Tanase, Miho Tanaka
Copper hydride cluster Cu8(μ-H)6(μ-dppm)5](PF6)2 (dppm=bis(diphenylphosphino)methane) was prepared and characterized, and exhibited fluxional behaviors in solution where the hydrides and the phosphines are scrambling around the trans-bicapped octahedral Cu8 framework. The Cu8H6 complex readily reacted with CO2 (1 atm, RT) to afford a trinuclear complex, [Cu3(μ-H)(μ-O2CH)(μ-dppm)3]PF6. Both complexes also promoted catalytic hydrosilylation of CO2 under mild conditions, which is very unusual for Cu-H clusters. More information can be found in the Communication by T. Tanase et al. (DOI: 10.1002/chem.201702071).

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/chem.201702290

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