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Catalysis by phosphine- or phosphine-substituted rhodium cluster carbonyls : II. A 13C and 31P NMR study of Rh6(CO)12(P(OPh)3)4 by W. Abboud; Y.Ben Taarit; R. Mutin; J.M. Basset is a Chemistry article available to read on EtoBox.

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Variable temperature 13C and 31P NMR studies on Rh6(C0)i2 [P(OPh), I4 show that the solid state structure is maintained in solution from -80 to 60°C. Above 60°C there is a fluxional motion of some of the carbonyls between triply-bridging and edge-bridging' positions. The onset of this fluxionality parallels the appearance of catalytic activity in hydrogenation of cyclohexene. As a part of our study of the mechanism of hydrogenation of olefiis or arenes with phosphine-or phosphite-substituted rhodium clusters such as

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Author

W. Abboud; Y.Ben Taarit; R. Mutin; J.M. Basset

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-328X)

Published

1981

Language

EN

Field

Chemistry (Physical Sciences)