Synthesis and catalytic activity of some π-allylic bis(trifluorophosphine)(triphenylphosphine)cobalt(I) complexes |
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| Authors: | Maxwell A Cairns John F Nixon |
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| Institution: | School of Molecular Sciences, University of Sussex, Brighton BN1 9QJ, Sussex Great Britain |
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| Abstract: | The syntheses of Co(π-all)(PF3)2(PPh3) complexes (π-all = π-allyl, anti-1-Me-π-allyl, syn-1-Me-π-allyl, 1,1-dimethyl-π-allyl, anti-1,2-diMe-π-allyl, syn,syn-1,3-diMe-π-allyl, 2Et-π-allyl, π-cyclooctenyl, h3-π-cycloheptadienyl) are described. 1H and 19F NMR data are presented and discussed in relation to the structures of the complexes. The compound Co(π-C5H9)(PF3)(PPh3)2 is also reported. Several of the π-allylic complexes are found to be active catalysts for the isomerisation of 1-octene to 2-octene under a hydrogen atmosphere. |
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