Issue 3, 1994
From the journal:

Journal of the Chemical Society, Dalton Transactions

Rhenium multihydride heterobimetallic complexes containing bridging and chelating diphosphine ligands

Xavier L. R. Fontaine,   Timothy P. Layzell  and  Bernard L. Shaw  

Abstract

Treatment of the rhenium pentahydride complex [ReH5(dppen-PP′)(dppm-P)](dppen = Ph2PCH[double bond, length half m-dash]CHPPh2, dppm = Ph2PCH2PPh2) with 0.5 mol equivalents of [Rh2Cl2(cod)2](cod = cycloocta-1,5-diene) gave the fluxional bimetallic complex [(dppen-PP′)H3Re(µ-H)2(µ-dppm)Rh(cod)]Cl 1a, which was characterised as the corresponding PF6 salt 1b. Analogous complexes (1c and 1d) were prepared from [Rh2Cl2(nbd)2][nbd = norbornadiene (bicyclo[2.2.1 ]hepta-2,5-diene)]. The fluxionality of 1b and 1d was studied by 31P-{1H} and 1H NMR spectroscopies over a range of temperatures. Treatment of [ReH5(dppen-PP′)(dppm-P)] with silver iodide gave a fluxional rhenium–silver bimetallic complex formulated as [(dppen-PP′)H3Re(µ-H)2(µ-dppm)AgI] which was studied by variable-temperature NMR spectroscopy.

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Article information

DOI
https://doi.org/10.1039/DT9940000379
Article type
Paper

J. Chem. Soc., Dalton Trans., 1994, 379-383

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Rhenium multihydride heterobimetallic complexes containing bridging and chelating diphosphine ligands

X. L. R. Fontaine, T. P. Layzell and B. L. Shaw, J. Chem. Soc., Dalton Trans., 1994, 379 DOI: 10.1039/DT9940000379

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