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Synthesis and reactions with donor ligands of the mixed halide seven-coordinate molybdenum(II) complex [MoClI(CO)3(NCMe)2]

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Summary

The complexfac-[Mo(CO)3(NCMe)3] (preparedin situ) reacts with an equimolar amount of ICl to give the oxidised product [MoClI(CO)3(NCMe)2] (1) in high yield. Equimolar quantities of (1) and L (L=PPh3, AsPh3 or SbPh3) react to yield the iodo-bridged dimers [Mo-(μ-I)Cl(CO)3L]2 (2)–(4). The reaction of [MoClI(CO)3(NCMe)2] with two equivalents of L (L=PPh3, AsPh3 or SbPh3) yields the acetonitrile-displaced products [MoClI(CO)3L2] (5)–(7). The bidentate ligands L^L {L^L=2,2-bipyridyl (bipy), 1,10-phenanthroline (1,10-phen), CyN=CHCH=NCy, Ph2P(CH2)nPPh2 (n=1–4)} react with an equimolar quantity of (1) to give [MoClI(CO)3(L^L)] (8)–(14). The compounds have been characterised by elemental analysis and spectroscopy. Magnetic susceptibility measurements show the compounds to be diamagnetic.

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Authors and Affiliations

  1. Department of Chemistry, University of Wales, LL57 2UW, Bangor, Gwynedd, UK

    Paul K. Baker, Tracey Birkbeck, Stefan Bräse, Adrian Bury & H. Margaret Naylor

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  1. Paul K. Baker
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  2. Tracey Birkbeck
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  3. Stefan Bräse
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  4. Adrian Bury
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  5. H. Margaret Naylor
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TMC 2673

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Baker, P.K., Birkbeck, T., Bräse, S. et al. Synthesis and reactions with donor ligands of the mixed halide seven-coordinate molybdenum(II) complex [MoClI(CO)3(NCMe)2]. Transition Met. Chem. 17, 401–403 (1992). https://doi.org/10.1007/BF02910717

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  • DOI: https://doi.org/10.1007/BF02910717

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