Seven-coordinate complexes of molybdenum(II) and tungsten(II). Preparation and spectral properties of [MI2(CO)3LL′] {M=Mo or W; L=PPh3, AsPh3 or SbPh3; L′=SC(NH2)2, SC(NMe2)2 or SC(NH2)Me} |
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| Authors: | Paul K. Baker Kevin R. Flower Stephanie M. L. Thompson |
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| Affiliation: | (1) Department of Chemistry, University College of North Wales, LL57 2UW Bangor, Gwynedd, UK |
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| Abstract: | Summary The seven-coordinate complexes [MI2(CO)3(NCMe)2] (M=Mo or W) react either in acetone or methanol with one equivalent of L (L=PPh3, AsPh3 or SbPh3) to give [MI2(CO)3(NCMe)L], which when reactedin situ with one equivalent of L {L=SC(NH2)2, SC(NMe2)2 or SC(NH2)Me} affords good yields of the new  mixed complexes [MI2(CO)3LL]via successive displacement of acetonitrile ligands. |
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