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Six- and Seven-co-ordinate Complexes of Molybdenum(II) and Tungsten(II) with Thioether Ligands. Crystal Structures of > and >

DOI: 10.1039/DT9940001401

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 1401 - 1408 (1994)

Update date:2022-09-26

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Authors:

Baker, Paul K.Baker, Paul K.

Harris, Sharman D.Harris, Sharman D.

Durrant, Marcus C.Durrant, Marcus C.

Hughes, David L.Hughes, David L.

Richards, Raymond L.Richards, Raymond L.

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Article abstract of DOI:10.1039/DT9940001401

Reaction of (M = Mo or W) with a slight excess of RS(CH2)2SR (R = Ph, 4-MeC6H4 or 4-FC6H4) in CH2Cl2 at room temperature gave >.The molecular structure of has been determined by X-ray crystallography.It shows that the tungsten has essentially capped-octahedral geometry with a carbonyl ligand in the unique capping position.Low-temperature 13C NMR studies on the tungsten complexes suggest that their structures in solution are similar to the solid-state structure found.Reaction of with 2 equivalents of PhS(CH2)2SPh in CH2Cl2 afforded >I which was reduced by Li-n-Bu to cis-2>.Equimolar quantities of (M = Mo or W) and MeS(CH2)2S(CH2)2SMe reacted in CH2Cl2 to give > and >.The latter was converted in CHCl3 into >, the molecular structure of which is essentially a capped octahedron with a carbonyl ligand in the unique capping position.

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Product name:WI2(CO)3(FC6H4SCH2CH2SC6H4F)

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