Issue 24, 1985

Attack of isocyanide and carbon monoxide on a bridging alkylidyne ligand at a ditungsten centre. Cleavage of the C–N and C–O triple bonds with respective formation of tungsten–imido and -oxo groups and concomitant addition of the carbon atom to the bridging alkylidyne carbon yielding a bridging σ-W12-W2 alkynyl ligand

Abstract

Isocyanide ligands and carbon monoxide, C[triple bond, length half m-dash]X, where X = NBut, NC6H3Me2-2,6, O, react in hydrocarbon solvents with [PriO)2W(µ-CSiMe3)]2 to give compounds of formula (PriO)(X[double bond, length half m-dash])W(µ-CSiMe3)(µ-η2, η1-CCSiMe3W(OPri)3; the compound where X = 2,6-dimethylPhenylimido has been characterized by an X-ray study while that for X = O is formulated as an analouge based on i.r. and n.m.r. data.

Article information

Article type
Paper

J. Chem. Soc., Chem. Commun., 1985, 1771-1773

Attack of isocyanide and carbon monoxide on a bridging alkylidyne ligand at a ditungsten centre. Cleavage of the C–N and C–O triple bonds with respective formation of tungsten–imido and -oxo groups and concomitant addition of the carbon atom to the bridging alkylidyne carbon yielding a bridging σ-W12-W2 alkynyl ligand

M. H. Chisholm, J. A. Heppert, J. C. Huffman and W. E. Streib, J. Chem. Soc., Chem. Commun., 1985, 1771 DOI: 10.1039/C39850001771

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