Issue 12, 1999
From the journal:

Journal of the Chemical Society, Dalton Transactions

Synthesis and crystal structure of the 16 e– cationic tungsten(IV) complex [WCp*(4,4′-Me2bipy)Cl2]+BPh4– †

Christian Cremer  and  Peter Burger  

Abstract

A general synthetic route to electron rich half-sandwich tungsten(IV) complexes with a series of 4,4′-disubstituted 2,2′-bipyridyl (R2bipy) donor ligands of the type [WIVCp*(R2bipy)Cl3] has been elaborated. The crystal structure and conductivity measurements of the R = methyl derivative evidenced quite weak bonding of the chloride ligands in these complexes. This propensity has been utilized to prepare the novel square pyramidal, 16e– Lewis acid [WCp*(Me2bipy)Cl2]+BPh4– through halide abstraction from [WCp*(Me2bipy)Cl3] with NaBPh4. The crystal structures of the cationic complex and its 18e– CO adduct [WCp*(Me2bipy)(CO)Cl2]+BPh4– obtained through carbon monoxide addition to the former have been determined.

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DOI
https://doi.org/10.1039/A902743B
Article type
Paper

J. Chem. Soc., Dalton Trans., 1999, 1967-1974

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Synthesis and crystal structure of the 16 e– cationic tungsten(IV) complex [WCp*(4,4′-Me2bipy)Cl2]+BPh4– †

C. Cremer and P. Burger, J. Chem. Soc., Dalton Trans., 1999, 1967 DOI: 10.1039/A902743B

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