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Issue 9, 1981
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Synthesis of zerovalent bis(η-arene) compounds of zirconium, hafnium, niobium, tantalum, and tungsten using the metal vapours

Abstract

Co-condensation of the vapours of the metals niobium, tantalum, and tungsten, derived from a positive hearth electron-gun furnace, with an excess of arenes gives the bis(η-arene) compounds [M(η-arene)2](M = Nb, Ta, or W). Similarly, zirconium and hafnium vapours with a mixture of arenes and trimethylphosphine give the bent bis(η-arene) compounds [M(η-arene)2(PMe3)](M = Zr and Hf). The bis(η-arene)tungsten compounds protonate readily in dilute aqueous acids to form the bent bis(η-arene)hydrido-cations [W(η-arene)2H][PF6]. Spectroscopic properties and other characterising data are presented for the new compounds.

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Article information


J. Chem. Soc., Dalton Trans., 1981, 1938-1943
Article type
Paper

Synthesis of zerovalent bis(η-arene) compounds of zirconium, hafnium, niobium, tantalum, and tungsten using the metal vapours

F. G. N. Cloke and M. L. H. Green, J. Chem. Soc., Dalton Trans., 1981, 1938
DOI: 10.1039/DT9810001938

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