Unusual alkylidene ligands: synthesis and structure of the cyclopentadienylidene complex [(η5-C5H5)Ta(NEt2)2 ([double bond, length as m-dash]C5H4)]

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Paula M. Briggs, Victor G. Young Jr. and David E. Wigley


Abstract

The unique alkylidene complex [(η5-C5H5)Ta(NEt2)2 ([double bond, length as m-dash]C5H4)] 2 is prepared in low yield from the reaction of [(η5-C5H5)Ta(NEt2)2 Cl2] 1 with 2 equiv. of MeLi and is fully characterised including an X-ray structural determination.


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