The regiochemistry of carbenoid insertion into zirconacycles
Gordon, G. J., Luker, T., Tuckett, M. W. and Whitby, R. J. (2000) The regiochemistry of carbenoid insertion into zirconacycles. Tetrahedron, 56, (15), 2113-2129. (doi:10.1016/S0040-4020(99)01094-7).
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The regioselectivity of insertion of lithium chloroallylides (allyl carbenoids) into a wide variety of unsymmetrical zirconacycles has been determined. In all but one case a single regioisomer was obtained. A combination of steric and electronic effects is needed to explain the results and imply that the carbenoid is acting predominantly as an electrophilic species. The first carbenoid insertion into a zirconacyclopentadiene is noted.
|Keywords:||zirconium, zirconacycle, carbenoid, insertion reactions metal-promoted cyclization, bond formation reaction, tandem insertion, lithium chloroallylide, zirconium chemistry, metallacycle transfer, organic-synthesis, zirconacyclopentadienes, zirconocene, complexes|
Q Science > QD Chemistry
|Divisions:||University Structure - Pre August 2011 > School of Chemistry
|Date Deposited:||16 Dec 2005|
|Last Modified:||02 Mar 2012 12:03|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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