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Elusive Niobium Alkyl Cations Related to Ethylene Polymerization

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posted on 15.03.2004, 00:00 by Helen M. Pritchard, Michel Etienne, Laure Vendier, G. Sean McGrady
Elusive cationic methyl complexes of niobium, [TpMe2NbMe(L)(MeC⋮CMe)][BArf4] (L = OEt2, PMe2Ph, PEt3), that model the active species in alkene polymerization by group 5 metals have been prepared. The X-ray crystal structure of the diethyl ether adduct has been obtained.

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