Intramolecular coordination of an alkene to a mixed dicyclopentadienyl benzyl zirconium cation studied by NMR spectroscopy

Abstract

Benzylation of [Zr(η5-C5H5){η5-C5H4SiMe2(CH2CHCH2)}Cl2] 1 yields [Zr(η5-C5H5){η5-C5H4SiMe2- (CH2CHCH2)}(CH2C6H5)2] 2, which reacts with either B(C6F5)3 or [Ph3C][B(C6F5)4] to generate the same cation, 3+, which has been fully characterised by 1H, 13C NMR and 1H DNMR spectroscopy.