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Title

Solution Structure and Decomposition Pathway of Zwitterionic Zirconium(IV) Benzyl Complexes

Authors
Gauvin, Régis M.
Kress, Jacky
Published in Journal of Organometallic Chemistry. 2002, vol. 658, no. 1-2, p. 1-8
Abstract Reaction of the chelating diamido complexes Zr(ABAn)(CH2Ph)2 [ABA1=N,N'-(SiMe3)2-2-amidobenzylamido, ABA2=N,N'-(SiMePh2)(SiMe3)-2-amidobenzylamido] with B(C6F5)3 leads to formation of the unstable zwitterionic adducts [Zr(ABAn)(CH2Ph)][(?6-PhCH2)B(C6F5)3] 1 (n=1) and 2 (n=2), as shown by low temperature NMR experiments that, moreover, enabled an insight into the molecular structure of these compounds in solution. Two intermediates of the decomposition of 1 and 2, that leads to complexes Zr(ABAn)(C6F5)2, were identified.
Keywords Zwitterionic complexesDiamido ligandsZirconiumBenzylborate anionEthylene polymerization
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GAUVIN, Régis M., MAZET, Clement, KRESS, Jacky. Solution Structure and Decomposition Pathway of Zwitterionic Zirconium(IV) Benzyl Complexes. In: Journal of Organometallic Chemistry, 2002, vol. 658, n° 1-2, p. 1-8. https://archive-ouverte.unige.ch/unige:7760

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Deposited on : 2010-06-21

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