Stereoselective dimerization of racemic C3-symmetric Ti(IV) amine triphenolate complexes

Gérald Bernardinelli; Thomas M. Seidel; E. Peter Kündig; Leonard J. Prins; Andrej Kolarovic; Miriam Mba; Marta Pontini; Giulia Licini

doi:10.1039/B702958F

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Stereoselective dimerization of racemic C₃-symmetric Ti(iv) amine triphenolate complexes†‡

Gérald Bernardinelli,^a Thomas M. Seidel,^b E. Peter Kündig,*^b Leonard J. Prins,^c Andrej Kolarovic,^c Miriam Mba,^c Marta Pontini^c and Giulia Licini*^c

Author affiliations

* Corresponding authors

^a Laboratory of X-ray Crystallography, University of Geneva, 24 Quai Ernest Anserment, Geneva 4, Switzerland

^b Department of Organic Chemistry, University of Geneva, 30 Quai Ernest Anserment, Geneva 4, Switzerland
E-mail: Peter.Kundig@chiorg.unige.ch
Fax: +41 223793215
Tel: +41 223796093

^c Dipartimento di Scienze Chimiche, via Marzolo I-35131, Padova, Italy
E-mail: giulia.licini@unipd.it
Fax: +39 049 8275239
Tel: +39 0498275289

Abstract

A novel, mononuclear Ti(IV) amine triphenolate complex obtained by reaction of Ti(OiPr)₄ with tris(2-hydroxy-3-phenylbenzyl)amine bearing phenyl ortho-substituents affords quantitatively and spontaneously the corresponding heterochiral µ-oxo dinuclear compound whereas an analogous chiral, enantiopure complex maintains its mononuclear structure even in the presence of an excess of water.

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Article information

DOI: https://doi.org/10.1039/B702958F
Article type: Communication
Submitted: 26 Feb 2007
Accepted: 01 Mar 2007
First published: 15 Mar 2007

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Dalton Trans., 2007, 1573-1576

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Stereoselective dimerization of racemic C₃-symmetric Ti(IV) amine triphenolate complexes

G. Bernardinelli, T. M. Seidel, E. P. Kündig, L. J. Prins, A. Kolarovic, M. Mba, M. Pontini and G. Licini, Dalton Trans., 2007, 1573 DOI: 10.1039/B702958F

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Dalton Transactions