Angewandte Chemie - International Edition
Angewandte Chemie - International Edition
4 years ago

An Extensive Family of Heterometallic Titanium(IV)–Metal(III) Rings with Structure Control through Templates

An Extensive Family of Heterometallic Titanium(IV)–Metal(III) Rings with Structure Control through Templates
Inigo J. Vitorica-Yrezebal, George F. S. Whitehead, Ilya Strashnov, Antonio Fernandez, Andreas K. Kostopoulos, Richard E. P. Winpenny, Grigore A. Timco, Christopher A. Muryn, Robin G. Pritchard
A family of heterometallic [Cat][TixMO(x+1)(O2CtBu)2x+2] rings is reported where Cat=a secondary or tertiary alkyl ammonium ion, x=7, 8 or 9, and M=FeIII, GaIII, CrIII, InIII and AlIII. The structures are regular polygons with eight, nine or ten vertices with each edge bridged by an oxide and two pivalates. The size of the ring formed is controlled by the alkylammonium cation present. In each case a homometallic by-product is found [Cat][TixO(x+1)(O2CtBu)2x−1]. Size control: A family of heterometallic [Cat][TixMO(x+1)(O2C tBu)2x+2] rings is reported where Cat=a secondary or tertiary alkyl ammonium ion, x=7, 8 or 9, and M=Fe, Ga, Cr, In and Al. The structures are regular polygons with eight, nine or ten vertices with each edge bridged by an oxide and two pivalates. The size of the ring formed is controlled by the alkylammonium cation present.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/anie.201706679

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