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Inorg Chem. 2006 Aug 21;45(17):6595-7.

Air-stable titanium alkoxide based metal-organic framework as an initiator for ring-opening polymerization of cyclic esters.

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  • 1Department of Chemistry and Bath Chemical Crystallography Unit, Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, U.K.


An air-stable titanium-organic framework, prepared from Ti(OiPr)4 and 1,4-butanediol, has been characterized via single-crystal X-ray diffraction, revealing a unique supramolecular structure. Its functionality as a highly active initiator for the ring-opening polymerization of cyclic esters is demonstrated. A discrete titanium trimer containing the related ligand (2R,3R)-2,3-butanediol has also been prepared, and it shows analogous activity as a polymerization initiator.

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