Issue 19, 2008
From the journal:

Dalton Transactions

Titanium and zirconium benzofuranoxides. Crystal structures and catalytic properties†

Katarzyna Krauzy-Dziedzic,a   Jolanta Ejfler,a   Sławomir Szaferta  and  Piotr Sobota*a  

* Corresponding authors

a Department of Chemistry, University of Wrocław, F. Joliot-Curie 14, Wrocław, Poland

Abstract

Reactions of Ti(OiPr)4 or Zr(OEt)4 with 4 equivalents of 2,3-dihydro-2,2-dimethyl-7-benzofuranol (ddbfoH) in toluene gave neutral complexes that in the solid state are dimers of [Ti(μ-ddbfo)2(ddbfo)6] and [Zr(ddbfo)3(EtOH)(μ-EtO)]2 composition. The former could also be conveniently synthesized in a direct reaction of TiCl4 with ddbfoH. This air-stable aryloxo compound was found to initiate living ring-opening polymerization of lactides affording polyesters with narrow molecular weight distribution. It also catalyzed addition of terminal acetylenes to aryl aldehydes.

Graphical abstract: Titanium and zirconium benzofuranoxides. Crystal structures and catalytic properties

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Article information

DOI
https://doi.org/10.1039/B715048B
Article type
Paper
Submitted
01 Oct 2007
Accepted
22 Feb 2008
First published
25 Mar 2008

Dalton Trans., 2008, 2620-2626

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Titanium and zirconium benzofuranoxides. Crystal structures and catalytic properties

K. Krauzy-Dziedzic, J. Ejfler, S. Szafert and P. Sobota, Dalton Trans., 2008, 2620 DOI: 10.1039/B715048B

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