Further studies related to the copolymerization of cyclohexene oxide and carbon dioxide catalyzed by chromium Schiff base complexes.: Crystal structures of two μ-hydroxo-bridged Schiff base dimers of chromium(III)

被引：21

作者：

Darensbourg, Donald J. ^{[1
]}

Frantz, Eric B. ^{[1
]}

Andreatta, Jeremy R. ^{[1
]}

机构：

[1] Texas A&M Univ, Dept Chem, College Stn, TX 77843 USA

来源：

INORGANICA CHIMICA ACTA | 2007年 / 360卷 / 02期

基金：

美国国家科学基金会;

关键词：

chromium salen complexes; copolymerization of CO2/epoxides;

D O I：

10.1016/j.ica.2006.07.093

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Hydroxo-bridged dimers of [(acacen)CrOH](2) (acacen = N,N'-bis(t-butylacetylacetone)-1,2-ethylenediimine) and [(salen)CrOH](2) have been isolated from hydrolysis of the corresponding (acacen)CrCl and (salen)CrOMe derivatives. Structural studies reveal the octahedral coordination around the chromium centers to be distorted. The (acacen)CrCl complex in the presence of cocatalysts PCy3 or [PPN][Cl] is an effective catalyst for the production of polycarbonate from cyclohexene oxide and carbon dioxide, albeit less so than its salen analog. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：523 / 528

页数：6

共 7 条

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ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2007, 233 : 120 - 120
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[7] Two new end-on azido bridged dinuclear copper(II) and cobalt(III) complexes derived from the (E)-N′-((pyridin-2-yl)methylene) acetohydrazide Schiff base ligand:: Characterisation, crystal structures and magnetic study
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