Chromium(III) amine-bis(phenolate) complexes as catalysts for copolymerization of cyclohexene oxide and CO2

被引：29

作者：

Chen, Hua ^{[1
]}

Dawe, Louise N. ^{[1
,2
]}

Kozak, Christopher M. ^{[1
]}

机构：

[1] Mem Univ Newfoundland, Dept Chem, St John, NF A1B 3X7, Canada

[2] Mem Univ Newfoundland, Dept Chem, C CART Xray Diffract Lab, St John, NF A1B 3X7, Canada

来源：

CATALYSIS SCIENCE & TECHNOLOGY | 2014年 / 4卷 / 06期

基金：

加拿大自然科学与工程研究理事会; 加拿大创新基金会;

关键词：

COBALT-SALEN COMPLEXES; ARYL GRIGNARD-REAGENTS; CARBON-DIOXIDE; ALTERNATING COPOLYMERIZATION; PROPYLENE-OXIDE; CO2/EPOXIDE COPOLYMERIZATION; ALUMINUM PORPHYRIN; POLY(PROPYLENE CARBONATE); STEREOCHEMISTRY CONTROL; MECHANISTIC ASPECTS;

D O I：

10.1039/c3cy01002c

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Amine-bis(phenolate) chromium(III) complexes catalyze the copolymerization of cyclohexene oxide with carbon dioxide. These catalysts incorporate tetra- or tridentate amine-bis(phenolate) ligands and when combined with dimethylaminopyridine (DMAP) or bis(triphenylphosphoranylidene) ammonium chloride or azide, (PPNCl or PPNN3), yield low molecular weight polymers with moderately narrow polydispersities. The tetradentate ligand containing catalysts show higher conversions and yields of polycyclohexene carbonate, but with a wide variety of polymer end groups as shown by MALDI-TOF mass spectrometry.

引用

页码：1547 / 1555

页数：9

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