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Issue 6, 2014
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Chromium(iii) amine-bis(phenolate) complexes as catalysts for copolymerization of cyclohexene oxide and CO2

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Abstract

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.

Graphical abstract: Chromium(iii) amine-bis(phenolate) complexes as catalysts for copolymerization of cyclohexene oxide and CO2

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Supplementary files

Article information


Submitted
03 Dec 2013
Accepted
24 Dec 2013
First published
06 Jan 2014

Catal. Sci. Technol., 2014,4, 1547-1555
Article type
Paper
Author version available

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

H. Chen, L. N. Dawe and C. M. Kozak, Catal. Sci. Technol., 2014, 4, 1547
DOI: 10.1039/C3CY01002C

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