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. 2013 Oct 25;52(44):11594-8.
doi: 10.1002/anie.201305154. Epub 2013 Sep 9.

Asymmetric copolymerization of CO2 with meso-epoxides mediated by dinuclear cobalt(III) complexes: unprecedented enantioselectivity and activity

Ye Liu  1 , Wei-Min Ren, Jie Liu, Xiao-Bing Lu
Affiliations

Asymmetric copolymerization of CO2 with meso-epoxides mediated by dinuclear cobalt(III) complexes: unprecedented enantioselectivity and activity

Ye Liu et al. Angew Chem Int Ed Engl. .

Abstract

Unprecedented enantioselectivity and catalytic activity was observed in the asymmetric copolymerization of CO2 with meso-epoxides (including the less reactive cyclopentene oxide) mediated by the dinuclear Co(III) complex (S,S,S,S)-1 under mild conditions. The resultant copolymers possess more than 99 % carbonate linkages and a perfectly isotactic structure.

Keywords: carbon dioxide; cobalt; copolymerization; meso-epoxides; polycarbonates.

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