Selective Formation of Polycarbonate over Cyclic Carbonate: Copolymerization of Epoxides with Carbon Dioxide Catalyzed by a Cobalt(III) Complex with a Piperidinium End‐Capping Arm | Zendy

Nakano Koji | Zendy; Kamada Toshihiro | Zendy; Nozaki Kyoko | Zendy

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Selective Formation of Polycarbonate over Cyclic Carbonate: Copolymerization of Epoxides with Carbon Dioxide Catalyzed by a Cobalt(III) Complex with a Piperidinium End‐Capping Arm

Author(s) -

Nakano Koji,

Kamada Toshihiro,

Nozaki Kyoko

Publication year - 2006

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200603132

Subject(s) - copolymer , polycarbonate , epoxide , cobalt , carbonate , catalysis , polymer chemistry , carbon dioxide , chemistry , materials science , organic chemistry , polymer

Sidestepping a cyclic side product : Copolymerization of terminal epoxides with CO 2 was investigated by using a cobalt(III) complex bearing a piperidinium end‐capping arm and a piperidinyl arm (see scheme; DME=1,2‐dimethoxyethane). The catalyst system can selectively produce copolymers without contaminant formation of cyclic carbonates even at high conversion of the epoxide (>99 %).

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