Bimetallic mechanism operating in the copolymerization of propylene oxide with carbon dioxide catalyzed by cobalt-salen complexes

被引：143

作者：

Nakano, Koji ^{[1
,2
]}

Hashimoto, Shinichi ^{[1
]}

Nozaki, Kyoko ^{[1
]}

机构：

[1] Univ Tokyo, Grad Sch Engn, Dept Chem & Biotechnol, Bunkyo Ku, Tokyo 1138656, Japan

[2] Japan Sci & Technol Agcy, PRESTO, Kawaguchi, Saitama, Japan

来源：

CHEMICAL SCIENCE | 2010年 / 1卷 / 03期

关键词：

ALTERNATING COPOLYMERIZATION; CYCLOHEXENE OXIDE; POLY(PROPYLENE CARBONATE); ASYMMETRIC CATALYSIS; ZINC-COMPLEXES; SCHIFF-BASE; EPOXIDES; CO2; POLYMERIZATION; POLYCARBONATE;

D O I：

10.1039/c0sc00220h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Dinuclear Co-salen complexes (R,R)-(S,S)-1-4 were synthesized and compared with their mononuclear counterpart rac-5 to suggest that a bimetallic mechanism is in charge for the alternating copolymerization of propylene oxide with CO2 in the absence of onium salt while a monometallic mechanism is more probable in its presence.

引用

页码：369 / 373

页数：5

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