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
收藏
页码：369 / 373
页数：5
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