Alternating Copolymerization of CO2 and Cyclohexene Oxide Catalyzed by Cobalt-Lanthanide Mixed Multinuclear Complexes

被引：44

作者：

Asaba, Hiroki ^{[2
]}

Iwasaki, Takanori ^{[2
]}

Hatazawa, Masahiro ^{[2
]}

Deng, Jingyuan ^{[2
]}

Nagae, Haruki ^{[1
]}

Mashima, Kazushi ^{[1
]}

Nozaki, Kyoko ^{[2
]}

机构：

[1] Osaka Univ, Grad Sch Engn Sci, Dept Chem, Toyonaka, Osaka 5608531, Japan

[2] Univ Tokyo, Dept Chem & Biotechnol, Grad Sch Engn, Tokyo 1138656, Japan

来源：

INORGANIC CHEMISTRY | 2020年 / 59卷 / 12期

关键词：

ALDIMINE ZINC-COMPLEXES; CARBON-DIOXIDE; PROPYLENE-OXIDE; METAL-COMPLEXES; EPOXIDES; POLYCARBONATE; TRANSFORMATION; PORPHYRIN; MECHANISM;

D O I：

10.1021/acs.inorgchem.0c01156

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Heteromultimetallic complexes consisting of three Co(II) ions and one lanthanide ion were synthesized and applied to the alternating copolymerization of CO2 and cyclohexene oxide. Unlike the conventional cobalt(III) salen complexes, the high thermal stability of the present catalyst allowed us to reach a turnover number of 13000, one of the highest values ever reported for multimetallic systems. The chain propagation was first-order to the catalyst, suggesting a cooperative behavior of the metal centers.

引用

页码：7928 / 7933

页数：6

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