Cobalt-based complexes for the copolymerization of propylene oxide and CO2:: Active and selective catalysts for polycarbonate synthesis

被引：361

作者：

Qin, ZQ ^{[1
]}

Thomas, CM ^{[1
]}

Lee, S ^{[1
]}

Coates, GW ^{[1
]}

机构：

[1] Cornell Univ, Baker Lab, Dept Chem & Chem Biol, Ithaca, NY 14853 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2003年 / 42卷 / 44期

关键词：

carbon dioxide; cobalt; green chemistry; homogeneous catalysis; ligand effects; polymerization;

D O I：

10.1002/anie.200352605

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

CO2 is an ideal feedstock for chemical synthesis; unfortunately its thermodynamic stability is a barrier to widespread use. Active cobalt catalysts for the copolymerization of propylene oxide and CO2 are reported (see scheme; L = N,N′ -bis(3,5-di-tert-butylsalicylidene)-1,2-cyclo-hexanediamine), which have excellent regioselectivity for polycarbonate synthesis without concomitant production of cyclic carbonate by-products.

引用

页码：5484 / 5487

页数：4

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