Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Dinuclear Co-Salcy Complexes with a Dibenzofuran Linker for Copolymerizations of Epoxides with Cyclic Anhydrides or Carbon Dioxide
Yo HiranoiKoji Nakano
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2019 Volume 48 Issue 5 Pages 479-482

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Abstract

Dinuclear Co–salcy complexes bearing a dibenzofuran linker were explored for the copolymerizations of epoxides with cyclic anhydrides (CAs) or carbon dioxide [salcy = trans-N,N′-bis(salicylidene)-1,2-cyclohexanediamine]. It was found that the absolute configuration of the two Co–salcy moieties and the substituents on the salcy ligand greatly affect their catalyst activity. The optimized heterochiral dinuclear Co–salcy complex demonstrated one of the highest catalyst activities among the previously reported metal catalysts for the epoxide/CA copolymerization.

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© 2019 The Chemical Society of Japan
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