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One-component bimetallic aluminium(salen)-based catalysts for cyclic carbonate synthesis and their immobilization

Lookup NU author(s): Dr Jaisiel Melendez, Professor Michael North, Dr Pedro Villuendas, Dr Carl Young

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Abstract

The development of one-component, bimetallic m-oxoaluminium(salen) complexes as highly active catalysts for the synthesis of cyclic carbonates from terminal epoxides is described. The resulting homogeneous catalysts are used in batch reactions at room temperature and one atmosphere pressure. The catalysts have also been immobilized onto various support materials and used in either batch reactions or gas-phase flow reactions with ethylene and propylene oxides. Catalyst lifetime, deactivation and reactivation have been studied in both batch and flow reactions, and it has been shown that of the impurities present in power station flue gas, only sulfur trioxide deactivates the catalyst and at the concentrations of sulfur trioxide present in flue gas, this deactivation would require more than one years exposure of the catalyst to flue gas.

Publication metadata

Author(s): Meléndez J, North M, Villuendas P, Young C

Publication type: Article

Publication status: Published

Journal: Dalton Transactions

Year: 2011

Volume: 40

Issue: 15

Pages: 3885-3902

Print publication date: 12/11/2011

ISSN (print): 1477-9226

ISSN (electronic): 1477-9234

Publisher: Royal Society of Chemistry

URL: http://dx.doi.org/10.1039/c0dt01196g

DOI: 10.1039/c0dt01196g

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