Issue 6, 2018

Bi-functional heterogeneous iron complexes for catalytic conversion of epoxides to cyclic carbonates and their application in the synthesis of polyurethane

Abstract

The development of a sustainable heterogeneous catalyst for direct conversion of CO2 to value-added chemicals is of great interest. Herein, we have developed polystyrene resin supported bi-functional Fe(III) complexes and studied their catalytic performance towards chemical fixation of CO2. The synthesized complex PFe-1 showed excellent catalytic activity towards aromatic/terminal aryloxy and aliphatic epoxides for achieving mono- and bis-cyclic carbonates in the absence of any co-catalysts. Higher conversion with excellent selectivity for cyclic carbonates was obtained with the catalyst PFe-1 with an added advantage of catalyst recyclability. This catalytic protocol was further extended for the synthesis of linear/cross polyhydroxyurethanes with good yield in a single step via addition polymerisation between bis-cyclic carbonate and different aliphatic diamines/triamines.

Graphical abstract: Bi-functional heterogeneous iron complexes for catalytic conversion of epoxides to cyclic carbonates and their application in the synthesis of polyurethane

Supplementary files

Article information

Article type
Paper
Submitted
12 Jan 2018
Accepted
08 Mar 2018
First published
23 Apr 2018

Sustainable Energy Fuels, 2018,2, 1312-1322

Bi-functional heterogeneous iron complexes for catalytic conversion of epoxides to cyclic carbonates and their application in the synthesis of polyurethane

S. Verma, Mohd. Nazish, R. I. Kureshy and N. H. Khan, Sustainable Energy Fuels, 2018, 2, 1312 DOI: 10.1039/C8SE00016F

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