화학공학소재연구정보센터
Catalysis Today, Vol.157, No.1-4, 364-370, 2010
Design of a bio-inspired imidazole-based iron catalyst for epoxidation of olefins Mechanistic insights
A novel defined iron catalyst for the epoxidation of aromatic and aliphatic olefins with hydrogen peroxide as the terminal oxidant is described Our catalyst approach is based on bio-inspired both alkyl- and aryl-substituted imidazoles in combination with cheap and abundant iron trichloride hexahydrate Heterocycles similar to imidazole can be used as ligands in this epoxidation system too The novel system is stable towards air and water It is shown that the mechanism depends strongly on the used ligands and substrates In the presence of radical scavengers no carbon-centered radical could be detected (C) 2010 Elsevier B V All rights reserved