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OXIDATION OF CYCLOHEXANE WITH AIR CATALYZED BY A STERICALLY HINDERED IRON (II) COMPLEX
Citation:
Gonzalez*, M A. AND T Becker**. OXIDATION OF CYCLOHEXANE WITH AIR CATALYZED BY A STERICALLY HINDERED IRON (II) COMPLEX. Presented at AICHE, Indianapolis, IN, November 03 - 08, 2002.
Impact/Purpose:
To inform the public.
Description:
Oxidation of Cyclohexane with Air Catalyzed by a Sterically Hindered Iron(II) Complex.
Thomas M. Becker, Michael A. Gonzalez*
United States Environmental Protection Agency; National Risk Management Research Laboratory; Sustainable Technology Division; Clean Processes Branch; 26 W. Martin Luther King Drive MS 443; Cincinnati, Ohio 45268 USA
Abstract:
At the USEPA, the pursuit for 'Green' processes is ongoing in order to develop new, cost-effective, environmentally benign systems to produce desired products and eliminate or reduce unwanted by-products and wastes. One area of interest is the design of new catalysts for the oxidation of alkanes that employ environmentally friendly oxidants such as H2O2 or air.
The oxidation of cyclohexane catalyzed by the sterically hindered complex [Fe(dmp)2(H2O)2](OTf)2 (dmp = 2,9-dimethyl-1,10-phenanthroline) was studied. These reactions in acetonitrile utilized air as the primary oxidant. Changing variables of time, temperature, catalyst concentration, and substrate concentration were performed to optimize the oxidation parameters. Various reaction conditions affected the percent conversion and selectivity of the oxidation and these results will be presented.