Electrochemical fluorination of methanedisulfonyl fluoride |
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| Affiliation: | 1. Faculty of Kinesiology & Physical Education, University of Toronto, 55 Harbord Street, Toronto, ON M5S 2W6, Canada;2. Nicotine Dependence Service, Centre for Addiction and Mental Health, 175 College Street, Toronto, ON, M5T 1P7, Canada;3. Department of Family Medicine, McMaster University, 100 Main Street West, 6th Floor, Hamilton, ON L8P 1H6, Canada;4. Psychiatry & Behavioural Neurosciences and Kinesiology, McMaster University, 100 West 5th Street, Hamilton, ON L8N 3K7, Canada;5. School of Public Health and Health Systems, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada;6. School of Kinesiology, University of British Columbia, 2146 Health Sciences Mall, Vancouver, BC V6T 1Z3, Canada;1. Auckland Cancer Society Research Centre, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, New Zealand |
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| Abstract: | ![]()
The electrochemical fluorination of methanedisulfonyl fluoride in anhydrous hydrogen fluoride to produce difluoromethanedisulfonyl fluoride, a precursor of difluoromethane disulfonic acid, was investigated. This study was carried out in a microprocessor-aided modified Simons' reactor system at constant anodic potential using a Cu/CuF2 reference electrode. Product yields of 75–82%, current efftciencies in excess of 66%, and electrical energy efficiencies of at least 33% were obtained for the electrochemical fluorination step.Experimental results of this investigation are presented and discussed. |
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