Electrochemical fluorination of methanedisulfonyl fluoride

F. W. Klink, D. J. Wasser, C. C. Liu

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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.

Original languageEnglish
Pages (from-to)89-101
Number of pages13
JournalJournal of Fluorine Chemistry
Volume32
Issue number1
DOIs
StatePublished - Jun 1986

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