ELECTROCHEMICAL OXIDATION OF PENTAFLUOROPHENOL IN HYDROGEN-FLUORIDE AND SUPERACID MEDIA

被引:5
作者
DEVYNCK, J
HADID, AB
VIRELIZIER, H
机构
[1] CENS, INST NATL SCI & TECH NUCL, CHIM LAB, F-91190 GIF SUR YVETTE, FRANCE
[2] CENS, SERV ANALYSES, F-91190 GIF SUR YVETTE, FRANCE
[3] CENS, SERV ETUDES CHIM NUCL & ISOTOP, F-91190 GIF SUR YVETTE, FRANCE
关键词
D O I
10.1016/S0022-1139(00)81569-9
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The electrochemical behaviour of pentafluorophenol was examined by means of Classic and Cyclic Voltammetry at a platinum electrode in strongly basic (KF) and strongly acidic (SbF5) media in HF as solvent. It was shown that the first electrochemical step is the formation of a radical which is chemically stable in strongly acidic media probably because of the protonation of pentafluorophenol. The products formed by controlled potential electrolysis were analysed by GCMS. The main products of electrolysis are perfluorocyclohexadienone and dimers of the radical pentafluorophenol. The yield of the various products was evaluated as a function of the acidic level. © 1979.
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页码:363 / 372
页数:10
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