RADICAL CHAIN ADDITION OF IODO-PERFLUOROALKANES TO ETHYLENIC OR ACETYLENIC SUBSTRATES - COMPARISON OF RATES OF IODINE ATOM TRANSFER FROM C4F9I TO SIGMA-VINYL AND SIGMA-ALKYL ALPHA-F-ALKYL RADICALS

被引:8
作者
DAPREMONT, C
CALAS, P
COMMEYRAS, A
AMATORE, C
机构
[1] ECOLE NORM SUPER,DEPT CHIM,CNRS,URA 1110,24 RUE LHOMOND,F-75231 PARIS 05,FRANCE
[2] UNIV MONTPELLIER 2,CNRS,URA 1097,F-34095 MONTPELLIER 05,FRANCE
关键词
D O I
10.1016/S0022-1139(00)81106-9
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Under electrochemical activation, the addition of C4F9I to ethylenic or acetylenic substrates proceeds via a radical chain involving addition of C4F9 radicals to the multiple bond followed by iodine-atom transfer from C4F9I to the alkyl or vinyl alpha-F alkyl radical thus formed. Combined use of voltammetric and electrolytic techniques allows quantitative comparison of the reactivities of alkyl and vinyl radicals versus iodine-atom transfer from C4F9I.
引用
收藏
页码:249 / 258
页数:10
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