Substituent effects of positive poles in aromatic substitution. III. Chlorination and bromination of sulfonium and selenonium salts

HM Gilow, RB Camp Jr, EC Clifton

文献索引：Gilow,H.M. et al. Journal of Organic Chemistry, 1968 , vol. 33, # 1 p. 230 - 233

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被引用次数: 9

摘要

Halogenation of unreactive aromatic rings can be accomplished at high temperatures. The high temperature not only makes rearrangements more likely but also apparently favors a free radical rather than an ionic mechanism. 2 Pearson and co-workers have developed a method in which 1 equiv of a strong electrophilic reagent, such as aluminum chloride, is used to complex the substrateand 1 moreequivisused to generate an active attacking ...