Cation-radicals: tris-(p-bromophenyl)amminium perchlorate and hexachloroantimonate

Abstract
Stable triarylamminium salts may be used as convenient one-electron oxidants for a range of organic molecules. Synthesis and characterisation of perchlorate and hexachloroantimonate salts of the tris-(p-bromophenyl)amminium cation [(p-BrC6H4)3N+] are described in detail. The hexachloroantimonate is easier to prepare and is much the more stable, both thermally and photochemically.

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