Regiospecific bromination of condensed tetralones via aryloxydifluoroboron chelates

Shelagh C. Mackay, Peter N. Preston, Stephen G. Will, John O. Morley

Research output: Contribution to journalArticle

Abstract

Bromination (Br2, CCl4) of the anthracenone derivative (1b) under thermal or photochemical conditions gives the expected bromo-compound (1d) whereas photochemical bromination of the aryloxydifluoroboron complexes (2a,b) gives products (2c,d) of benzylic substitution; conversion of (2c) and (3a,b) into anthraquinone derivatives including madeirin (4) is described and extension of the regiospecific bromination procedure to the bicyclic difluoroboron complex (5a) is illustrated.

Original languageEnglish
Pages (from-to)395-396
Number of pages2
JournalJournal of the Chemical Society, Chemical Communications
Issue number7
Publication statusPublished - 1982

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