4-Bromophenacyl bromide → 2,4-Dibromobenzoic acid

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Reaction Steps

Some of the compounds of the general formula II are known and may be prepared by known methods. For example, 2-bromo-4-fluorobenzoic acid may be obtained from 1-bromo-3-fluorobenzene by acetylation and oxidation of the 2-bromo-4-fluoroacetophenone which is produced (Recl. Trav. Chim. Pays-Bas, 83 p. 1142, 1146 (1964)). The oxidation of 2,4-dibromoacetophenone using potassium permanganate to give 2,4-dibromobenzoic acid is described in J. Karnatak Univ. 1 p. 36 (1956). According to J. Chem. Soc. 85, 1267 ff. (1904), 5-chloro-2-bromobenzoic acid may be obtained by nitric acid oxidation of 5-chloro-2-bromotoluene.

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