Hydrochloric Acid → 2-Bromo-5-methylpyridine-3-carboxylic acid

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Reaction Steps

A mixture of ethyl 2-bromo-5-methylnicotinate (7.1 g, 0.03 m) and 10% NaOH solution (500 ml) was heated on a stream bath with stirring. After 3 hours, the solution was cooled and neutralized with 12 N HCl. After cooling in an ice bath, the mixture was filtered to yield 5.6 g (39% yield) of 2-bromo-5-methylnicotinic acid.

Provenance & Evidence