Phthalic Anhydride → 2-(5-Bromo-6-methylpyridin-3-yl)isoindoline-1,3-dione

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Reaction Steps

A mixture of phthalic anhydride (3.7 g, 25 mmol), 5-bromo-6-methylpyridin-3-amine (3.9 g, 20.85 mmol) and sodium acetate (1.5 g, 25 mmol) in glacial acetic acid (44 ml) was refluxed for overnight. After cooling down to room temperature, the precipitate was collected by vacuum filtration, washed with water, and dried to afford the title compound. MS (m/z) 318.91 [M+H]+.

Provenance & Evidence