Methanol → Methyl 4-bromo-2-methylbenzoate

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Reaction Steps

4-Bromo-2-methylbenzoic acid (4.06 g, 18.5 mmol) was dissolved in methanol (60 ml). The solution was added with concentrated sulfuric acid (1 ml), and then heated under reflux for 9 hours. The solvent was evaporated under reduced pressure, and the residue was diluted with ethyl ether (100 ml). The resulting dilution was washed with water, an aqueous sodium bicarbonate solution, and then with saturated brine, and dried over magnesium sulfate. Insoluble solids were removed by filtration, and the filtrate was concentrated under reduced pressure to obtain the tile compound as yellow oil (3.87 g, yield: 91%).

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