Methylparaben → Methyl 4-(benzyloxy)benzoate

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A mixture of methyl 4-hydroxy-benzoate (10.0 g, 0.066 mol) and potassium carbonate (12 g, 0.086 mol), were taken in acetone (50 ml) and heated at 50° C. for 1 hour. To the reaction mixture benzyl bromide (8.2 ml, 0.072 mol) was added. The mixture was heated at 80° C. for 5 hours. The mixture was cooled to room temperature and filtered through sintered funnel, washed with acetone. Solvent was removed to obtain pure 4-benzyloxy-benzoic acid methyl ester as white solid (16 g, 100%).

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