Methyl 4-(hydroxymethyl)naphthalene-1-carboxylate → 1-Naphthalenecarboxylic acid, 4-formyl-, methyl ester

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Reaction Steps

To a solution of methyl 4-hydroxymethylnaphthoate above (3.3, 15.3 mmol) in dichloromethane (20 mL) was added MnO2 (6.6 g, 76 mmol). After stirring the dark mixture for 16 hours, the insolubles were filtered through a bed of Celite. Evaporation of the solvent gave the desired product as a white solid in quantitative yield.

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