4-Methylanisole → 4-Methoxybenzaldehyde

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Reaction Steps

A 18.2 g quantity of cerium(III) nitrate is dissolved in 100 ml of methanol containing 10 ml of 65% by weight of nitric acid, and the solution is placed into an anode chamber. A methanol solution containing 10 ml of 65% by weight of nitric acid is placed into a cathode chamber. The cerium salt is electrolyzed with a constant current of 60 mA using platinum electrodes to pass electricity across the electrodes in a quantity of 1.2 F/mole. A 1.22 g of quantity of p-methyl anisole is oxidized with the solution withdrawn from the anode chamber after the electrolysis. The same procedure as in Example 1 is thereafter repeated to obtain 1.306 g of anisaldehyde. Yield: 96.0%.

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