Acetone → Benzene, 1,2,5-trimethyl-3-[(2-methyl-2-propenyl)oxy]-

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Reaction Steps

To a solution of 100 g of 2,3,5-trimethylphenol in 500 ml of acetone was added 75 g of anhydrous potassium carbonate. After refluxing for 45 hours, the reaction mixture was filtered, concentrated under reduced pressure and diluted with diethyl ether. The mixture was extracted three times with 300 ml of 20% aqueous solution of sodium hydroxide. The combined organic extracts were washed with water, dried over anhydrous magnesium sulfate, filtered and concentrated under the reduced pressure to afford the compound of methallyl 2,3,5-trimethylphenyl ether(105 g, yield 75%) as colorless liquid.

Provenance & Evidence