Dimethyl Sulfate → Benzene, 1-(1,1-dimethylethyl)-2-methoxy-3-methyl-

関与物質

反応条件

反応手順

A mixture of 0.12 mole of 2-t-butyl-6-methylphenol and 12.0 ml. of 10.0 N sodium hydroxide solution is stirred and heated on the steam bath for 1 hour. The water is evaporated in vacuo. The residue is added portion-wise with stirring to 0.24 mole of dimethylsulfate and the mixture is stirred at 95° C. for 6 hours and at room temperature for 15 hours. Sodium carbonate (0.25 mole) in 100 ml. of water is added and stirring is continued for 5 hours. The mixture is extracted with 3 × 100 ml. of ether and the extract is dried and concentrated to dryness to give 3-t-butyl-2-methoxytoluene.

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