Sulfuryl chloride → 2-Butanone, 1-chloro-1-(4-chlorophenoxy)-3,3-dimethyl-

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Reaction Steps

22.7 g (0.1 mole) of 1-(4-chlorophenoxy)-3,3-dimethyl-butan-2-one in 100 ml of carbon tetrachloride were warmed to 60° C. 16.2 g (0.12 mole) of sulphuryl chloride were added dropwise to this solution, without further warming, at a rate such that continuous evolution of gas took place. When the addition had ended, the mixture was stirred under reflux and was then concentrated by distilling off the solvent in vacuo. 1-(4-Chlorophenoxy)-1-chloro-3,3-dimethyl-butan-2-one was obtained in quantitative yield and was subsequently reacted directly, without further purification. ##STR26##

Provenance & Evidence