A convenient synthesis of a variety of 2,4-cyclohexadien-1-ones 3-7 is described. Reaction of various phenols 2 having appropriate substituents with an excess of SS-dimethylsuccinimidosulfonium chloride (Corey-Kim reagent, 1) in the presence of triethylamine proceeded with regioselective methylthiomethylation to give methylthiomethyl, bis(methylthiomethyl), or tris(methylthiomethyl)-2,4-cyclohexadien-1-ones 3-7 in satisfactory yields.