Abstract The title compound I was transformed to its oxime II, hydrazone III and semicarbazone IV. 1-(4-Methylsulfonylphenyl)-2-(4-phenylpiperazino) ethanol (V) was esterified by the corresponding acid chlorides in pyridine to give the acetate VI, propionate VII, benzoate VIII, and 4-nitrobenzoate IX. Reactions of 4-(methylsulfonyl) phenacyl bromide, its 4-(ethylsulfonyl), and 4-(2-methylpropylsulfonyl) analogues with diethanolamine ...