Multiple choice The reagent used in the oxidation of alkenes to epoxides is dansyl amide dansyl chloride diethylzinc dimethyldioxirane Reveal answer Fill a bubble to check yourself D Correct answer Explanation Dimethyldioxirane (DMDO) is a dioxirane derived from acetone. The dioxirane is a reagent used in organic synthesis.The most common use of DMDO is the oxidation of alkenes to epoxides.