Question: Dimethyldioxirane (DMDO), whose structure is shown below, is another reagent commonly used for alkene epoxidation. Write a mechanism for the epoxidation of (Z)-2-butene by DMDO,

Dimethyldioxirane (DMDO), whose structure is shown below, is another reagent commonly used for alkene epoxidation. Write a mechanism for the epoxidation of (Z)-2-butene by DMDO, including a possible transition state structure. What is the by-product of a DMDO epoxidation?

CH3 Dimethyldioxirane (DMDO)

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