26. Amines
Cope Elimination
3:12 minutes
Problem 19e
Textbook Question
Textbook QuestionA tertiary amine reacts with hydrogen peroxide to form a tertiary amine oxide. Tertiary amine oxides undergo a reaction similar to the Hofmann elimination reaction (Section 10.10), called a Cope elimination. In this reaction, a ter- tiary amine oxide, rather than a quaternary ammonium ion, undergoes elimination. A strong base is not needed for a Cope elimination because the amine oxide acts as its own base. Does the Cope elimination have an alkene-like transition state or a carbanion-like transition state?
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