JEE Main Chemistry question

An amine -oxide, when heated, gives an alkene. This reaction is known as

(A)Curtius reaction
(B)Cope eliminationCorrect
(C)Mannich reaction
(D)Hofmann elimination

Answer: (B)

Solution

Thermal syn-elimination of a tertiary amine -oxide to give an alkene (and a dialkylhydroxylamine) via a 5-membered cyclic transition state is called Cope elimination. It should not be confused with Hofmann elimination

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Question ID VK-150340