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  4. Which of the following ketone will NOT give enamine on treatment with secondary amines? [where t-Bu is - C ( CH 3)3 ]

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Q. Which of the following ketone will NOT give enamine on treatment with secondary amines? [where $t-Bu$ is $- C \left( CH _{3}\right)_{3}$ ]

JEE MainJEE Main 2022Amines

Solution:

Enamine formation is an example of nucleophilic addition elimination reaction
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Group is highly sterically hindered hence attack of nucleophile will not be possible.