JEE MAIN - Chemistry (2022 - 25th June Evening Shift - No. 15)
Which of the following ketone will NOT give enamine on treatment with secondary amines? [where t-Bu is $$-$$C(CH3)3]
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_25th_June_Evening_Shift_en_15_2.png)
_25th_June_Evening_Shift_en_15_3.png)
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Explanation
In order to form enamine from the reaction of carbonyl compound with $2^{\circ}$ amine, the carbonyl compound must have $\alpha$-hydrogen.
_25th_June_Evening_Shift_en_15_5.png)
Along with this, due to steric crowding by t-Bu group, it is difficult for $2^{\circ}$ amine to attack on this compound.
_25th_June_Evening_Shift_en_15_5.png)
Along with this, due to steric crowding by t-Bu group, it is difficult for $2^{\circ}$ amine to attack on this compound.
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