The heating of oxime of acetone in presence of conc. H2SO4 to form N-methyl ethanamide is called

Question

The heating of oxime of acetone in presence of conc.

H_{2} S O_{4}

to form

N

-methyl ethanamide is called Beckmann rearrangement. In Beckmann rearrangement,

R

-migrates from carbon to nitrogen of an oxime to form

N

-substituted amide.
Solution

Loss of

H_{2} O

occurs with simultaneous migration of the trans-

R^{'}

.

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