NTA Abhyas JEE Main2020ChemistryCarboxylic Acid DerivativesPractice
The heating of oxime of acetone in presence of conc. H 2 S O 4 to form N-methyl ethanamide is called
Options
- ABayer-Villger rearrangement
- BBeckmann rearrangement
- CWolf-rearrangement
- DHoffmann reaction
Correct answer
B. Beckmann rearrangement
Step-by-step solution
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. Loss of H 2 O occurs with simultaneous migration of the trans-R'.