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Question: Answered & Verified by Expert
The heating of oxime of acetone in presence of conc. H2SO4 to form N-methyl ethanamide is called
ChemistryCarboxylic Acid DerivativesJEE Main
Options:
  • A Bayer-Villger rearrangement
  • B Beckmann rearrangement
  • C Wolf-rearrangement
  • D Hoffmann reaction
Solution:
2436 Upvotes Verified Answer
The correct answer is: Beckmann rearrangement
The heating of oxime of acetone in presence of conc. H2SO4 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 H2O occurs with simultaneous migration of the trans-R'.

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