The amine from Hoffmann degradation has how many carbons?
ATwo more
BOne less
COne more
DTwo less
Answer & Solution
Correct answer: B. One less
1. An alkyl group migrates from the carbonyl carbon to nitrogen.
2. That carbonyl carbon leaves the molecule.
3. So the amine is one carbon shorter than the amide.
_Source: syllabus Chemistry Part 2, Unit 9 'Amines'_
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