Acetamide is treated with the following reagents separately. Which one of these would yield methyl amine?
- NaOH/Br2
- Sodalime
- Hot conc. H2SO4
- PCl5
Answer
(1) NaOH/Br2
Solution
Hoffmann bromamide degradation: an amide with Br2 and NaOH gives a primary amine with one carbon atom less.
CH3CONH2 + Br2 + 4NaOH CH3NH2 + Na2CO3 + 2NaBr + 2H2O
Answer: (1)