Hofmann Rearrangement · Amide → Amine, −1 Carbon
unseel.com · R-CONH₂ + Br₂/NaOH → R-NH₂ + CO₂ · Hofmann 1881
N state amide N
Carbons in chain n+1
Stage primary amide ready
Migrating group R (carbon)
Carbonyl / CO₂ carbon
Nitrogen
Oxygen
Bromine (leaves)
Hydrogen
Unseel.com · Hofmann Rearrangement