Aza-Achmatowicz Reaction or Aza-Achmatowicz Rearrangement is the oxidative rearrangement of furanylamines or furylacetamides to hydropyridone.
Mechanism:

Furan with RNH-CH2– group [where R is goof leaving group], when treated with NaBr in Methanol, produces a dimethoxy compound. Which rearranges in acidic medium to produce hydropyridone.
Application:


