title: Piperidinone
text: # Piperidinone
  
  Piperidinones or piperidones are a class of chemical compounds sharing the piperidone skeleton. A classic named reaction for the synthesis of piperidones is the Petrenko-Kritschenko piperidone synthesis which involves combining an alkyl-1,3-acetonedicarboxylate with benzaldehyde and an amine. This multicomponent reaction is related to the Hantzsch pyridine synthesis.
  
  ## Piperidinones
  
  * 2-Piperidinone
  * 3-Piperidinone
  * 4-Piperidinone
  