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.{{cite journal | vauthors = Petrenko-Kritschenko P, Zoneff N | title = Ueber die Condensation von Aceton‐dicarbonsäureestern mit Benzaldehyd unter Anwendung von Ammoniak. | journal = Berichte der Deutschen Chemischen Gesellschaft | language = German | date = March 1906 | volume = 39 | issue = 2 | pages = 1358–61 | doi = 10.1002/cber.19060390234 | url = https://zenodo.org/record/1426178 }} This multicomponent reaction is related to the Hantzsch pyridine synthesis.