1.
Mol Divers
; 26(4): 2039-2048, 2022 Aug.
Artigo
em Inglês
| MEDLINE
| ID: mdl-34528212
RESUMO
Piperidinium spirooxindoline-pyridineolate has been prepared via one-pot multicomponent reaction of isatin, malononitrile, cyanoacetohydrazide, and piperidine in water or ethanol medium at room temperature. In addition, the synthesis of two indole-substituted 2-pyridones from indole-3-carbaldehyde, malononitrile, and cyanoacetohydrazide in the presence of piperidine is described.