摘要:
Multicomponent condensation of acetaldehyde, cyanothioacetamide, 1-(but-2-en-2-yl)pyrrolidine, and alkyl halides afforded 2-alkylsulfanyl-4,5,6-trimethylnicotinonitriles. Their structure was confirmed by IR, H-1 NMR spectroscopy, and chromatography-mass spectrometry.