89818-04-2Relevant articles and documents
Pyridinethiones. VIII. The Aldol and Wittig Condensations of 3-Formyl-2(1H)-pyridones, -thiones and -selenones. Preparation of New Cyanopyridones
Michael, Maged Aziz,Becher, Jan,Winckelmann, Ib
, p. 1651 - 1656 (2007/10/02)
Condensations of 1-substituted-3-formyl-2(1H)-pyridones, -thiones and -selenones with methyl ketones such as acetophenone give the corresponding chalcones in high yields.Geometry at the vinyl hydrogens is E.These chalcones can be cyclized with ethyl cyano