Pyridinethiones. VIII. The Aldol and Wittig Condensations of 3-Formyl-2(1H)-pyridones, -thiones and -selenones. Preparation of New Cyanopyridones
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
Michael, Maged Aziz,Becher, Jan,Winckelmann, Ib
p. 1651 - 1656
(2007/10/02)
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