Collection of Czechoslovak Chemical Communications p. 1937 - 1946 (1992)
Update date:2022-08-04
Topics:
Lhotak, Pavel
Kurfuerst, Antonin
The reaction of acetylacetone or sodium salt of oxymethyleneacetone with corresponding aldehydes has been used to prepare 3,5-diacetyl-1,4-dihydropyridines III which have been oxidized to diacetylpyridines VII.These compounds have been transformed by an acid-catalyzed reaction with benzaldehyde into the chalcones VIII which have been utilized for the Kroehnke synthesis of luminophoric terpyridines I and II.
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