Journal of Heterocyclic Chemistry p. 103 - 107 (1996)
Update date:2022-08-03
Topics:
Morales, Alhmed
Ochoa, Estael
Suarez, Margarita
Verdecia, Yamila
Gonzalez, Leandro
Martin, Nazario
Quinteiro, Margarita
Seoane, Carlos
Soto, Jose L.
The title compounds 6 have been prepared in a one-step procedure from the corresponding 4-aryl substituted 5-alkoxycarbonyl-6-methyl-3,4-dihydropyridones 4 in good yields. Quantum chemical calculations reveal a non-planar molecule with a distorted dihydropyridone ring and two favoured conformations. The 13C nmr data and theoretical calculations support a strong push-pull effect on the olefinic moiety.
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