Journal of heterocyclic chemistry

Reactions 1??acetyl??3??oxo??2, 3??dihydroindole with alkyl 2??cyano??3??alkoxypropenoate and alkyl 2??alkoxycarbonyl??3??alkoxy??propenoate. Synthesis of 9?? …

JY Mérour, S Piroëlle

Index: Merour, J.Y.; Piroelle, S. Journal of Heterocyclic Chemistry, 1991 , vol. 28, # 8 p. 1869 - 1873

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Citation Number: 8

Abstract

Abstract 1-Acetyl-3-oxo-2, 3-dihydroindole reacted with methyl 2-cyano-3- methoxypropenoate and ethyl 2-cyano-3-ethoxypropenoate in the presence of sodium hydride, affording compounds 3 (2-(2-cyano-2-alkoxycarbonyl-vinyl)-3-hydroxyindole). Methyl 2-methoxycarbonyl-3-methoxypropenoate gave compounds 4 or compounds 5 (in the presence of Triton B). Heating compounds 3 or their acetylated derivatives in acetic ...