Syntheses of 2??acetyl??3??hydroxy??1??n??propylpyrrole from isomaltol and 1??n??alkyl??3??hydroxy??2??methyl??4??pyridones from maltol

J Bartulin, J Belmar, H Gallardo…

Index: Bartulin, J.; Belmar, J.; Gallardo, H.; Leon, G. Journal of Heterocyclic Chemistry, 1992 , vol. 29, # 4 p. 1017 - 1019

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Citation Number: 7

Abstract

Abstract 2-Acetyl-3-hydroxyfuran (2) reacts with n-propylamine affording 2-acetyl-3-hydroxy- 1-n-propylpyrrole (3) in 63% yield. The transformation of 2-methyl-3-hydroxy-4-pyrone (4) into 1-n-alkyl-3-hydroxy-2-methyl-4-pyridones is achieved by benzylation of the 3-hydroxyl ...