HETEROCYCLES FROM CARBOHYDRATE PRECURSORS. SYNTHESIS OF SOME FUSED NITROGEN TRI- AND PENTAHETEROCYCLES FROM KOJIC ACID

The reaction of kojic acid with one and two equivalents of 1,2-diamino-4,5-dimethylbenzene afforded 2-hydroxy-5,6-dihydro-8,9-dimethyl-pyridono[1,2-a]quinoxaline and 2,3,10,11-tetramethyl-5,6-dihydro-13H-quinoxalino[2′,3′:4,5]pyrido[1,2-a]quinoxaline respectively.

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Bibliographic Details
Published inCurrent science (Bangalore) Vol. 55; no. 18; pp. 891 - 892
Main Authors ASHRY, E. S. H. EL, KILANY, Y. EL, MOUSAAD, A.
Format Journal Article
LanguageEnglish
Published CURRENT SCIENCE ASSOCIATION 20.09.1986
Subjects
Ethanol
Heterocyclic acids
Infrared radiation
Infrared spectrum
Nitrogen
Protons
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Summary:The reaction of kojic acid with one and two equivalents of 1,2-diamino-4,5-dimethylbenzene afforded 2-hydroxy-5,6-dihydro-8,9-dimethyl-pyridono[1,2-a]quinoxaline and 2,3,10,11-tetramethyl-5,6-dihydro-13H-quinoxalino[2′,3′:4,5]pyrido[1,2-a]quinoxaline respectively.
ISSN:0011-3891