A tandem C-acylation-cyclization reaction sequence for the synthesis of new N-acyl-3-substituted 1,8-naphthyridine-2,4,diones

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A tandem C-acylation-cyclization reaction sequence for the synthesis of new N-acyl-3-substituted 1,8-naphthyridine-2,4,diones (EN)

Mitsos, C (EN)
Igglessi-Markopoulou, O (EN)
Zografos, A (EN)

journalArticle (EN)

2014-03-01T01:14:22Z
1999 (EN)


The 2-substituted 4H-pyrido[2,3-d][3,1]oxazin-4-ones (1a, b) react with active methylene compounds, under mild conditions, to produce N-acyl-3- substituted 1,8-naphthyridine-2,4-diones (3-12). In addition the C-acylation key intermediates (3a), (13) and (14) have been isolated and subsequently cyclized to the corresponding 3-substituted 1,8-naphthyridine-2,4-diones (3) and (15). (EN)

Chemistry, Organic (EN)

antibacterial activity (EN)
unclassified drug (EN)
allergic reaction (EN)
quinoline derivative (EN)
drug potency (EN)
drug synthesis (EN)
chemical reaction (EN)
stomach secretion (EN)
acylation (EN)
article (EN)
mammal (EN)
1,8 naphthyridine 2,4 dione (EN)
receptor binding (EN)
naphthyridinone (EN)
antiinflammatory activity (EN)

Heterocycles (EN)

English

PERGAMON-ELSEVIER SCIENCE LTD (EN)




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