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1,6- and 1,7-naphthyridines. IV. Synthesis of hydroxycarboxamide derivatives

✍ Scribed by M. Mercedes Blanco; Celia B. Schapira; Gustavo Levin; Isabel A. Perillo


Publisher
Journal of Heterocyclic Chemistry
Year
2005
Tongue
English
Weight
156 KB
Volume
42
Category
Article
ISSN
0022-152X

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1,6- and 1,7-naphthyridines. II. Synthes
✍ M. Mercedes Blanco; Isabel A. Perillo; Celia B. Schapira 📂 Article 📅 1999 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 370 KB

## Abstract A number of 8‐hydroxy‐6‐methyl‐1,6‐naphthyridin‐5(6__H__)‐one‐7‐carboxylic acid alkyl esters 3 and the isomeric 5‐hydroxy‐7‐methyl‐1,7‐naphthyridin‐8(7__H__)‐one‐6‐carboxylic acid alkyl esters 4 were synthesized from acyclic precursors obtained starting from quinolinic anhydride 5. Thus

1,6- and 1,7-naphthyridines III. 13C-NMR
✍ M. Mercedes Blanco; Graciela Buldain; Celia B. Schapira; Isabel Perillo 📂 Article 📅 2002 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 68 KB

## Abstract The ^13^C‐NMR spectra of some 1,6‐naphthyridines **2** and 1,7‐naphthyridines **3**, as well as those of __N__‐methyl derivatives **4** and **5**, were recorded and analyzed. Results in dimethyl‐__d__~6~ sulfoxide and deuteriochlo‐roform provide useful data on intra and intermolecular h