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The syntheses and NMR spectra of the twelve isomeric thieno[b]fused naphthyridines

✍ Scribed by Patrick Björk; Anna-Britta Hörnfeldt; Salo Gronowitz


Book ID
112131013
Publisher
Journal of Heterocyclic Chemistry
Year
1994
Tongue
English
Weight
594 KB
Volume
31
Category
Article
ISSN
0022-152X

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Syntheses of the isomeric amino- and bro
✍ W. Czuba 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 424 KB

## Abstract Syntheses of the three isomeric bromo‐1,5‐naphthyridines from 2‐hydroxy‐1,5‐naphthyridine, 3‐amino‐5‐bromopyridine (__Skraup__‐synthesis) and 4‐hydroxy‐1,5‐naphthyridine are described. New methods for the preparation of 2‐ and 3‐amino‐1,5‐naphthyridine are given. Some physical and che