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Thieno [2,3 -b] pyridines and thieno [ 3,2 -b] pyridines by the method of gould-jacobs

✍ Scribed by Misbahul Ain Khan; Antonio Elydio Guarçoni


Book ID
112124132
Publisher
Journal of Heterocyclic Chemistry
Year
1977
Tongue
English
Weight
355 KB
Volume
14
Category
Article
ISSN
0022-152X

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Synthesis of some new bipyridines, thien
✍ Mahmoud A. Mohamed 📂 Article 📅 2011 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 84 KB

## Abstract Cyclocondensation of cyanoacetamide and cyanothioacetamide with sodium salt of 3‐hydroxy‐1‐(pyridin‐3‐yl)prop‐2‐en‐1‐one gave 6‐oxo‐[2,3′]bipyridine **5a** and 6‐thioxo‐[2,3′]bipyridine **5b** derivatives, respectively. Compound **5b** upon treatment with different methylenes **8** gave