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1H-pyrazolo[3,4-d]thieno[2,3-b]pyridine and its derivatives

✍ Scribed by Misbahul Ain Khan; Alice Maria Coimbra Rolim; Antonio Elydio Guarçoni


Book ID
112127070
Publisher
Journal of Heterocyclic Chemistry
Year
1983
Tongue
English
Weight
131 KB
Volume
20
Category
Article
ISSN
0022-152X

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📜 SIMILAR VOLUMES


1H-pyrazolo[3,4-b]pyridines
✍ H. Höhn; Th. Denzel; W. Janssen 📂 Article 📅 1972 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 891 KB
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