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ChemInform Abstract: Synthesis of Some New Bipyridines, Thieno[2,3-b]pyridines, and Pyrazolo[3,4-b]pyridines.

✍ Scribed by Mahmoud A. Mohamed


Book ID
112046000
Publisher
John Wiley and Sons
Year
2012
Weight
28 KB
Volume
43
Category
Article
ISSN
0931-7597

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Synthesis of some new bipyridines, thien
✍ Mahmoud A. Mohamed πŸ“‚ Article πŸ“… 2011 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 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‐[2,3β€²]bipyridine **5a** and 6‐thioxo‐[2,3β€²]bipyridine **5b** derivatives, respectively. Compound **5b** upon treatment with different methylenes **8** gave