Synthesis of some new bipyridines, thien
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Mahmoud A. Mohamed
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Article
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2011
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Journal of Heterocyclic Chemistry
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English
β 84 KB
## Abstract Cyclocondensation of cyanoacetamide and cyanothioacetamide with sodium salt of 3βhydroxyβ1β(pyridinβ3βyl)propβ2βenβ1βone gave 6βoxoβ[2,3β²]bipyridine **5a** and 6βthioxoβ[2,3β²]bipyridine **5b** derivatives, respectively. Compound **5b** upon treatment with different methylenes **8** gave