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Synthesis of some new Fused Thieno and Furo Pyridine

Research Authors
A.M.Kamal El Dean, A.A.Abdel hafez and A.A.Attallah
Research Abstract

Pyridone and Thiopyridone derivatives (1) and (2) were considered as versatile intermediates to produce some interesting tricyclic compounds. They were converted to O- and S-alkylated pyridines (3) and (4) which undergo cycloaddition reaction to give the furo and thienopyridines. The thiopyridone derivative (2) react with bromodiethylmalonate to give S-diethoxycarbonyl-methane derivative 7 which are converted to S-pyrazolo compounds by reaction with hydrazine and phenylhydrazine

Research Department
Research Journal
Phosphprus Sulfur and Silicon
Research Member
Research Rank
2
Research Vol
Vol. 46, No 1-2
Research Year
1989
Research Pages
pp. 1-6