SYNTHESIS OF SOME NEW FUSED THIENO- AND FUROPYRIDINES
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
Kamal El-Dean, A. M.,Abdel Hafez, A. A.,Attallah, A. A.
p. 1 - 6
(2007/10/02)
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