Synthesis of new thieno[2,3-d]pyrimidines, thieno[3,2-e]pyridines, and thieno[2,3-d][1,3]oxazines

o‐Aminothiophene dicarbonitrile 1 on neat reaction with cyclic ketones in anhydrous ZnCl2 yielded mixture of fused aminopyridine 3 and iminospirooxazine 4 derivatives. Similarly, pyrimidine derivatives 5 and 8 were obtained by the reaction of this intermediate 1 with formic acid and DMF‐DMA followed...

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Veröffentlicht in:	Journal of heterocyclic chemistry 2012-03, Vol.49 (2), p.363-369
Hauptverfasser:	Kanawade, Shrikant B., Patil, Shivaraj P., Nikam, Prashant S., Gangurde, Sachin A., Jachak, Madhukar N., Toche, Raghunath B.
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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