New fused pyrazines. Synthesis of pyrido
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H. S. El-Kashef; A. M. Kamal El-Dean; A. A. Geies; J. C. Lancelot; P. Dallemagne
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Article
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2000
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Journal of Heterocyclic Chemistry
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English
β 398 KB
π 1 views
## Abstract The synthesis of the title compounds was achieved using the key intermediate ethyl 4,6βdimethylβ3β(pyrrolβ1βyl)thieno[2,3β__b__]pyridineβ2β carboxylate 2. This latter compound was obtained __via__ the interaction of the thienopyridine amino ester 1 with 2,5 dimethoxytetrahydrofuran in a