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Furan ring transformation as a key stage in pyrrolopyrazine framework synthesis
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1  Kuban State Technological University, Moskovskaya st. 2, Krasnodar, 350072, Russian Federation


Based on 1-(2-alkylfuryl-2)benzimidazoles new polycyclic fused pyrrolopyrazine derivatives were prepared. Pyrrolopyrazine framwork was obtained via simultaneous formation of both pyrrole and pyrazine cycles from furan ring.

Keywords: furan ring opening, pyrrolopyrazine, annelated benzimidazole derivatives