Abstract
New furo[2,3-b]pyridine and pyrido[3′,2′:4,5]furo[3,2-d]pyrimidine derivatives were synthesized from ethyl 5-alkyl-1-amino-6,7,8,9-tetrahydrofuro[2,3-c]isoquinoline-2-carboxylates. Reactions of ethyl 5-alkyl-1-[(aminoacetyl)amino]-6,7,8,9-tetrahydrofuro[2,3-c]isoquinoline-2-carboxylates with hydrazine hydrate in¬volved not only cyclization but also hydrazinolysis and elimination of the acyl group.
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This study was performed under financial support by the State Science Committee of the Ministry of Education and Science of Armenia in the framework of research project no. 18T-1D170.
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Russian Text © The Author(s), 2019, published in Zhurnal Organicheskoi Khimii, 2019, Vol. 55, No. 9, pp. 1433–1439.
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Sirakanyan, S.N., Hakobyan, E.K. & Hovakimyan, A.A. Synthesis of New Furo[2,3-b]pyridine and Furo[3,2-d]pyrimidine Derivatives. Russ J Org Chem 55, 1344–1350 (2019). https://doi.org/10.1134/S1070428019090136
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DOI: https://doi.org/10.1134/S1070428019090136