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3-Amino-4-(1-amino-2-cyanovinyl)furazans: synthesis and cyclization

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Chemistry of Heterocyclic Compounds Aims and scope

It was shown that 3-amino-4-cyanofurazan easily condenses with malononitrile and ethyl cyanoacetate in the presence of bases, forming polyfunctional enaminonitriles – precursors in the synthesis of pyrazoles and annulated derivatives of furazano[3,4-b]pyridines and furazano[3,4-b]pyrimidines.

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Correspondence to Aleksei B. Sheremetev.

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Translated from Khimiya Geterotsiklicheskikh Soedinenii, 2020, 56(8), 1003–1107

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Strizhenko, K.V., Vasil’ev, L.S., Suponitsky, K.Y. et al. 3-Amino-4-(1-amino-2-cyanovinyl)furazans: synthesis and cyclization. Chem Heterocycl Comp 56, 1103–1107 (2020). https://doi.org/10.1007/s10593-020-02781-7

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