Abstract:
7-Nitro-2,3-dihydroimidazo[1,2-a]benzimidazole and its N9-substituted derivatives can be conveniently synthesized by nitration of the corresponding tricyclic precursors with a nitrating mixture or with the HNO3 /CF3COOH system. This reaction occurs fairly smoothly and with good regioselectivity.
Citation:
V. S. Sochnev, T. A. Kuz'menko, A. S. Morkovnik, L. N. Divaeva, A. S. Podobina, A. A. Zubenko, P. B. Chepurnoy, G. S. Borodkin, A. I. Klimenko, “Nitration of 2,3-dihydroimidazo[1,2-a]benzimidazole and its N 9-substituted derivatives”, Mendeleev Commun., 31:4 (2021), 555–557
Linking options:
https://www.mathnet.ru/eng/mendc988
https://www.mathnet.ru/eng/mendc/v31/i4/p555
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