
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science p. 2354 - 2362 (1990)
Update date:2022-08-02
Topics:
Dorokhov, V. A.
Gordeev, M. F.
Dem'yanets, Z. K.
Bochkareva, M. N.
Bogdanov, V. S.
It was found that cyclocondensation of (benzimidazol-2-yl)cyanamide with β-diketones and β-ketoesters proceeds in the presence of β-ketoenolates or nickel(2+) acetate with the formation of 2-aminopyrimido<1,2-a>benzimidazole derivatives.Protonation (deute
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