132631-74-4Relevant articles and documents
SYNTHESIS OF FUNCTIONALIZED PYRIMIDOBENZIMIDAZOLES FROM (BENZIMIDAZOL-2-YL)CYANAMIDE AND β-DICARBONYL COMPOUNDS USING NICKEL COMPLEXES OR SALTS
Dorokhov, V. A.,Gordeev, M. F.,Dem'yanets, Z. K.,Bochkareva, M. N.,Bogdanov, V. S.
, p. 2354 - 2362 (2007/10/02)
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-aminopyrimidobenzimidazole derivatives.Protonation (deute