B 43 Benzimidazo[l,2-a]pyrazolo[l,5-c]quinazoline: a novel heterocyclic system [Electronic resource] / G. N. Lipunova, G. A. Mokrushina, E. B. Granovskaya, O. M. Chasovskikh, V. N. Charushin // Mendeleev Communications. - 1996. - Vol. 6, № 1. - P15-17 Рубрики: ХИМИЧЕСКИЕ НАУКИ Аннотация: Heating of ethyl 3-[beta-(benzimidazol-2-yl)hydrazine]-2-(polyfluorobenzoyl)acrylates in acetonitrile with potassium fluoride or triethylbenzyl ammonium chloride leads to derivatives of novel heterocyclic systems of benzimidazo[l,2-a]pyrazolo- [1,5-c]quinazoline \\\\expert2\\nbo\\Mendeleev Communications\\1996, v.6, N 1. p.15.pdf |