Synthesis and Structural Elucidation of 1, 4 Dihydropyrimido [1, 2-a] Benzimidazole

Considering various biomedical significance & with a view of pharmacological actions compound belong to this class, new series N-(substituted phenyl)-2-methyl-4-(2-(6-oxo-1-phenyl-1-6-dihydro-[2-3-bipyridin]-5-yl)phenyl)-1-4-dihydro pyrimido [1, 2-a] benzimidazole-3-carboxamide ware prepared. The formation the was accomplished by cyclocondensation 2-(1, 2-dihydro-2-oxo-1-phenyl-5-(pyridin-2-yl)pyridin-3-yl) benzaldehyde and phenyl)-3-oxobutanamide, 2-amino-benzimidazole under acid catalyzed conditions. structures pyrimidobenzimidazoles were determined MASS, IR, 1H NMR spectroscopic techniques Elemental analysis technique.