121105-75-7

Upstream product

• 4414-88-4 1H-benzimidazol-2-acetonitrile 
• 94-02-0 ethyl 3-oxo-3-phenylpropionate 

Downstream Products

• 121105-79-1 1-chloro-3-phenylpyrido<1,2-a>benzimidazole-4-carbonitrile 
• 121105-84-8 3-phenyl-1-(1-piperidino)pyrido<1,2-a>benzimidazole-4-carbonitrile 
• 230639-08-4 4-cyano-1-oxo-1H,5H-3-phenylpyrido<1,2-a>benzimidazole-2-carboxaldehyde 
• 121105-89-3 5-ethyl-3-phenyl-1-oxo-1H,5H-pyrido<1,2-a>benzimidazole-4-carbonitrile 

Relevant academic research and scientific papers

Benzimidazole condensed ring systems. 2 [1]. New synthesis of substituted 1-oxo-1H,5-H-pyrido[1,2-a]benzimidazole-4-carbonitriles and related derivatives

The synthesis of some 3-substituted and 2,3-disubstituted-1-oxo-1H,5-H-pyrido[1,2-a]benzimidazole-4-carbonitr les 5,6 by fusing 1H-benzimidazole-2-acetonitrile 1 with some β-keto esters 2,4 in the presence of ammonium acetate or with ethyl β-aminocrotonat