Methylamine → HCID 19373123, compound

Participants

Reaction Steps

2 g of ethyl 2-(4-methylphenyl)-9H-imidazo[1,2-a]benzimidazole-3-acetate in 60 ml of methanol are treated with 60 ml of liquid methylamine, while stirring the mixture at room temperature for 16 h. The solvent is evaporated under reduced pressure. The residue is washed with water and recrystallized twice from N,N-dimethylformamide. 0.8 g of compound is finally isolated. Melting point: 303°-308° C. (decomposition).

Provenance & Evidence