Water → HCID 178477257, compound

Participants

Reaction Steps

To a mixture of 27.62 g. (0.02 moles) of diethyl phosphite and 20 ml. of water 13.31 g. (0.1 moles) of 2-amino-benzimidazole and 150 ml. of ethanol are added. The reaction mixture is refluxed for 5 hours. The solvent and the excess of diethyl phosphite are evaporated in vacuo. The crystalline substance obtained is dried over phosphorus pentoxide. Yield of the title compound is 95%.

Provenance & Evidence