Hydrogen Bromide → HCID 22288814, compound

Participants

Reaction Steps

A mixture of 0.05 g of 2-(2,6-dichlorophenylamino)-5-methoxybenzimidazole hydrochloride, 0.5 ml of glacial acetic acid, and 0.5 ml of hydrobromic acid (48% strength) was boiled under reflux for 3 hours and the solvent was then distilled off. The solid residue was brought to crystallization under a little EA. 0.02 g of 2-(2,6-dichlorophenylamino)-5-hydroxybenzimidazole hydrobromide was obtained of melting point 265-269° C.

Provenance & Evidence