Hydrogen Bromide → HCID 70247924, compound

Participants

Reaction Steps

A solution of 5-methoxy-1-phenylbenzimidazole-6-carboxylic acid hydrochloride (0.60 g, 2.24 mmol) in a 33% solution of HBr in glacial acetic acid (50 mL) was refluxed for 30 hours. After cooling to room temperature, the resulting precipitate of the hydrobromide salt of Example 52 was filtered off (0.51 g, 68%): mp 288-290° C. (dec.).

Provenance & Evidence