Benzimidazole → HCID 22607246, compound

Participants

Reaction Steps

A solution of Example 436A (500 mg, 2.17 mmol) and 1H-Benzoimidazole (28 mg, 2.39 mmol) in 2-propanol (10 mL) was refluxed under N2 for 2 hrs. The reaction mixture was cooled, diluted with ethyl acetate(50 mL) and washed with brine (2×25 mL). The residue was concentrated and purified by flash column chromatography on silica gel eluting with 100% ethyl acetate to 5% methanol/ethyl acetate to provide the desire product (1.08 mmol, 50%).

Provenance & Evidence