3,4-Diaminobenzoic acid → HCID 178513579, compound

Participants

Reaction Steps

2-(4-Benzoyl-phenyl)-1H-benzoimidazole-5-carboxylic acid. This compound was prepared as described in Example 1 using 4-benzoyl-benzaldehyde (100 mg, 0.47 mmol) and 3,4-diamino-benzoic acid (72 mg, 0.47 mmol) in Step C. The title compound was obtained as a tan solid (135 mg, 85%). MS (ESI): mass calculated for C21H14N2O3, 342.1; m/z found, 342.9 [M+H]+. HPLC (Method A): Rt=7.17.

Provenance & Evidence