反应详情

{5-[(4-Fluoro-benzenesulfonyl)-(3-fluoro-benzyl)-amino]-2-propyl-benzoimidazol-1-yl}-acetic acid tert-butyl ester was treated with TFA (2 mL) for 2 hours, concentrated, and purified by preparative LCMS to give the title compound. MS calculated for C25H23F2N3O4S—H: 498, observed: 498.

1. concentrationconcentrated
2. custompurified by preparative LCMS