反应详情

A mixture of ethyl isocyanate (6.5 μL) and N-ethyl-3-fluoro-4-methyl-5-[3-(4-piperidinyl)-1H-indazol-6-yl]benzamide (Intermediate 22, 30 mg) in DMF (3 mL) was stirred at room temperature under nitrogen for 30 min. The solvent was removed under vacuum and the residue was purified by preparative HPLC to give the title compound as a white solid (18 mg).

1. customThe solvent was removed under vacuum
2. customthe residue was purified by preparative HPLC