反应详情

TFA (1.5 ml) was added to a cooled (0° C.) solution of (S)-tert-butyl 2-((1-(4-methoxy-2,6-dimethylphenylsulfonyl)indolin-2-yl)methoxy)acetate (0.5 mmol) in DCM (6 ml) and the mixture was stirred for 2 h at room temperature. The solvent was removed under vacuum and the residue used in the subsequent stage.

1. customThe solvent was removed under vacuum