反应详情

To ethyl 2-(1-(tert-butoxycarbonyl)indolin-6-yl)thiazole-4-carboxylate (28C) (46 mg, 0.12 mmol) was added DCM (5 ml) and TFA (1 ml) and stirred for 2.5 hours. The mixture was concentrated under reduced pressure to provide 56 mg of the desired product ethyl 2-(indolin-6-yl)thiazole-4-carboxylate (28D): LC/MS (APCI): m/z 275.0 (M+H).

1. concentrationThe mixture was concentrated under reduced pressure