反应详情

Dissolve 4-[2-(4-fluorophenyl)-pyridin-3-yl]-piperazine-1-carboxylic acid t-butyl ester (0.9 g, 2.52 mmol) in DCM (25 mL). Add trifluoroacetic acid (8.6 g, 5.8 mL, 75.6 mmol). Stir the mixture at room temperature for 2 hr. Purify by a SCX ion-exchange column to give the title preparation. MS (ES): m/z=258 [M+H].

1. customPurify by a SCX ion-exchange column
2. customto give the title
3. custompreparation