反应详情

(S)-tert-butyl 4-(3-(2-fluoro-4-(5-methyl-1,3,4-oxadiazol-2-yl)phenoxy)-2-oxopyrrolidin-1-yl)piperidine-1-carboxylate (680 mg, 1.48 mmol) was dissolved in CH2Cl2 (10 mL) and TFA (4 mL) was added and stirred at ambient temperature for 1 hour and then concentrated in vacuo to afford crude (S)-3-(2-fluoro-4-(5-methyl-1,3,4-oxadiazol-2-yl)phenoxy)-1-(piperidin-4-yl)pyrrolidin-2-one 2,2,2-trifluoroacetate as an oil which was taken forward without further purification.

1. concentrationconcentrated in vacuo