反应详情

Preparation according to Preparation 2: tert-Butyl 3-(3-chloro-4-fluorophenyl)-3-hydroxypyrrolidin-1-carboxylate (0.87 g, 2.77 mmol), dichloromethane (3 mL) and trifluoroacetic acid (3 mL). Stirred for 5 h. Yield: 0.31 g. MS m/z (rel. intensity, 70 eV) 215 (M+, 72), 157 (bp), 133 (53), 130 (62), 129 (98).

1. customPreparation
2. customaccording to Preparation 2