反应详情

Using 2-chloro-4,5-difluorobenzonitrile (240 mg), (2S,3S)-3-(1-hydroxy-1-methylethyl)-2-methylpyrrolidine 1/2 oxalate (390 mg) and lithium carbonate (152 mg), the title compound was obtained as a colorless solid (yield: 200 mg) by an operation similar to that in Example 3.