反应详情

Using 4-bromo-2-chlorobenzonitrile (2.28 g), (4R,5S)-5-ethyl-3,3-difluoro-4-hydroxypyrrolidin-2-one (2.00 g), 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene (954 mg), tris(dibenzylideneacetone)dipalladium(0) (554 mg) and cesium carbonate (4.84 g), and in the same manner as in Example 62, the title compound was obtained as pale-yellow crystals (yield: 153 mg, 10%).