2-氰基-5-碘三氟甲苯 、
(4S,5S)-5-ethyl-4-hydroxy-4-methylpyrrolidin-2-one 、
4,5-双二苯基膦-9,9-二甲基氧杂蒽 、
Dicaesio carbonate 在
(1E,4E)-1,5-diphenylpenta-1,4-dien-3-one;palladium 作用下,
以in the same manner as in Example 62, the title compound was obtained as a white powder (yield: 422 mg, 66%)的产率得到4-[(2S,3S)-2-ethyl-3-hydroxy-3-methyl-5-oxopyrrolidin-1-yl]-2-(trifluoromethyl)benzonitrile