tert-butyl (1R,3S,4S,6R)-3-{[(2S,4S)-2-aminocarbonyl-4-fluoro-1-pyrrolidinyl]carbonyl}-6-hydroxy-2-azabicyclo[2.2.1]heptane-2-carboxylate 在
三氟乙酸酐 作用下,
以
四氢呋喃 为溶剂,
反应 0.25h,
生成 tert-butyl (1R,3S,4S,6R)-3-{[(2S,4S)-2-cyano-4-fluoro-1-pyrrolidinyl]carbonyl}-6-hydroxy-2-azabicyclo[2.2.1]heptane-2-carboxylate