(S)-2-tert-butoxycarbonylamino-3-[4-hydroxy-3-(1-ylooxy-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-ylethynyl)phenyl]propionic acid methyl ester 在
sodium hydroxide 作用下,
以
甲醇 、
水 为溶剂,
反应 2.0h,
以78%的产率得到(S)-2-tert-butoxycarbonylamino-3-[4-hydroxy-3-(1-ylooxy-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-ylethynyl)phenyl]propionic acid