三氟乙酸 、
Methyl (2S)-2-(tert-butoxycarbonylamino)-2,3,4,5,9-pentadeoxy-5,9-imino-D-glycero-D-ido-deconate 在
水 作用下,
反应 2.5h,
以97%的产率得到(S)-2-Amino-4-((2R,3S,4R,5R,6R)-3,4,5-trihydroxy-6-hydroxymethyl-piperidin-2-yl)-butyric acid methyl ester; compound with trifluoro-acetic acid