(2S,3S,4S,5R,6S)-3,4,5-Triacetoxy-6-{4-[(2S,3R)-1-(4-methoxy-phenyl)-4-oxo-3-(3-phenyl-propyl)-azetidin-2-yl]-phenoxy}-tetrahydro-pyran-2-carboxylic acid methyl ester 在
potassium cyanide 作用下,
以
甲醇 为溶剂,
生成 methyl (2S,3S,4S,5R,6S)-3,4,5-trihydroxy-6-[4-[(2S,3R)-1-(4-methoxyphenyl)-4-oxo-3-(3-phenylpropyl)azetidin-2-yl]phenoxy]oxane-2-carboxylate