(2S,4R,5R,6R)-5-Acetylamino-6-[(S)-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-hydroxy-methyl]-4-hydroxy-2-methoxy-tetrahydro-pyran-2-carboxylic acid methyl ester 在
ammonium hydroxide 、
三苯基膦 、
偶氮二甲酸二乙酯 作用下,
以
四氢呋喃 、
甲苯 为溶剂,
以65%的产率得到(2S,5R,6R)-5-Acetylamino-4-azido-6-[(S)-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-hydroxy-methyl]-2-methoxy-tetrahydro-pyran-2-carboxylic acid methyl ester