(4S,5R,6R,1'S,2'R)-5-acetylamino-4-azido-6-(2',3'-diacetyloxy-1'-n-dodecyloxy)propyl-5,6-dihydro-4H-pyran-2-carboxylic acid methyl ester 在
Lindlar catalyst
sodium hydroxide 、
氢气 作用下,
以
四氢呋喃 、
乙醇 、
二氯甲烷 为溶剂,
生成 (2R,3R,4S)-3-acetamido-4-(diaminomethylideneamino)-2-[(1R,2R)-1-dodecoxy-2,3-dihydroxypropyl]-3,4-dihydro-2H-pyran-6-carboxylic acid;2,2,2-trifluoroacetic acid