(2R,3S,4S,5R,6S)-2-(acetoxymethyl)-6-(((2R,3R,4S,5R,6R)-4,5-diacetoxy-2-(acetoxymethyl)-6-(1H-benzo[d][1,2,3]triazole-1-carbothioamido)tetrahydro-2H-pyran-3-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate 、
(S)-methyl 3-amino-2-(((benzyloxy)carbonyl)amino)propanoate 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以81%的产率得到(2R,3S,4S,5R,6S)-2-(acetoxymethyl)-6-(((2R,3R,4S,5R,6R)-4,5-diacetoxy-2-(acetoxymethyl)-6-(3-((S)-2-(((benzyloxy)carbonyl)amino)-3-methoxy-3-oxopropyl)thioureido)tetrahydro-2H-pyran-3-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate