C
55H
56O
12S 、
methyl (2S,3S,4S,5S,6R)-6-[(2S,3S,4S,5S,6R)-6-[(2S,3S,4S,5S,6R)-6-(3-azidopropoxy)-2-methoxycarbonyl-4,5-bis(phenylmethoxy)oxan-3-yl]oxy-2-methoxycarbonyl-4,5-bis(phenylmethoxy)oxan-3-yl]oxy-3-hydroxy-4,5-bis(phenylmethoxy)oxane-2-carboxylate 在
1-(苯基亚硫酰基)哌啶 、
三氟甲磺酸酐 、
2,4,6-三叔丁基嘧啶 作用下,
以
二氯甲烷 为溶剂,
反应 0.25h,
以69%的产率得到methyl (2S,3S,4S,5S,6R)-6-[(2S,3S,4S,5S,6R)-6-[(2S,3S,4S,5S,6R)-6-[(2S,3S,4S,5S,6R)-6-[(2S,3S,4S,5S,6R)-6-(3-azidopropoxy)-2-methoxycarbonyl-4,5-bis(phenylmethoxy)oxan-3-yl]oxy-2-methoxycarbonyl-4,5-bis(phenylmethoxy)oxan-3-yl]oxy-2-methoxycarbonyl-4,5-bis(phenylmethoxy)oxan-3-yl]oxy-2-methoxycarbonyl-4,5-bis(phenylmethoxy)oxan-3-yl]oxy-3,4,5-tris(phenylmethoxy)oxane-2-carboxylate