[(2R,3R,4S,5R,6R)-4,5-diacetyloxy-2-[[[(2R,3S,4S,5R,6R)-6-[(2R,3R,4S,5S,6R)-6-(azidomethyl)-3,4,5-trihydroxyoxan-2-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methylcarbamothioylamino]methyl]-6-[(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-[[[(2R,3S,4S,5R,6R)-6-[(2R,3R,4S,5S,6R)-6-(azidomethyl)-3,4,5-trihydroxyoxan-2-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methylcarbamothioylamino]methyl]oxan-2-yl]oxyoxan-3-yl] acetate 在
sodium methylate 、
水 作用下,
以
甲醇 为溶剂,
反应 1.5h,
以100%的产率得到1-[[(2R,3S,4S,5R,6R)-6-[(2R,3R,4S,5S,6R)-6-(azidomethyl)-3,4,5-trihydroxyoxan-2-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methyl]-3-[[(2R,3S,4S,5R,6R)-6-[(2R,3R,4S,5S,6R)-6-[[[(2R,3S,4S,5R,6R)-6-[(2R,3R,4S,5S,6R)-6-(azidomethyl)-3,4,5-trihydroxyoxan-2-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methylcarbamothioylamino]methyl]-3,4,5-trihydroxyoxan-2-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methyl]thiourea