[(2S,3S,4R,5R,6S)-6-[(2R,3R,4S,5R,6R)-5-(2-chloroacetyl)oxy-2-[[(2R,3S,4R)-3-(2-chloroacetyl)oxy-2-[(4-methylphenyl)sulfonyloxymethyl]-3,4-dihydro-2H-pyran-4-yl]oxy]-6-[(4-methylphenyl)sulfonyloxymethyl]-3-phenylsulfanyloxan-4-yl]oxy-4-hydroxy-5-iodo-2,4-dimethyloxan-3-yl] 2-methylpropanoate 、
苯次磺酰氯 以
二氯甲烷 为溶剂,
生成