2-Acetamido-3,4,6-tri-O-acetyl-2-desoxy-β-D-glucopyranosyl-(1->2)-1,3-di-O-acetyl-α-D-mannopyranose 在
咪唑 、
碘 、
三苯基膦 作用下,
以
1,4-二氧六环 、
甲苯 为溶剂,
反应 12.0h,
以61%的产率得到Acetic acid (2R,3S,4R,5R,6S)-3-acetoxy-2-acetoxymethyl-5-acetylamino-6-((2R,3S,4S,5S,6S)-2,4-diacetoxy-5-hydroxy-6-iodomethyl-tetrahydro-pyran-3-yloxy)-tetrahydro-pyran-4-yl ester