1-(methoxycarbonyl)pentadec-10(S)-yl 2-O-acetyl-3-O-p-methoxybenzyl-4-O-tert-butyldimethylsilyl-α-L-rhamnopyranosyl-(1→2)-3,4-O-isopropylidene-β-D-fucopyranoside 在
水 、 potassium hydroxide 作用下,
以
四氢呋喃 为溶剂,
反应 6.0h,
以92%的产率得到1-(hydroxycarbonyl)pentadec-10(S)-yl 3-O-p-methoxybenzyl-4-O-tert-butyldimethylsilyl-α-L-rhamnopyranosyl-(1→2)-3,4-O-isopropylidene-β-D-fucopyranoside