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