allyl (6-O-levulinoyl-2,3,4-tri-O-p-toluoyl-β-D-glucopyranosyl)-(1->3)-(4-O-acetyl-6-O-tert-butyldimethylsilyl-2-deoxy-2-phthalimido-β-D-galactopyranosyl)-(1->6)-[(6-O-levulinoyl-2,3,4-tri-O-p-toluoyl-β-D-glucopyranosyl)-(1->3)]-4-O-acetyl-2-deoxy... 在
水 、
对甲苯磺酸 作用下,
以
乙腈 为溶剂,
反应 0.33h,
以82%的产率得到allyl (6-O-levulinoyl-2,3,4-tri-O-p-toluoyl-β-D-glucopyranosyl)-(1->3)-(4-O-acetyl-2-deoxy-2-phthalimido-β-D-galactopyranosyl)-(1->6)-[(6-O-levulinoyl-2,3,4-tri-O-p-toluoyl-β-D-glucopyranosyl)-(1->3)]-4-O-acetyl-2-deoxy-2-phthalimido-β-D-galactop...