allyl (methyl 2-O-benzoyl-3-O-benzyl-4-O-levulinoyl-β-D-glucopyranosyluronate-(1->3)-4-O-acetyl-6-O-benzyl-2-deoxy-2-trichloroacetamido-β-D-glucopyranosyl)-(1->4)-(methyl 2-O-benzoyl-3-O-benzyl-β-D-glucopyranosyluronate-(1->3)-4-O-acetyl-6-O-benzyl-2-deoxy-2-trichloroacetamido-β-D-glucopyranosyl)-(1->4)-(methyl 2-O-benzoyl-3-O-benzyl-β-D-glucopyranosyluronate)-(1->3)-4-O-acetyl-6-O-benzyl-2-deoxy-2-trichloroacetamido-β-D-glucopyranoside 在
乙酸肼 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 2.0h,
以83%的产率得到allyl (methyl 2-O-benzoyl-3-O-benzyl-β-D-glucopyranosyluronate-(1->3)-4-O-acetyl-6-O-benzyl-2-deoxy-2-trichloroacetamido-β-D-glucopyranosyl)-(1->4)-(methyl 2-O-benzoyl-3-O-benzyl-β-D-glucopyranosyluronate-(1->3)-4-O-acetyl-6-O-benzyl-2-deoxy-2-trichloroacetamido-β-D-glucopyranosyl)-(1->4)-(methyl 2-O-benzoyl-3-O-benzyl-β-D-glucopyranosyluronate)-(1->3)-4-O-acetyl-6-O-benzyl-2-deoxy-2-trichloroacetamido-β-D-glucopyranoside