allyl (methyl 2,3-di-O-benzyl-4-O-levulinoyl-β-D-glucopyranosyluronate)-(1→3)-(4,6-di-Obenzyl-2-deoxy-2-trichloroacetamido-β-D-glucopyranosyl)-(1→4)-(methyl 2,3-di-O-benzyl-β-D-glucopyranosyluronate)-(1→3)-4,6-di-O-benzyl-2-deoxy-2-trichloroacetamido-β-Dglucopyranoside 在
吡啶 、
一水合肼 、
溶剂黄146 、
烯丙醇 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以78%的产率得到allyl (methyl 2,3-di-O-benzyl-β-D-glucopyranosyluronate)-(1→3)-(4,6-di-O-benzyl-2-deoxy-2-trichloroacetamido-β-D-glucopyranosyl)-(1→4)-(methyl 2,3-di-O-benzyl-β-D-glucopyranosyluronate)-(1→3)-4,6-di-O-benzyl-2-deoxy-2-trichloroacetamido-β-D-glucopyranoside