4-methylumbelliferyl 2-acetamido-2-deoxy-4,6-O-di-tert-butylsilanediyl-β-D-glucopyranoside 、 methyl (2,3-dibenzoyl-4-O-(4,6-O-di-tert-butylsilandiyl-2-deoxy-3-O-levulinoyl-2-trichloroacetamido-β-D-glucopyranosyl)-α/β-D-glucopyranoside N-phenyl-2,2,2-trifluoroacetimidate)uronate 在
三氟甲磺酸 作用下,
以
二氯甲烷 为溶剂,
以60%的产率得到4-methylumbelliferyl 2-acetamido-4,6-O-di-tert-butylsilandiyl-2-deoxy-3-O-(methyl 2,3-dibenzoyl-4-O-(4,6-O-di-tert-butylsilandiyl-2-deoxy-3-O-levulinoyl-2-trichloroacetamido-β-D-glucopyranosyl)-β-D-glucopyranosyluronate)-β-D-glucopyranoside