methyl (benzyl 2-O-benzoyl-3-O-benzyl-β-D-glucopyranosyluronate)-(1->4)-2-azido-3-O-benzyl-2-deoxy-6-O-(4-methoxybenzyl)-α-D-glucopyranoside 、 (methyl 4-O-acetyl-2-O-(2-(azidomethyl)benzoyl)-3-O-benzyl-β-D-glucopyranosyluronate)-(1->4)-2-azido-3-O-benzyl-2-deoxy-6-O-(4-methoxybenzyl)-α/β-D-glucopyranosyl N-phenyltrifluoroacetimidate 在
叔丁基二甲硅基三氟甲磺酸酯 作用下,
以
甲苯 为溶剂,
以71%的产率得到methyl (methyl 4-O-acetyl-2-O-(2-(azidomethyl)benzoyl)-3-O-benzyl-β-D-glucopyranosyluronate)-(1->4)-(2-azido-3-O-benzyl-2-deoxy-6-O-(4-methoxybenzyl)-α/β-D-glucopyranosyl)-(1->4)-(benzyl 2-O-benzoyl-3-O-benzyl-β-D-glucopyranosyluronate)-(1->4)-2-azido-3-O-benzyl-2-deoxy-6-O-(4-methoxybenzyl)-α-D-glucopyranoside