4-戊烯-1-醇 、 (methyl 2-O-acetyl-4-O-levulinoyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-6-O-acetyl-2-[(benzyloxy)carbonyl]amino-2-deoxy-3-O-methyl-α/β-D-glucopyranose trichloroacetimidate 在
叔丁基二甲硅基三氟甲磺酸酯 作用下,
以
二氯甲烷 为溶剂,
反应 2.5h,
生成
pent-4-en-1-yl (methyl 2-O-acetyl-4-O-levulinoyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-6-O-acetyl-2-[(benzyloxy)carbonyl]amino-2-deoxy-3-O-methyl-β-D-glucopyranoside