(methyl 2-O-benzoyl-4-O-levulinoyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-6-O-acetyl-2-O-butyl-3-O-methyl-α/β-D-glucopyranose trichloroacetimidate 、
5-phenylpentyl (methyl 2-O-benzoyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-(6-O-acetyl-2-O-butyl-3-O-methyl-α-D-glucopyranosyl)-(1->4)-(methyl 2-O-benzoyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-(2-O-butyl-3-O-methyl-6-O-tert-butyldiphenylsilyl-α-D-glucopyranosyl)-(1->4)-(methyl 2-O-benzoyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-2-O-butyl-3-O-methyl-6-O-tert-butyldiphenylsilyl-β-D-glucopyranoside 在
叔丁基二甲硅基三氟甲磺酸酯 作用下,
以
甲苯 为溶剂,
反应 1.58h,
生成 5-phenylpentyl (methyl 2-O-benzoyl-4-O-levulinoyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-(6-O-acetyl-2-O-butyl-3-O-methyl-α-D-glucopyranosyl)-(1->4)-(methyl 2-O-benzoyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-(6-O-acetyl-2-O-butyl-3-O-methyl-α-D-glucopyranosyl)-(1->4)-(methyl 2-O-benzoyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-(2-O-butyl-3-O-methyl-6-O-tert-butyldiphenylsilyl-α-D-glucopyranosyl)-(1->4)-(methyl 2-O-benzoyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-2-O-butyl-3-O-methyl-6-O-tert-butyldiphenylsilyl-β-D-glucopyranoside