2-O-benzoyl-3-O-4-methoxybenzyl-β-D-glucopyranosyl-(1->1)-(2S,3S,4R)-3-O-acetyl-2-octadecanoylamino-octadecane-4,6-succinate 、 (2S,4S,5R,6R)-4-Acetoxy-5-acetylamino-2-[(2R,3S,4S,5R)-3,5-bis-benzoyloxy-2-benzoyloxymethyl-6-(2,2,2-trichloro-acetimidoyloxy)-tetrahydro-pyran-4-yloxy]-6-((1S,2R)-1,2,3-triacetoxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以70%的产率得到(methyl 5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonate)-(2->3)-(2,4,6-tri-O-benzoyl-β-D-galactopyranosyl)-(1->4)-2-O-benzoyl-3-O-4-methoxybenzyl-β-D-glucopyranosyl-(1->1)-(2S,3S,4R)-3-O-acetyl-2-octadecanoylamino-octadecane-4,6-succinate