9-[(2R,3R,4R,5S,6R)-5-((3R,4S,5R,6R)-3-Acetoxy-4,5-bis-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxy)-3-acetylamino-4-benzyloxymethoxy-6-benzyloxymethoxymethyl-tetrahydro-pyran-2-yloxy]-nonanoic acid methyl ester 在
甲醇 、
sodium methylate 作用下,
生成
8-methoxycarbonyloctyl 2-acetamido-3,6-di-O-benzyloxymethyl-2-deoxy-4-O-(3,4,6-tri-O-benzyl-β-D-glucopyranosyl)-β-D-glucopyranoside 、
8-methoxycarbonyloctyl 2-acetamido-3,6-di-O-benzyloxymethyl-2-deoxy-4-O-(3,4,6-tri-O-benzyl-α-D-glucopyranosyl)-β-D-glucopyranoside