9-[(2S,3R,4S,5R,6R)-4,5-Diacetoxy-6-acetoxymethyl-3-((3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-yloxy]-nonanoic acid methyl ester 在
sodium methylate 作用下,
以
甲醇 为溶剂,
生成 9-[(2S,3R,4S,5S,6R)-4,5-Dihydroxy-6-hydroxymethyl-3-((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-yloxy]-nonanoic acid methyl ester 、 8-methoxycarbonyloctyl α-kojibioside