6-{(2R,3R,4S,5S,6R)-3-Acetoxy-6-acetoxymethyl-4,5-bis-[(2S,3R,4R,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-3-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-tetrahydro-pyran-2-yloxy]-tetrahydro-pyran-2-yloxy}-hexanoic acid methyl ester 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 8.0h,
生成 6-{(2R,3R,4R,5S,6R)-4,5-Bis-[(2S,3R,4R,5S,6R)-3-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy]-3-hydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy}-hexanoic acid methyl ester