(2R,3S,4S,5R,6S)-2-(acetoxymethyl)-6-(((2R,3R,4S,5R,6S)-4,5-diacetoxy-2-(acetoxymethyl)-6-((4,16-dioxo-6,9,12-trioxa-3,15-diazatetraconta-25,27-diyn-1-yl)thio)tetrahydro-2H-pyran-3-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以75%的产率得到N-[2-[2-[2-[2-[2-[(2S,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]sulfanylethylamino]-2-oxoethoxy]ethoxy]ethoxy]ethyl]pentacosa-10,12-diynamide