(3S,4R,5aR,6R,8R,9R,9aR)-8-(hydroxymethyl)-6-methoxy-1,2,3,4,5,5a,6,8,9,9a-decahydropyrano[4,3-b]azepine-3,4,9-triol 、
乙酸酐 在
吡啶 作用下,
反应 2.0h,
以78%的产率得到(3R,4S,5aR,6R,8R,9R,9aR)-8-(acetoxymethyl)-1-acetyl-6-methoxydecahydropyrano[4,3-b]azepine-3,4,9-triyl triacetate