tert-butyl (1S,2S,6R,7R,9R)-7-[[(4aR,8R,8aS)-2,2-dimethyl-4,4a,8,8a-tetrahydropyrano[3,2-d][1,3]dioxin-8-yl]oxy]-12,12-dimethyl-4-oxo-3,8,11,13-tetraoxa-5-azatricyclo[7.4.0.02,6]tridecane-5-carboxylate 在
lithium hydroxide 作用下,
以
四氢呋喃 、
水 为溶剂,
反应 1.0h,
以71%的产率得到tert-butyl N-[(4aR,6R,7R,8S,8aS)-6-[[(4aR,8R,8aS)-2,2-dimethyl-4,4a,8,8a-tetrahydropyrano[3,2-d][1,3]dioxin-8-yl]oxy]-8-hydroxy-2,2-dimethyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-7-yl]carbamate