[(1R,2S,3S,4R,5R)-2-[[(3aS,4R,6S,7R,7aR)-7-hydroxy-2,2-dimethyl-4-(trityloxymethyl)-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-6-yl]oxy]-3-hydroxy-6,8-dioxabicyclo[3.2.1]octan-4-yl] 2,4,6-tri(propan-2-yl)benzenesulfonate 在
sodium hydroxide 、
四乙基溴化铵 作用下,
以
四氢呋喃 、
甲醇 、
1,2-二氯乙烷 、
N,N-二甲基甲酰胺 为溶剂,
反应 35.0h,
生成 (1R,2S,4S,5R,6R)-5-[(3aS,4R,6S,7R,7aS)-2,2-Dimethyl-7-((2S,3S,4R,5R,6S)-3,4,5-tris-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-4-trityloxymethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-yloxy]-3,8,9-trioxa-tricyclo[4.2.1.0
2,4]nonane