(4R,5R,6R,7R)-4,5:7,8-Di-O-isopropylidene-6-tert-butyl-dimethylsilyloxyhexylidenecyclohexanespiro-2'-(1',3'-dioxolan)-4'-one 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以100%的产率得到3-Deoxy-4,5:7,8-di-O-isopropylidene-6-tert-butyldimethylsilyloxy-D-manno-2-octulosonic acid, sodium salt