2-((2R,4aR,6S,8S,8aR)-8-Benzyloxy-7-oxo-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxymethyl)-benzoic acid benzyl ester 在
palladium on activated charcoal ammonium acetate 、
氢气 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以92%的产率得到2-((2R,4aR,6S,8S,8aR)-8-Benzyloxy-7-oxo-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxymethyl)-benzoic acid