Benzoic acid (2R,3R,4S,5R,6S)-2-{(2S,4aR,6R,7R,8S,8aS)-7-[2-(2-allyloxy-phenyl)-acetoxy]-8-benzyloxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxymethyl}-3,5-bis-benzyloxy-6-methoxy-tetrahydro-pyran-4-yl ester 在
四(三苯基膦)钯 作用下,
以
乙醇 、
水 为溶剂,
生成 Benzoic acid (2R,3R,4S,5R,6S)-3,5-bis-benzyloxy-2-((2S,4aR,6R,7R,8R,8aS)-8-benzyloxy-7-hydroxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxymethyl)-6-methoxy-tetrahydro-pyran-4-yl ester