Acetic acid (4aR,6R,7S,8S,8aR)-8-benzyloxy-6-(4-methoxy-phenoxy)-2,2-dimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester 在
氢气 作用下,
生成
Acetic acid (2R,3S,4S,5R,6R)-4-benzyloxy-5-hydroxy-6-hydroxymethyl-2-(4-methoxy-phenoxy)-tetrahydro-pyran-3-yl ester