(S)-3-((2R,5R,6S)-5-Benzyloxy-5-ethyl-6-methyl-tetrahydro-pyran-2-yl)-5-((4S,5S)-5-ethyl-2,2-dimethyl-[1,3]dioxan-4-yl)-1-(4-methoxy-phenyl)-hex-1-yn-3-ol 在
lithium aluminium tetrahydride 作用下,
以
四氢呋喃 为溶剂,
以97%的产率得到(E)-(S)-3-((2R,5R,6S)-5-Benzyloxy-5-ethyl-6-methyl-tetrahydro-pyran-2-yl)-5-((4S,5S)-5-ethyl-2,2-dimethyl-[1,3]dioxan-4-yl)-1-(4-methoxy-phenyl)-hex-1-en-3-ol