(2S)-5-[[(3aR,5R,6S,6aR)-5-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-6-yl]oxy]-1-phenylmethoxypent-4-yn-2-ol 在
lithium aluminium tetrahydride 作用下,
以
四氢呋喃 为溶剂,
生成 (E,2S)-5-[[(3aR,5R,6S,6aR)-5-[(4R)-2,2-dimethyl-1,3-dioxolan-4-yl]-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-6-yl]oxy]-1-phenylmethoxypent-4-en-2-ol