(R)-1-((3aR,5R,6S,6aR)-6-Benzyloxy-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-2-((2R,3R,4S,5R,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-yl)-but-3-en-1-ol 在
jones reagent 作用下,
生成
(S)-1-((3aR,5S,6R,6aR)-6-Benzyloxy-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-2-((2R,3R,4S,5R,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-yl)-but-3-en-1-one