2(S)-ethyl-2-<5(S)-(<2-(trimethylsilyl)ethoxymethoxy>methyl)-3(S)-methyl-2(R)-tetrahydrofuryl>-3(R),4(S)-(dimethylmethylenedioxy)-5(S)-(benzyloxy)tetrahydrofuran 在
cesium fluoride 作用下,
以
六甲基磷酰三胺 为溶剂,
反应 27.0h,
以99%的产率得到2(S)-ethyl-2-<5(S)-(hydroxymethyl)-3(S)-methyl-2(R)-tetrahydrofuryl>-3(R),4(S)-(dimethylmethylenedioxy)-5(S)-(benzyloxy)tetrahydrofuran