乙酸酐 、
(1S)-1-[(2R,5S)-5-[(2S,5S)-5-[(1R)-1-hydroxy-2-methoxyethyl]oxolan-2-yl]oxolan-2-yl]ethane-1,2-diol 在
吡啶 作用下,
反应 16.0h,
生成 Acetic acid (S)-2-acetoxy-1-[(2S,5R,2'S,5'S)-5'-((R)-1-acetoxy-2-methoxy-ethyl)-octahydro-[2,2']bifuranyl-5-yl]-ethyl ester 、 Acetic acid (R)-2-acetoxy-1-[(2R,5S,2'R,5'R)-5'-((S)-1-acetoxy-2-methoxy-ethyl)-octahydro-[2,2']bifuranyl-5-yl]-ethyl ester