(1S,6S)-6-(acetyloxy)-{{(1R,2S,4S,6S)-6-(acetyloxy)-1,2-dihydroxy-4-[(4-methoxybenzoyl)oxy]cycloheptyl}methyl}cyclohept-3-en-1-yl 4-methoxybenzoate 在
magnesium methanolate 作用下,
以
甲醇 为溶剂,
反应 5.0h,
以97%的产率得到(1S,6S)-6-(hydroxy)-{{(1R,2S,4S,6S)-1,2,6-trihydroxy-4-[(4-methoxybenzoyl)oxy]cycloheptyl}methyl}cyclohept-3-en-1-yl 4-methoxybenzoate