(1S,6S)-6-hydroxy-4-{{(4R,6R)-6-{(2R)-4-hydroxy-2-[(4-methoxybenzoyl)oxy]butyl}-2,2-dimethyl-1,3-dioxan-4-yl}methyl}cyclohept-3-en-1-yl 4-methoxybenzoate 在
二异丁基氢化铝 作用下,
以
二氯甲烷 为溶剂,
以83%的产率得到(1S,3S)-5-{{(4R,6S)-6-[(2R)-2,4-dihydroxybutyl]-2,2-dimethyl-1,3-dioxan-4-yl}methyl}cyclohept-5-ene-1,3-diol