(1R,4R,5S)-1-[(1S)-2-hydroxy-1-(4-methoxyphenylmethoxy)ethyl]-4-[(1S,2S,3E)-4-iodo-2-methoxy-1-(methoxymethoxy)pent-3-enyl]-7,7-dimethyl-2-oxabicyclo[3.2.0]heptan-3-one 在
戴斯-马丁氧化剂 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以96 mg的产率得到(1R,4R,5S)-4-[(1S,2S,3E)-4-iodo-2-methoxy-1-(methoxymethoxy)pent-3-enyl]-1-[(1R)-1-(4-methoxyphenylmethoxy)-2-oxoethyl]-7,7-dimethyl-2-oxabicyclo[3.2.0]heptan-3-one