(1RS,4RS,5RS,6RS)-5-exo,6-endo-bis{[(tert-butyl)dimrthylsilyl]oxy}-7-oxabicyclo[2.2.1]heptan-2-one 、
N,S-dimethyl-S-phenylsulfoximine 在
正丁基锂 作用下,
以
四氢呋喃 、
正己烷 为溶剂,
以42%的产率得到(1S,2S,4S,5S,6S)-2-exo-[((S)-N-methyl-S-phenylsulfonimidoyl)methyl]-5,6-bis[[(tert-butyl)dimethylsilyl]oxy]-7-oxabicyclo[2.2.1]heptan-2-ol