(2R,3S,4S)-2-(tert-Butyl-dimethyl-silanyloxy)-1-{(2S,5R)-5-[2-(tert-butyl-dimethyl-silanyloxy)-1,1-dimethyl-ethyl]-2-methyl-tetrahydro-furan-2-yl}-3-hydroxy-4-methyl-hept-6-en-1-one 在
二异丁基氢化铝 作用下,
以
二氯甲烷 为溶剂,
以42%的产率得到(1S,2R,3S,4S)-2-(tert-Butyl-dimethyl-silanyloxy)-1-{(2S,5R)-5-[2-(tert-butyl-dimethyl-silanyloxy)-1,1-dimethyl-ethyl]-2-methyl-tetrahydro-furan-2-yl}-4-methyl-hept-6-ene-1,3-diol