2,2-Dimethyl-propionic acid (S)-2-((4S,5R,6R)-6-{(2R,5R,2'S,5'R)-5'-[(S)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2,5'-dimethyl-octahydro-[2,2']bifuranyl-5-ylmethyl}-2,2,5-trimethyl-[1,3]dioxan-4-yl)-propyl ester 在
二异丁基氢化铝 作用下,
生成
(S)-2-((4S,5R,6R)-6-{(2R,5R,2'S,5'R)-5'-[(S)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2,5'-dimethyl-octahydro-[2,2']bifuranyl-5-ylmethyl}-2,2,5-trimethyl-[1,3]dioxan-4-yl)-propan-1-ol