tert-Butyl-{2-[(4S,6S)-6-((4R,6R)-6-{(4R,6S)-6-[(4R,6R)-6-(2,2-diphenyl-vinyl)-2,2-dimethyl-[1,3]dioxan-4-ylmethyl]-2,2-dimethyl-[1,3]dioxan-4-ylmethyl}-2,2-dimethyl-[1,3]dioxan-4-ylmethyl)-2,2-dimethyl-[1,3]dioxan-4-yl]-ethoxy}-dimethyl-silane 在
臭氧 、 sodium tetrahydroborate 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
生成 {(4R,6R)-6-[(4S,6R)-6-((4R,6R)-6-{(4S,6S)-6-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-ylmethyl}-2,2-dimethyl-[1,3]dioxan-4-ylmethyl)-2,2-dimethyl-[1,3]dioxan-4-ylmethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-methanol