(E)-(4S,5R,6S)-6-{(4R,6S)-6-[(1R,2S,4S)-6-Benzyloxy-2-methoxy-4-(4-methoxy-benzyloxy)-1-methyl-hexyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-5-(tert-butyl-dimethyl-silanyloxy)-4-methyl-hept-2-enoic acid ethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
四氧化锇   、                                                                                                  
N-甲基吲哚酮                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
水   、                                                                                         
丙酮   、                                                                                         
叔丁醇                                                                                  为溶剂,
                                                                                                                                                                                        以71%的产率得到(4S,5R,6S)-6-{(4R,6S)-6-[(1R,2S,4S)-6-Benzyloxy-2-methoxy-4-(4-methoxy-benzyloxy)-1-methyl-hexyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-5-(tert-butyl-dimethyl-silanyloxy)-2,3-dihydroxy-4-methyl-heptanoic acid ethyl ester