Acetic acid (E)-(2S,5S,6S,13S)-17-formyl-13-hydroxy-6-methyl-tricyclo[13.2.2.0
2,6]nonadeca-1(18),9,15(19),16-tetraen-5-yl ester                                                                                                                                                              在
                                                                                                                                                                                 
咪唑   、                                                                                                  
4-二甲氨基吡啶   、                                                                                                  sodium tetrahydroborate   、                                                                                                  4 A molecular sieve                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇   、                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 0.67h,
                                                                                                                生成                                                 
Acetic acid (E)-(2S,5S,6S,13S)-13-(tert-butyl-dimethyl-silanyloxy)-17-(tert-butyl-dimethyl-silanyloxymethyl)-6-methyl-tricyclo[13.2.2.02,6]nonadeca-1(18),9,15(19),16-tetraen-5-yl ester