(R)-1-(tert-Butyl-dimethyl-silanyloxy)-6-((1aS,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-methyl-heptan-3-one                                                                                                                                                              在
                                                                                                                                                                                 
吡啶   、                                                                                                  
正丁基锂   、                                                                                                  
四丁基氟化铵                                                                                                                                  作用下,
                                                                                                                                                                                        反应 21.0h,
                                                                                                                生成                                                 Toluene-4-sulfonic acid (R)-6-((1aS,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-methyl-3-methylene-heptyl ester