乙酸酐   、                                                                                      
2-((3E,7E,11Z)-12-Fluoro-5-hydroxy-7-methyl-trideca-3,7,11-trienyl)-1,3-dimethyl-cyclopent-2-enol                                                                                                                                                              在
                                                                                                                                                                                 
吡啶   、                                                                                                  
氢氧化钾                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 Acetic acid (3aS,3bR,4S,5aS,8aR,8bR)-6-acetyl-1,3a,5a-trimethyl-2,3,3a,3b,4,5,5a,6,7,8,8a,8b,9,10-tetradecahydro-dicyclopenta[a,f]naphthalen-4-yl ester   、                                                                                             Acetic acid (3aS,3bR,4S,5aR,8aR,8bR)-6-acetyl-1,3a,5a-trimethyl-2,3,3a,3b,4,5,5a,6,7,8,8a,8b,9,10-tetradecahydro-dicyclopenta[a,f]naphthalen-4-yl ester