(3E,5E,9E)-tert-butyl-11-[2-cyano-3-(1-hydroxyethyl)oxiranyl]-[(2E)-ethylidene]-4,10-dimethyl-11-oxoundeca-3,5,9-trienate                                                                                                                                                                                              以
                                                                                         
正己烷   、                                                                                         
乙酸乙酯                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 tert-butyl (2E,3E,5E,9E)-2-ethylidene-4,10-dimethyl-11-[(1R,4S,5S)-4-methyl-2-oxo-3,6-dioxabicyclo[3.1.0]hexan-1-yl]-11-oxoundeca-3,5,9-trienoate   、                                                                                             
tert-butyl (2E,3E,5E,9E)-11-[(2R,3S)-2-carbamoyl-3-[(1S)-1-hydroxyethyl]oxiran-2-yl]-2-ethylidene-4,10-dimethyl-11-oxoundeca-3,5,9-trienoate