(S,Z)-5-(((1s,4s)-4-((2E,4E)-5-((3R,5S)-7,7-dimethyl-1,6-dioxaspiro[2.5]octan-5-yl)-3-methylpenta-2,4-dien-1-yl)cyclohexyl)amino)-5-oxopent-3-en-2-yl(4-nitrophenyl)carbonate   、                                                                                      
1-(3-甲氧基苯基)哌嗪                                                                                                                                                                                              以
                                                                                         
1,2-二氯乙烷                                                                                  为溶剂,
                                                                                                                                                    反应 1.25h,
                                                                                                                以46%的产率得到(S,Z)-5-((1R,4R)-4-((2E,4E)-5-((3R,5S)-7,7-dimethyl-1,6-dioxaspiro[2.5]octan-5-yl)-3-methylpenta-2,4-dienyl)cyclohexylamino)-5-oxopent-3-en-2-yl 4-(3-methoxyphenyl)piperazine-1-carboxylate