klysimplexin L   、                                                                                      
甲氧基-三氟甲基苯                                                                                                                                                                                              以
                                                                                         
吡啶                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                以86%的产率得到[(1R,2S,3S,4R,5S,6R,7R,8R,9R,12S)-5-acetyloxy-9-butanoyloxy-3-hydroxy-3,9-dimethyl-13-methylidene-6-propan-2-yl-12-[(2R)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoyl]oxy-15-oxatricyclo[6.6.1.02,7]pentadecan-4-yl] butanoate