[8,11,16,17,22,25-hexamethoxy-28-[(1S,4R)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carbonyl]oxy-5-heptacyclo[16.12.0.02,15.03,12.04,9.021,30.024,29]triaconta-1(18),2(15),3(12),4,6,8,10,13,16,19,21(30),22,24,26,28-pentadecaenyl] (1S,4R)-4,7,7-trimethyl-3-oxo-2-oxabicyclo[2.2.1]heptane-1-carboxylate                                                                                                                                                              在
                                                                                                                                                                                 
正丁基锂                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         
正己烷                                                                                  为溶剂,
                                                                                                                                                    反应 0.33h,
                                                                                                                以96%的产率得到8,11,16,17,22,25-hexamethoxyheptacyclo[16.12.0.02,15.03,12.04,9.021,30.024,29]triaconta-1(18),2(15),3(12),4,6,8,10,13,16,19,21(30),22,24,26,28-pentadecaene-5,28-diol