[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