1-(27-acetyl-5,8,11,16,17,22,25,28-octamethoxy-6-heptacyclo[16.12.0.02,15.03,12.04,9.021,30.024,29]triaconta-1(18),2(15),3,5,7,9,11,13,16,19,21,23,25,27,29-pentadecaenyl)ethanone 在
三溴化硼 作用下,
以
二氯甲烷 为溶剂,
以75%的产率得到1-(27-acetyl-5,28-dihydroxy-8,11,16,17,22,25-hexamethoxy-6-heptacyclo[16.12.0.02,15.03,12.04,9.021,30.024,29]triaconta-1(18),2(15),3,5,7,9,11,13,16,19,21,23,25,27,29-pentadecaenyl)ethanone