[(9R,10R)-6-bromo-3,4,5,14,15,16-hexamethoxy-9,10-dimethyl-9-tricyclo[10.4.0.02,7]hexadeca-1(16),2(7),3,5,12,14-hexaenyl] acetate 在
potassium hydroxide 作用下,
以
甲醇 为溶剂,
反应 6.0h,
以73%的产率得到(9R,10R)-6-bromo-3,4,5,14,15,16-hexamethoxy-9,10-dimethyltricyclo[10.4.0.02,7]hexadeca-1(16),2(7),3,5,12,14-hexaen-9-ol