19,25-Dimethoxyhexacyclo[22.3.1.116,20.02,15.04,13.06,11]nonacosa-1(28),2,4(13),6,8,10,14,16(29),17,19,24,26-dodecaene-5,12-dione 在
三氯化铁 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以92%的产率得到19,25-Dimethoxyheptacyclo[14.11.2.02,15.04,13.06,11.020,29.024,28]nonacosa-1(28),2,4(13),6,8,10,14,16(29),17,19,24,26-dodecaene-5,12-dione