8,9,19,20,25,26,31,32-Octamethoxynonacyclo[14.6.6.65,12.02,15.04,13.06,11.017,22.023,28.029,34]tetratriaconta-2(15),4(13),6,8,10,17,19,21,23,25,27,29,31,33-tetradecaene-3,14-dione 在
ammonium cerium (IV) nitrate 、
水 作用下,
以
乙腈 为溶剂,
反应 3.0h,
以37%的产率得到(1R,5S,12R,16S)-25,26,31,32-tetramethoxynonacyclo[14.6.6.65,12.02,15.04,13.06,11.017,22.023,28.029,34]tetratriaconta-2(15),4(13),6,10,17,21,23,25,27,29,31,33-dodecaene-3,8,9,14,19,20-hexone