5,11,17-Tritert-butyl-23-methoxypentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaene-25,26,27,28-tetrol 在
ammonium cerium (IV) nitrate 作用下,
以
水 、
乙腈 为溶剂,
反应 12.0h,
以78%的产率得到11,17,23-Tritert-butyl-25,26,27-trihydroxypentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,6,9,11,13(27),15(26),16,18,21(25),22-undecaene-5,28-dione