在
ammonium cerium (IV) nitrate 作用下,
以
四氢呋喃 、
水 为溶剂,
以44%的产率得到Methyl 2-[[9,24,26,32-tetramethoxy-19,28,34-tris(2-methoxy-2-oxoethoxy)-15,31-dioxo-4-hexacyclo[21.2.2.23,6.28,11.213,16.218,21]pentatriaconta-1(25),3(35),4,6(34),8(33),9,11(32),13,16(30),18,20,23,26,28-tetradecaenyl]oxy]acetate