4-苄氧基苯酚 、
23-Bromo-5,11,17,23-tetratert-butyl-26,27,28-tripropoxypentacyclo[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-undecaen-25-one 在
silver perchlorate 、 sodium carbonate 作用下,
以
乙二醇二甲醚 为溶剂,
以17%的产率得到5,11,17-Tritert-butyl-23-(4-phenylmethoxyphenoxy)-26,27,28-tripropoxypentacyclo[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-dodecaen-25-ol