5,11,17,23-Tetratert-butyl-25,27-dimethoxy-26,28-bis[2-(2-nitrophenoxy)ethoxy]pentacyclo[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 在
sodium hydroxide 、
异丙醇 、
锌 作用下,
以
水 为溶剂,
反应 48.0h,
以12%的产率得到28,34,40,45-Tetratert-butyl-49,50-dimethoxy-3,6,21,24-tetraoxa-13,14-diazaoctacyclo[24.15.7.132,36.143,47.02,38.07,12.015,20.025,30]pentaconta-1,7,9,11,13,15,17,19,25,27,29,32(50),33,35,38,40,43,45,47(49)-nonadecaene