1-[2-[2-[2-[2-[[27-[2-[2-[2-(2-Acetylphenoxy)ethoxy]ethoxy]ethoxy]-26,28-dihydroxy-25-pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3(28),4,6,9(27),10,12,15,17,19(26),21,23-dodecaenyl]oxy]ethoxy]ethoxy]ethoxy]phenyl]ethanone 、 4-nitrobenzenediazonium tetrafluoroborate 在
吡啶 作用下,
以
四氢呋喃 为溶剂,
反应 15.5h,
生成 1-[2-[2-[2-[2-[[27-[2-[2-[2-(2-Acetylphenoxy)ethoxy]ethoxy]ethoxy]-26,28-dihydroxy-5,17-bis[(4-nitrophenyl)diazenyl]-25-pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9(27),10,12,15(26),16,18,21,23-dodecaenyl]oxy]ethoxy]ethoxy]ethoxy]phenyl]ethanone