di-tert-butyl 2,2'-(((((2,2'-((15,35,55,75-tetra-tert-butyl-32,72-dihydroxy-1,3,5,7(1,3)-tetrabenzenacyclooctaphane-12,52-diyl)bis(oxy))bis(acetyl))bis(azanediyl))bis(ethane-2,1-diyl))bis(azanediyl))bis(carbonyl))(2S,2'S)-bis(pyrrolidine-1-carboxylate) 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 10.0h,
以71%的产率得到(2S)-N-[2-[[2-[[5,11,17,23-tetratert-butyl-26,28-dihydroxy-27-[2-oxo-2-[2-[[(2S)-pyrrolidine-2-carbonyl]amino]ethylamino]ethoxy]-25-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-dodecaenyl]oxy]acetyl]amino]ethyl]pyrrolidine-2-carboxamide