tert-butyl N-[4-butoxy-3-[[5-[(2-butoxy-5-formylbenzoyl)amino]-2,4-bis(2-methylpropoxy)phenyl]carbamoyl]phenyl]carbamate 在
三氟乙酸 作用下,
以
氯仿 为溶剂,
反应 1.5h,
以100%的产率得到5,14,26,35-Tetrabutoxy-19,21,40,42-tetrakis(2-methylpropoxy)-2,9,17,23,30,38-hexazaheptacyclo[37.3.1.14,8.111,15.118,22.125,29.132,36]octatetraconta-1(42),4,6,8(48),9,11(47),12,14,18(46),19,21,25,27,29(45),30,32(44),33,35,39(43),40-icosaene-3,16,24,37-tetrone