5,17-N,N-bis[4-amino-6-(2-(ethanoic acid)amino)-1,3,5-triazin-2-yl]diamino-25,26,27,28-tetrapropoxycalix[4]arene 、
L-丙氨酸甲酯盐酸盐 在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
氯仿 为溶剂,
反应 14.0h,
以50%的产率得到methyl (2S)-2-[[2-[[4-amino-6-[[17-[[4-amino-6-[[2-[[(2S)-1-methoxy-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-1,3,5-triazin-2-yl]amino]-25,26,27,28-tetrapropoxy-5-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]amino]-1,3,5-triazin-2-yl]amino]acetyl]amino]propanoate