N-{2-[2-(2-Amino-ethoxy)-ethoxy]-ethyl}-4-[(2-amino-4-hydroxy-pteridin-6-ylmethyl)-amino]-benzamide 、
N,N',N'-tris(tert-butyloxycarbonylmethyl)-N'',N''-bis(acetic acid)diethylenetriamine 在
7-甲基-1,5,7-三氮杂二环[4.4.0]癸-5-烯 N-甲基吗啉 、 benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate 、
1-羟基苯并三唑 作用下,
以
二甲基亚砜 为溶剂,
生成 [({2-[2-(2-{4-[(2-Amino-4-hydroxy-pteridin-6-ylmethyl)-amino]-benzoylamino}-ethoxy)-ethoxy]-ethylcarbamoyl}-methyl)-(2-{[2-(bis-tert-butoxycarbonylmethyl-amino)-ethyl]-tert-butoxycarbonylmethyl-amino}-ethyl)-amino]-acetic acid