11-amino-N-(3,6,9,12,15,18,21-heptaoxadocosyl)undecanamide salified with 1/3 HCl 、
二亚乙基三胺五乙酸二酐 以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 0.25h,
以74%的产率得到6,9-bis(carboxymethyl)-3-(2,14-dioxo-18,21,24,27,30,33,36-heptaoxa-3,15-diazaheptatriacontanyl)-11,23-dioxo-27,30,33,36,39,42,45-heptaoxa-3,6,9,12,24-pentaazahexatetracontanoic acid