N-((4-((4-propoxyphenyl)ethynyl)pyridin-2-yl)methyl)-2-(1,4,10,13-tetraoxa-7,16-diazacyclooctadecan-7-yl)acetamide 、
1,4,7,10-四氮杂环十二烷-1,4,7,10-四乙酸三叔丁酯 在
N,N-二异丙基乙胺 、
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 5.08h,
以58%的产率得到tert-butyl 2,2',2''-(10-(2-oxo-2-(16-(2-oxo-2-((4-((4-propoxyphenyl)ethynyl)pyridin-2-yl)methylamino)ethyl)-1,4,10,13-tetraoxa-7,16-diazacyclooctadecan-7-yl)ethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetate