2-(1,4,7,10-tetraazacyclododec-1-yl)-N-{4-[2-(1,4,7,10-tetraazacyclododec-1-yl-acetylamino)methyl]benzyl}acetamide 、
2-氯-N-甲基乙酰胺 在
potassium carbonate 作用下,
以
乙醇 为溶剂,
反应 40.0h,
以30%的产率得到2-(4,7-bis-methylcarbamoylmethyl-10-[(4-([2-(4,7,10-triscarbamoylmethyl-1,4,7,10-tetraazacyclododec-1-yl)-acetylamino]methyl)benzylcarbamoyl)methyl]-1,4,7,10-tetraazacyclododec-1-yl)acetamide