tri-tert-butyl 11-(4-(bromomethyl) benzyl)-1,4,8,11-tetraazacyclotetradecane-1,4,8-tricarboxylate 、
N,N,N′,N′-四乙基二乙烯三胺 、
potassium carbonate 在
silica gel 、
methanol-dichloromethane 作用下,
以
乙腈 为溶剂,
反应 1.0h,
以to give the title compound as an oil, (210 mg, 63%)的产率得到1-(4-{bis[2-(diethylamino)ethyl]aminomethyl}phenylmethyl)-4,8,11-tri-(t-butoxycarbonyl)-1,4,8,11-tetraazacyclotetradecane