三氟乙酸 、
tri(tert-butyl) 10-(2-{10-[2-(2-methoxyethoxy)ethyl]-7,8-dimethyl-2,4-dioxo-4,10-dihydro-2H-benzo[g]pteridin-3-yl}acetyl)-1,4,7,10-tetraazacyclododecane-1,4,7-tricarboxylate 以
二氯甲烷 为溶剂,
反应 3.0h,
以99.1%的产率得到10-[2-(2-methoxyethoxy)ethyl]-7,8-dimethyl-3-[2-oxo-2-(1,4,7,10-tetraazacyclododec-1-yl)ethyl]-10H-benzo[g]pteridine-2,4-dione tri(trifluoroacetate)