4-chloro-2,6-bis(1,4,7,10-tetraazacyclododecane-4,7,10-tricarboxylic acid-tri-tert-butyl ester-1-yl)-[1,3,5]-triazine 、 2-amino-N-(2-aminoethyl)acetamide dihydrochloride 在
potassium carbonate 作用下,
以
1,4-二氧六环 为溶剂,
反应 72.5h,
以68%的产率得到hexa-tert-butyl 10,10'-(6-(2-(2-(4,6-bis(4,7,10-tris(tert-butoxycarbonyl)-1,4,7,10-tetraazacyclodo-decan-1-yl)-1,3,5-triazin-2-ylamino)acetamido)ethylamino)-1,3,5-triazine-2,4-diyl)bis(1,4,7,10-tetraazacyclododecane-1,4,7-tricarboxylate)