7-dodecyloxy-2-oxo-2H-chromene-3-carboxylic acid {2-[4,6-bis-(1,4,7,10 tetraaza-cyclododec-1-yl)-[1,3,5]triazin-2-ylamino]ethyl}amide triflouroacetate 在
basic ion exchange resin 作用下,
以
水 为溶剂,
以62%的产率得到5-dimethylamino-naphthalene-1-sulfonic acid {2-[4,6-bis-(1,4,7,10-tetraaza-cyclododec-1-yl)-[1,3,5]triazin-2-ylamino]-ethyl}-amide