N4-(6-amino-hexyl)-5-nitro-N2-phenyl-pyrimidine-2,4-diamine 、 Oregon Green 488 carboxylic acid succinimidyl ester 以
N,N-二甲基甲酰胺 为溶剂,
反应 16.0h,
以64%的产率得到6-(2,7-difluoro-6-hydroxy-3-oxo-3H-xanthen-9-yl)-N-[6-(5-nitro-2-phenylamino-pyrimidin-4-ylamino)-hexyl]-isophthalamic acid