2-phenyl-3-(4'-[N-(4''-aminophenyl)carbamoyl]-phenyl)-quinazoline-4(3H)-one-6-sulphonic acid 、
4-((4-chloro-6-((4-nitrophenyl)amino)-1,3,5-triazin-2-yl)amino)-5-hydroxynaphthalene-2,7-disulfonic acid 在
盐酸 、 sodium nitrite 、
sodium carbonate 作用下,
以
水 为溶剂,
反应 1.08h,
以85%的产率得到trisodium 5-(4-chloro-6-(4-nitrophenylamino)-1,3,5-triazin-2-ylamino)-4-hydroxy-3-((4-(4-(4-oxo-2-phenyl-6-sulfonatoquinazolin-3(4H)-yl)phenyl)carbonylaminophenyl)diazenyl)naphthalene-2,7-disulfonate