sodium 3-(7-methoxy-2,2,4-trimethyl-6-nitroso-3,4-dihydroquinolin-1(2H)-yl)propane-1-sulfonate 、 disodium 4-[7-hydroxy-2,2-dimethyl-4-(sulfonatomethyl)-3,4-dihydroquinolin-1(2H)-yl]butanoate 在
溶剂黄146 作用下,
反应 2.0h,
以20%的产率得到sodium 3-(11-(3-carboxypropyl)-2,2,4,10,10-pentamethyl-8-(sulfonatomethyl)-2,3,4,8,9,10-hexahydro-1H-dipyrido[3,2-b:2',3'-i]phenoxazin-11-ium-1-yl)propane-1-sulfonate