1,4-二(溴甲基)苯 、
8,8-Dimethyl-5-(4-methylphenyl)-2-sulfanylidene-1H,2H,3H,4H,5H,6H,7H,8H,9H,10H-pyrimido[4,5-B]quinoline-4,6-dione 在
potassium hydroxide 作用下,
以
乙醇 为溶剂,
反应 2.0h,
以82%的产率得到2,2'-[[1,4-phenylenebis(methylene)]bis(sulfanediyl)]-bis[8,8-dimethyl-5-(p-tolyl)-5,8,9,10-tetrahydropyrimido-[4,5-b]quinoline-4,6(3H,7H)-dione]