3-(4-chlorophenyl)-8,8-dimethyl-5-(4-nitrophenyl)-5,8,9,10-tetrahydro[1,2,3] triazolo [4',3':1,2]pyrimido[4,5-b]quinoline-4,6-dione 在
三氯氧磷 作用下,
反应 12.0h,
以80%的产率得到6-chloro-3,8,8-trimethyl-2-methylthio-5-(4-nitrophenyl)-5,8,9,10-tetrahydro-pyrimido[4,5-b]quinoline-4,6-dione