(E)-1,1-dimethyl-2-(2-methylallylidene)hydrazine 、
2,4-dimethyl-2H,4H-pyrimido[4,5-c]-isoquinoline-1,3,7,10-tetraone 以
乙腈 为溶剂,
反应 24.0h,
以65%的产率得到8-(dimethylamino)-2,4,10-trimethyl-7a,8,11,11a-tetrahydropyrimido[5',4':5,6]pyrido[4,3-g]quinoline-1,3,7,12(2H,4H)-tetraone