5,5-dimethyl-3-benzylamino-2-cyclohexen-1-one 、
1,3-di(3-methoxyphenyl)-5-(4-methylphenylidene)-2-thiobarbituric acid 以
甲醇 为溶剂,
以62%的产率得到1,3-di(3-methoxyphenyl)-5-(4-methylphenyl)-10-benzyl-1,2,3,4,6,7,8,9-octahydro-8,8-dimethyl-4,6-dioxo-2-thioxo-5H,10H-pyrimido[4,5-b]quinoline