2-Methyl-4-(4-methylsulfanyl-phenyl)-6-oxo-1,4,5,6-tetrahydro-pyrimidine-5-carboxylic acid ethyl ester 在
2,3-二氯-5,6-二氰基-1,4-苯醌 作用下,
以
苯 为溶剂,
反应 1.0h,
以20%的产率得到2-Methyl-4-(4-methylsulfanyl-phenyl)-6-oxo-1,6-dihydro-pyrimidine-5-carboxylic acid ethyl ester