N-(3,5-dichloropyridin-4-yl)-N'-(2-ethyl-6-{3-[(3-methoxyphenyl)thio]phenyl}-3-oxo-2,3-dihydropyridazin-4-yl)urea 在
Oxone 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以91%的产率得到N-(3,5-dichloropyridin-4-yl)-N'-(2-ethyl-6-{3-[(3-methoxyphenyl)sulfonyl]phenyl}-3-oxo-2,3-dihydropyridazin-4-yl)urea