2-chloro-5,5-dimethyl-1,3,2-dioxaphosphorinane-2-thione 、
sodium salt of 5-ethylthio-1-methyl-6-oxo-1H-pyridazin-4-ol 以
丙酮 为溶剂,
反应 3.0h,
以76.8%的产率得到5-(5,5-Dimethyl-2-thioxo-2λ
5-[1,3,2]dioxaphosphinan-2-yloxy)-4-ethylsulfanyl-2-methyl-2H-pyridazin-3-one