乙醛酸水合物 、
嗪草酮 在
乙醚 作用下,
以
乙酸乙酯 为溶剂,
反应 15.0h,
以25.2 g (87.5% of theory) of N-(3-methylthio-6-tert.-butyl-1,2,4-triazin-5-on-4-yl)- α-hydroxy-glycine of melting point 161° C (decomposition) were obtained的产率得到(6-
tert-butyl-3-methylsulfanyl-5-oxo-5
H-[1,2,4]triazin-4-ylamino)-hydroxy-acetic acid