A novel method for preparing 5-[2-(methylthio)ethoxylpyrimidin-2-amine useful as a regent or raw material for manufacture of medicaments, agricultural chemicals, and industrial products, which comprises alkanoylating the amino group of a 2-amino-4-alkoxypyrimidine, then converting the resultant into a 4-hydroxypyrimidine compound by a treatment with anhydrous aluminum chloride, further etherifying the 4-hydroxypyrimidine compound by a reaction with a 2-haloethyl methyl sulfide in the presence of a base, and removing the alkanoyl group to obtain 5-[2-(methylthio)ethoxylpyrimidin-2-amine.
一种制备 5-[2-(甲
硫基)乙氧基
嘧啶-2-胺的新方法,可用作药物、农药和工业产品的试剂或原料,该方法包括将 2-
氨基-4-烷氧基
嘧啶的
氨基烷酰化、然后用无
水氯化铝处理,将生成物转化为 4-
羟基嘧啶化合物,在碱存在下,通过与 2-卤乙基甲基
硫醚反应,进一步醚化 4-
羟基嘧啶化合物,并除去烷酰基,得到 5-[2-(甲
硫基)乙氧基
嘧啶-2-胺]。