A process for producing a trichloropyrimidine compound represented by the formula (2):
wherein R represents a hydrogen atom etc., comprising reacting a dihydroxypyrimidine compound represented by the formula (1):
wherein R represents the same meaning as above, with sulfuryl chloride and at least one chlorinating agent selected from the group consisting of hydrogen chloride, thionyl chloride, phosgene, phosphorus oxychloride, phosphorus pentachloride and phosphorus trichloride in the presence of an organic base.
一种生产由式(2)代表的三
氯嘧啶化合物的工艺:其中R代表氢原子等,包括在有机碱存在下,将由式(1)代表的二
羟基嘧啶化合物(其中R代表与上述相同的含义)与
硫酰氯和至少一种从
氯化氢、亚
硫酰氯、
光气、氧
氯化
磷、
五氯化磷和
三氯化磷组成的组中选出的
氯化剂反应。