Disclosed are a method of synthesizing prothioconazole and optically active isomers thereof and intermediates. The method includes reacting hydrazine with glyoxylic acid to produce a hydrazono acetic acid as an intermediate, and then reacting the intermediate with thiocyanate to produce the target product prothioconazole. The present method is very specific in terms of regioselectivity, resulting in minimum byproducts and a high product yield. The present method does not require special equipment, nor anhydrous or oxygen-free manipulations. The process is simple and generates minimum wastes, suitable for industrial production.
本发明公开了一种合成丙
硫菌唑及其光学活性异构体和中间体的方法。该方法包括将
肼与
乙醛酸反应生成作为中间体的
肼基
乙酸,然后将该中间体与
硫氰酸盐反应生成目标产物丙
硫菌唑。本方法在区域选择性方面具有很强的特异性,副产物最少,产品收率高。本方法不需要特殊设备,也不需要无
水或无氧操作。工艺简单,产生的废物最少,适合工业化生产。