申请人:KUMIAI CHEMICAL INDUSTRY CO., LTD.
公开号:US10844024B1
公开(公告)日:2020-11-24
The present disclosure provides an industrially preferable, economical, and environmentally friendly method for producing a compound [C1] of formula (5), namely, a (4,5-dihydroisoxazol-3-yl)thiocarboxamidine salt compound. The present disclosure relates to a method wherein: a reaction expressed by reaction formula [C2] is caused so as to produce a compound of formula (4) by reacting a compound of formula (3) with a halogenation agent in the presence of a nitrile solvent, and the compound of formula (4) is subsequently reacted with an isothiouronium-forming agent, thereby producing a compound of formula (5).
本公开提供了一种在工业上更为优选、经济、环保的制备化合物[C1]的方法,即(4,5-二氢异噁唑-3-基)硫代氨基甲酸盐化合物的方法。本公开涉及一种方法,其中:在腈溶剂存在下,通过反应式[C2]所表达的反应,将式(3)的化合物与卤化试剂反应,制备出式(4)的化合物,随后将式(4)的化合物与异硫脲形成试剂反应,从而制备出式(5)的化合物。