A process for the preparing of the crystalline modification II of the anhydrate of boscalid is provided, the process comprising (i) reacting 2-chloro-nicotinoyl chloride with 4'-chloro-biphenyl-2-ylamine in a solvent system while removing from the reaction mixture hydrogen chloride formed during the reaction; and (ii) recovering the crystalline modification II of the anhydrate of boscalid from the reaction mixture produced in step (i).
本发明提供了一种制备博斯卡利无
水晶形II的过程,该过程包括(i)在溶剂体系中反应2-
氯-
烟酰氯和4'-
氯-
联苯-2-胺,同时从反应混合物中除去在反应过程中生成的氢
氯酸;以及(ii)从步骤(i)中产生的反应混合物中回收博斯卡利无
水晶形II。