A solvent-free process for the preparation of herbicidal 2-(4-(pyridinyl-2-oxy)phenoxy)propionate esters is disclosed. The process involves the coupling of a 2-fluoropyridine and an ester of 2-(4-hydroxyphenoxy)propionic acid in the presence of an anhydrous base and in the absence of an added solvent.
本发明揭示了一种制备
除草剂2-(4-(
吡啶-2-氧基)苯氧基)
丙酸酯的无溶剂工艺。该工艺涉及在无添加溶剂的情况下,在无
水碱的存在下,将2-
氟吡啶和
2-(4-羟基苯氧基)丙酸酯偶联。