The invention provides a process for preparing 2-[4-(3-or 5-fluoromethylpyridyl-2-oxy)phenoxy] propionic acids and their derivatives by reducing 2- [4-(3- or 5-fluoromethylpyridyl-2-oxy)phenoxy] acrylic acids and their derivatives. It also provides the acrylic acids and their derivatives themselves.
本发明提供了一种通过还原 2-[4-(3-或 5-
氟甲基吡啶基-2-氧基)苯氧基]
丙烯酸及其衍
生物来制备 2-[4-(3-或 5-
氟甲基吡啶基-2-氧基)苯氧基]
丙酸及其衍
生物的工艺。它还提供
丙烯酸及其衍
生物本身。