The present invention concerns a process for enrighing the optical purity of an optically active 2-(4-aryloxyphenoxy)propionic acid by formation of the hydrate of the enantiomer in excess and its removal from solution.
本发明涉及一种通过形成过量对映体的
水合物并将其从溶液中去除来提高光学活性 2-(4-芳氧基苯氧基)
丙酸光学纯度的工艺。