The present invention relates to a process for preparing 2-methyl-2′-phenylpropionic acid derivatives showing antihistamine activity in more simplified way, intermediate compounds and their preparation processes used therefor. According to the present invention, pharmaceutically useful 2-methyl-2′-phenylpropionic acid derivatives can be prepared with high yield and purity on industrial scale.
本发明涉及一种制备具有抗
组胺活性的2-甲基-2′-苯基
丙酸衍
生物的工艺,中间体化合物及其用途的制备工艺。根据本发明,在工业规模上可以高产高纯度地制备具有药用价值的2-甲基-2′-苯基
丙酸衍
生物。