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2-甲基-2'-苯基
丙酸衍
生物的方法,该方法以更简化的方式显示抗
组胺活性,以及用于制备中间化合物和它们的制备过程。根据本发明,可以在工业规模上高产高纯地制备有药用价值的2-甲基-2'-苯基
丙酸衍
生物。