Chun-Ho Lee,Ja-Heouk Khoo,Kyoung-Chan Kwon,Hyun Ju
申请号：
US12865234
公开号：
US08367704B2
申请日:
2009.02.12
申请国别(地区):
US
年份:
2013
代理人:
摘要：
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.
