PROCESS FOR THE PREPARATION OF 2-METHYL-2'-PHENYLPROPIONIC ACID DERIVATIVES AND NOVEL INTERMEDIATE COMPOUNDS
申请人:Lee Chun-Ho
公开号:US20110009636A1
公开(公告)日:2011-01-13
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.
PROCESS FOR PREPARATION OF 2-METHYL-2'-PHENYLPROPIONIC ACID DERIVATIVES AND NOVEL INTERMEDIATE COMPOUNDS
申请人:YUHAN CORPORATION
公开号:US20130116439A1
公开(公告)日:2013-05-09
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 therefore. According to the present invention, pharmaceutically useful 2-methyl-2′-phenylpropionic acid derivatives can be prepared with high yield and purity on industrial scale.
Process for preparation of 2-methyl-2′ phenylpropionic acid derivatives and novel intermediate compounds
申请人:Lee Chun-Ho
公开号:US08367704B2
公开(公告)日:2013-02-05
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.
Process for preparation of 2-methyl-2′-phenylpropionic acid derivatives and novel intermediate compounds
申请人:Yuhan Corporation
公开号:US08487106B2
公开(公告)日:2013-07-16
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 therefore. According to the present invention, pharmaceutically useful 2-methyl-2′-phenylpropionic acid derivatives can be prepared with high yield and purity on industrial scale.