N-SUBSTITUTED PHENYL GLYCINE PREPARATION METHOD

    公开(公告)号:EP3153498A4

    公开(公告)日:2018-02-28

    申请号:EP15803170

    申请日:2015-01-06

    摘要: Disclosed is an N-substituted phenyl glycine (dabigatran etexilate intermediate) preparation method unreported in any document, the method comprising: utilizing cheap and easily available substituted aniline (1) as raw material to condense with glyoxylic acid to form an imine, while conducting hydrogenation reduction to obtain N-(substituted phenyl) glycine. The synthetic route is not reported in any document, and the raw material is cheap and easily available; in addition, the present invention has simple unit operation and low device requirement, and is suitable for large-scale industrial production.