N-SUBSTITUTED PHENYL GLYCINE PREPARATION METHOD
    42.
    发明公开
    N-SUBSTITUTED PHENYL GLYCINE PREPARATION METHOD 审中-公开
    VERFAHREN ZUR HERSTELLUNG VON N-SUBSTITUIERTEM PHENYLGLYCIN

    公开(公告)号:EP3153498A1

    公开(公告)日:2017-04-12

    申请号:EP15803170.8

    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.

    摘要翻译: 公开了任何文献中没有报道的N-取代苯基甘氨酸(达比加群酯中间体)的制备方法,该方法包括:使用便宜且容易获得的取代苯胺(1)作为原料与乙醛酸缩合形成亚胺,同时进行氢化 还原得到N-(取代苯基)甘氨酸。 合成路线不在任何文件中报道,原材料便宜且易于获得; 另外本发明的单元操作简单,装置要求低,适用于大规模的工业化生产。