申请人:SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES
公开号:US20160102047A1
公开(公告)日:2016-04-14
The present invention relates to a (2R,3R)-3-(3-substituted phenyl)-2-methyl n-pentanamide compounds as shown in the formula I and the preparation method thereof, wherein, the substituents are as defined in the specification, the present invention further relates to a use of the above compounds for the preparation of tapentadol II or its pharmaceutically acceptable salt, and the intermediates involved in the preparation process
本发明涉及一种(2R,3R)-3-(3-取代苯基)-2-甲基n-戊酰胺化合物,如公式I所示,以及其制备方法,其中,取代基如规范中所定义,本发明还涉及上述化合物用于制备tapentadol II或其药学上可接受的盐,以及制备过程中涉及的中间体。