[EN] KETAMINE DERIVATIVES<br/>[FR] DÉRIVÉS DE KÉTAMINE
申请人:SMALL PHARMA LTD
公开号:WO2018104729A1
公开(公告)日:2018-06-14
The present invention provides conformationally stabilized analogues of the ketamine metabolites 6-hydroxyketamine and 6-hydroxynorketamine with applications in the treatment of depression disorders and anxiety disorders. In particular the present invention provides a compound of Formula I, or a pharmaceutically acceptable salt thereof; wherein R1 is H or C1-C4 alkyl; R2 is H or C1-C4 alkyl; R3 is H or C1-C4 alkyl; R4 is H or Ci- C4 alkyl; R5 is H or C1-C4 alkyl; R5 is H or C1-C4 alkyl; and R6 represents 0, 1, 2, 3, 4 or 5 haloatoms each independently selected from F, CI, Br, I, wherein when R2 is H, preferably at least one of R3, R4 and R5 is not H.