申请人:The Trustees of Columbia University In the City of New York
公开号:US10570148B2
公开(公告)日:2020-02-25
The present invention provides a compound having the structure: (structurally represented) wherein R1, R2, R3, R4, and R5 are each independently H, halogen, CF3 or C1-C4 alkyl; R6 is alkyl; A is absent or present, and when present is —C(O)— or —C(O)NH—; B is substituted or unsubstituted monocycle, bicycle, heteromonocycle, heterobicycle, benzyl, CO2H or (C1-C4 alkyl)-CO2H, wherein when B is CO2H, then A is present and is —C(O)—, or a pharmaceutically acceptable salt thereof.
本发明提供了一种具有以下结构的化合物:(结构表示),其中 R1、R2、R3、R4 和 R5 各自独立地为 H、卤素、CF3 或 C1-C4 烷基;R6 为烷基;A 不存在或存在,存在时为 -C(O)- 或 -C(O)NH- ;B 为取代或未取代的单环、单车、杂单环、杂单车、苄基、CO2H 或 (C1-C4 烷基)-CO2H,其中当 B 为 CO2H 时,则 A 存在且为 -C(O)-,或其药学上可接受的盐。