The present invention relates to certain spirooxindole derivatives and to pharmaceutically acceptable salts thereof, which exhibit good analgesic properties and are effective in the treatment of chronic pain. The derivatives have the structure of formula I:
wherein:
Ar is benzene or pyridine;
X is NHCO—; —CONH—; or —NH—SO2—;
Y is a single bond; and
Z is —CH═CHCH2.
本发明涉及某些螺环氧
吲哚衍
生物及其药学上可接受的盐,其表现出良好的镇痛性能并且在治疗慢性疼痛方面有效。这些衍
生物具有以下结构式I:
其中:Ar是苯或
吡啶;X是NHCO—;—CONH—;或—NH—SO2—;Y是单键;Z是—CH═CHCH2。