Novel compounds of the formula
1
wherein
R is optionally substituted heteroaryl or
2
R
1
is H or C
1
—C
6
alkyl; and
R
2
and R
3
are —CH
3
, —OCH
3
or halo;
or a pharmaceutically acceptable salt or solvate thereof, pharmaceutical compositions therefore, and the use of said compounds in the treatment of pain, anxiety, cough, asthma, depression and alcohol abuse are disclosed.
本发明涉及化合物1的新型化合物,其中R是可选择取代的杂环芳基或2R1是H或C1-C6烷基;而R2和R3分别为—
CH3,—O 或卤素;以及其药学上可接受的盐或溶剂,药物组成物和该化合物在治疗疼痛、焦虑、咳嗽、哮喘、抑郁和酗酒方面的使用。