Pain relief compounds
The present invention relates to the use of compounds for the treatment or prevention of pain in mammals, in particularly in human beings, and also to a process for preparing these compounds.
1. A compound of formula (A1):
wherein:
R represents:
Q represents —CN;
X represents O, or —NH;
T represents:
a hydrogen atom;
a phenyl group;
a group
a cyclohexyl group;
Q 2 represents O, or NH;
or a pharmaceutically acceptable salt of said compound.
2. The compound according to claim 1 , wherein:
Q represents —CN;
Q 2 represents O, or NH
X represents O or NH
T represents:
a hydrogen atom;
a phenyl group;
a group
3. The compound according to claim 1 , wherein:
Q 2 represents O;
X represents O;
T represents H.
4. The compound according to claim 1 of formula (1b):
wherein Q 2 , Q, X and T are as defined in claim 1 .
5. A method for treatment of pain comprising administering to a patient, a composition comprising a compound according to claim 1 .
6. A method for treatment of pain comprising administering to a patient, a composition comprising a compound according to claim 2 .
7. A method for treatment of pain comprising administering to a patient, a composition comprising a compound according to claim 1 .
8. A method for treatment of pain comprising administering to a patient, a composition comprising a compound according to claim 3 .