Derivatives of 1,4-diazabicyclo[3.2.1]octanecarboxamide, preparation method thereof and use of same in therapeutics

1. A compound of the formula (I)

wherein

X is nitrogen;

P, Q, R and W, each independently of one another, are nitrogen or C—R 3 ;

R 1 is hydrogen or (C 1 - C 6 )alkyl; and

R 3 is hydrogen, halogen, (C 1 - C 6 )alkoxy, (C 1 - C 6 )alkoxy, nitro, amino, trifluoromethyl, cyano,

or a racemate or an enantiomer thereof, or a salt thereof.

2. The compound according to claim 1 , which is selected from:

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-6-methyl-1H-pyrazolo[3,4-b]pyridine;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-1H-indazole;

6-chloro-3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-1H-indazole;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-5-fluoro-1H-indazole;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-6-methyl-1H-indazole;

5-chloro-3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-1H-indazole;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-5-methoxy-1H-indazole;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-1H-pyrazolo[3,4-b]pyridine;

(+)3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-6-methyl-1H-pyrazolo[3,4-b]pyridine; and

(−)3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-6-methyl-1H-pyrazolo[3,4-b]pyridine; or

a racemate or an enantiomer thereof, or a salt thereof.

3. The compound according to claim 1 , which is selected from:

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-6-methyl-1H-pyrazolo[3,4-b]pyridine hydrobromide;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-1H-indazole hydrochloride;

6-chloro-3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-1H-indazole hydrobromide;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-5-fluoro-1H-indazole hydrobromide;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-6-methyl-1H-indazole hydrobromide;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-1H-pyrazolo[3,4-b]pyridine oxalate;

(+)3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-6-methyl-1H-pyrazolo[3,4-b]pyridine hydrochloride; and

(−)3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-6-methyl-1H-pyrazolo[3,4-b]pyridine hydrochloride; or

a racemate or an enantiomer thereof.

4. The compound according to claim 1 , which is selected from:

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-6-methyl-1H-pyrazolo[3,4-b]pyridine;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-5-fluoro-1H-indazole; and

5-chloro-3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-1H-indazole; or

a racemate or an enantiomer thereof, or a salt thereof.

5. The compound according to claim 1 , which is selected from:

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-6-methyl-1H-pyrazolo[3,4-b]pyridine hydrobromide; and

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-5-fluoro-1H-indazole hydrobromide; or

a racemate or an enantiomer thereof.

6. A pharmaceutical composition comprising a compound according to claim 1 in combination with an excipient.

7. A pharmaceutical composition comprising a compound according to claim 2 in combination with an excipient.

8. A pharmaceutical composition comprising a compound according to claim 3 in combination with an excipient.

9. A pharmaceutical composition comprising a compound according to claim 4 in combination with an excipient.

10. A pharmaceutical composition comprising a compound according to claim 5 in combination with an excipient.

11. A method of treatment of a disorder in a patient comprising administering to said patient a therapeutically effective amount of a compound according to claim 1 or a racemate or an enantiomer thereof or a pharmaceutically acceptable salt thereof, wherein said disorder is selected from the group consisting of cognitive or attention impairment, motor disorder, anxiety, depression and symptoms caused by withdrawal from tobacco, alcohol, cocaine, LSD, cannabis and benzodiazepines.

12. The method according to claim 11 , wherein said compound is selected from:

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-6-methyl-1H-pyrazolo[3,4-b]pyridine;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-1H-indazole;

6-chloro-3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-1H-indazole;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-5-fluoro-1H-indazole;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-6-methyl-1H-indazole;

5-chloro-3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-1H-indazole;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-5-methoxy-1H-indazole;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-1H-pyrazolo[3,4-b]pyridine;

(+)3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-6-methyl-1H-pyrazolo[3,4-b]pyridine; and

(−)3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-6-methyl-1H-pyrazolo[3,4-b]pyridine; or

a racemate or an enantiomer thereof, or a salt thereof.

13. The method according to claim 11 , wherein said compound is selected from:

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-6-methyl-1H-pyrazolo[3,4-b]pyridine;

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-5-fluoro-1H-indazole; and

5-chloro-3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-1H-indazole; or

a racemate or an enantiomer thereof, or a salt thereof.

14. The method according to claim 11 , wherein said disorder is cognitive or attention impairment.

15. The method according to claim 14 , wherein said cognitive or attention impairment is selected from Alzheimer's disease, pathological aging (Age Associated Memory Impairment, AAMI), Parkinson's disease, trisomy 21 (Down's syndrome), Korsakoff's alcoholic syndrome, and vascular dementia (multi-infarct dementia, MDI).

16. The method according to claim 11 , wherein said disorder is motor disorder.

17. The method according to claim 16 , wherein said motor disorder is selected from Parkinson's disease, Huntington's chorea, Tourette's syndrome, tardive dyskinesia and hyperkinesias.

18. The method according to claim 11 , wherein said disorder is anxiety.

19. The method according to claim 11 , wherein said disorder is depression.

20. The method according to claim 11 , wherein said disorder is symptoms caused by withdrawal from tobacco or alcohol.

21. A compound selected from the group consisting of:

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-1H-indazole-5-mesylate; and

3-(1,4-diazabicyclo[3.2.1]oct-4-ylcarbonyl)-1H-indazole-5-mesylate oxalate.