4-(oxazolopyridin-2-yl)-1,4-diazabicyclo-[3.2.2]nonane derivatives, preparation and therapeutic use thereof

1. A compound corresponding to the general formula (I)

in which R 2 represents a 3-thienyl group, in the form of a base or of an acid-addition salt.

2. 4-(6-Thien-3-yl-oxazolo[4,5-b]pyrid-2-yl)-1,4-diazabicyclo[3.2.2]nonane in the form of a base or an acid-addition salt according to claim 1 .

3. 4-(6-Thien-3-yl-oxazolo[4,5-b]pyrid-2-yl)-1,4-diazabicyclo[3.2.2]nonane hydrobromide 1:2 according to claim 2 .

4. A pharmaceutical composition containing a compound as claimed in claim 1 and an excipient.

5. A pharmaceutical composition containing a compound as claimed in claim 2 and an excipient.

6. A pharmaceutical composition containing a compound as claimed in claim 3 and an excipient.

7. A method for the treatment of a disease selected from the group consisting of schizophrenia, Alzheimer's disease, Parkinson's disease, Down's syndrome, Korsakoff's alcoholic syndrome, vascular dementia, depression, anxiety, panic attack and obsessive-compulsive behavior, which comprises administering to a patient in need of such treatment an effective amount of a compound as claimed in claim 1 .

8. A method for the treatment of a disease selected from the group consisting of schizophrenia, Alzheimer's disease, Parkinson's disease, Down's syndrome, Korsakoff's alcoholic syndrome, vascular dementia, depression, anxiety, panic attack and obsessive-compulsive behavior, which comprises administering to a patient in need of such treatment an effective amount of a compound as claimed in claim 2 .

9. A method for the treatment of a disease selected from the group consisting of schizophrenia, Alzheimer's disease, Parkinson's disease, Down's syndrome, Korsakoff's alcoholic syndrome, vascular dementia, depression, anxiety, panic attack and obsessive-compulsive behavior, which comprises administering to a patient in need of such treatment an effective amount of a compound as claimed in claim 3 .