N-¬(2-oxopyrrolidin-1-yl) acetyl)| piperazine derivatives...

Details N-¬(2-oxopyrrolidin-1-yl) acetyl)| piperazine derivatives... N-¬(2-oxopyrrolidin-1-yl) acetyl)| piperazine derivatives...

C - Chemistry, Metallurgy

07

D

167/223, 260/266

C07D 401/14 (2006.01) C07D 207/27 (2006.01) C07D 401/12 (2006.01) C07D 403/06 (2006.01) C07D 409/12 (2006.01) C07D 409/14 (2006.01)

Patent

CA 1322199

ABSTRACT OF THE INVENTION A compound of the formula : Image (I) (wherein R is -SO2Ri or -CONHR2; R' is C1-C6 alkyl, C8-C1 2 phenyl- alkenyl, amino, dimethylamino, optionally substituted C6-C1 2 aryl, or 5- or 6-membered heterocyclic group including at least one hetero atom selected from the group consisting of N, S, and O; R2 is amino, C1-C6 alkylamino, C1-C6 alkyl, or optionally substituted C6-C1 2 aryl)or its pharmaceutically acceptable acid-addition salt, being useful as a drug for senile dementia, psychotropic, or antiamnesia agent is provided through several routes.

571320

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