Pyridazine derivatives active on the central nervous system,...

Details Pyridazine derivatives active on the central nervous system,... Pyridazine derivatives active on the central nervous system,...

C - Chemistry, Metallurgy

07

D

167/224, 260/264

C07D 237/10 (2006.01) C07D 237/20 (2006.01) C07D 237/24 (2006.01) C07D 403/04 (2006.01) C07D 409/04 (2006.01)

Patent

CA 1238637

ABSTRACT OF THE DISCLOSURE The invention relates to the pyridazine derivatives of the formula: Image (IA) (IB) in which R1 is H, a substituted or unsubstituted phenyl group, a naphthyl group, a cyclohexyl group, a thien-2-yl group, a thien-3-yl group or an indol-3-yl group, R2 is H or an alkyl or phenyl group, R3 is H or an alkyl, phenyl group and Alk is (CH2)n or -CH2-C?C-, a process for the preparation of the said products and their application as medicaments.

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