Imidazo(1,2-b)pyridazines, process for their preparation and...

Details Imidazo(1,2-b)pyridazines, process for their preparation and... Imidazo(1,2-b)pyridazines, process for their preparation and...

C - Chemistry, Metallurgy

07

D

167/211, 260/264

C07D 487/04 (2006.01) A61K 31/50 (2006.01) A61K 31/535 (2006.01)

Patent

CA 1310318

ABSTRACT OF THE DISCLOSURE The present invention relates to imidazo[1,2-b]- pyridazines having the formula: (I) Image in which: R1 represents hydrogen, a halogen atom, a C1-C4 alkoxy group or a C1-C4 alkyl group occupying one of the free positions of the benzene ring; R2 represents hydrogen, a C1-4 alkyl group or a phenyl group; R3 denotes hydrogen, a C1-C4 alkyl group or a phenyl group; and R4 and R5 represent hydrogen or a C1-C4 alkyl group, or R4 and R5 form, together with the nitrogen atom to which they are bonded, a 5-membered or 6-membered heterocycle optionally containing a second heteroatom.

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