Process for the preparation of quinoline-carboxylic acid...

Details Process for the preparation of quinoline-carboxylic acid... Process for the preparation of quinoline-carboxylic acid...

C - Chemistry, Metallurgy

07

D

260/266.3

C07D 401/04 (2006.01) C07D 215/56 (2006.01) C07D 401/00 (2006.01) C07D 401/10 (2006.01)

Patent

CA 1312603

ABSTRACT OF THE DISCLOSURE The present invention relates to a new and simple process for the preparation of quinoline-carboxylic acid derivatives of the general formula (I) (I) Image as well as hydrates and therapeutically acceptable salts thereof. In formula (I) the meaning of the substituents is as follows: R1 represents a hydrogen atom, a linear alkyl group having 1 to 4 carbon atoms or a cyclic alkyl group having 3 to 4 carbon atoms, which may be unsubstituted or substituted by a halogen atom, a hydroxyl group or an amino group, or a CH3-NH group and R2 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.

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