Intermediates for preparing 4-oxyquinoline-3-carboxylic acid...

Details Intermediates for preparing 4-oxyquinoline-3-carboxylic acid... Intermediates for preparing 4-oxyquinoline-3-carboxylic acid...

C - Chemistry, Metallurgy

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D

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C07D 215/56 (2006.01) C07C 65/21 (2006.01) C07C 205/60 (2006.01) C07C 229/64 (2006.01)

Patent

CA 1341294

Compounds of the formulae (see formula I, II, III) wherein R1 is a fluorinated methoxy group, R3a is a hydrogen atom, a nitro group or an amino group, R10a is a lower alkyl group, and X is a halogen atom are intermediates for preparing compounds of the formula (I) (see formula IV) (in which: R1 represents fluorinated methoxy; R2 represents a nitrogen-containing heterocyclic group and R3 represents hydrogen or amino) and pharmaceutically- acceptable salts, esters and amides thereof, which are valuable antibacterial agents.

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