Process for the preparation of quinoline carboxylic acid derivat

Details Process for the preparation of quinoline carboxylic acid derivat Process for the preparation of quinoline carboxylic acid derivat

1981-08-31

1984-09-18

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544404, 546156, C07D40104

Patent

active

044725795

ABSTRACT:
Process for the preparation of useful antimicorbial agents, 1-substituted-6-fluoro-7-(1-piperazinyl or 4-substituted-1-piperazinyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acids having the chemical structure [IV], ##STR1## wherein R.sub.1 is ethyl or vinyl group, and

REFERENCES:
patent: 2504875 (1950-04-01), Price et al.
patent: 4017622 (1977-04-01), Minami et al.
patent: 4146719 (1979-03-01), Irikura
patent: 4292317 (1981-09-01), Pesson

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