Process for the preparation of quinolonecarboxylic acid esters

Details Process for the preparation of quinolonecarboxylic acid esters Process for the preparation of quinolonecarboxylic acid esters

1987-11-17

1992-03-10

Shah, Mukund J.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544344, 544362, 544363, 546 94, 546123, 546156, C07D49806, C07D47104, C07D40110, C07D215233

Patent

active

050951122

ABSTRACT:
A process for the preparation of quinolone-carboxylic acid esters of the formulae I and II ##STR1## in which A represents nitrogen or .dbd.C--R.sup.4,

REFERENCES:
Katritzky et al., "Advances in Heterocyclic Chemistry", vol. 17, p. 313 (1974).
Domagala, Tetrahedron Letters, 21, pp. 4997-5000 (1980).
Kim et al., J. Org. Chem. 50, p. 560 (1985).
Yim et al., Chemical Abstracts, vol. 109, No. 545279 (1988).

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