4-Hydroxyquinol-2-ones. 86. Synthesis of Methyl (Ethyl) Esters of 1-Substituted 4-Amino-2-oxoquinoline-3-carboxylic Acids

IV Ukrainets, LV Sidorenko, OV Gorokhova

Index: Ukrainets; Sidorenko; Gorokhova Chemistry of Heterocyclic Compounds, 2005 , vol. 41, # 9 p. 1151 - 1157

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Abstract

Esters of 1-substituted 4-amino-2-oxoquinoline-3-carboxylic acids 1 are of interest as potentially biologically active substances and also as a basis for further chemical conversions with an adequately broad synthetic potential. The usual method of obtaining compounds of this family comprises