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A process for the production of 1,4-dihydro-4-oxo-quinoline-2-carboxylic acids, or salts, esters or amides thereof and intermediates therefor
A process for the production of 1,4-dihydro-4-oxo-quinoline-2-carboxylic acids, or salts, esters or amides thereof and intermediates therefor
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机译:1,4-二氢-4-氧代喹啉-2-羧酸或其盐,酯或酰胺及其中间体的生产方法
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摘要
There is described a process for the production of a 1,4-dihydro-4-oxo-quinoline-2-carboxylic acid, or a salt, ester or amide thereof, which comprises cyclization of a corresponding 2-aminobenzoyl pyruvic acid or an ester thereof, and if desired or necessary converting the resulting product to an appropriate salt, ester or amide thereof, or vice versa.
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