4-Hydroxy-2-quinolones. 154*. Pyrimidin- 2-ylamides of 1-r-4-hydroxy-2-oxo-1,2-dihydro- quinoline-3-carboxylic acids. synthesis,structure, and properties |
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Authors: | I. V. Ukrainets A. A. Tkach L. A. Grinevich A. V. Turov O. V. Bevz |
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Affiliation: | 1.National University of Pharmacy,Kharkiv,Ukraine;2.Taras Shevchenko National University,Kiev,Ukraine |
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Abstract: | The synthesis of a series of 1-R-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylic acids pyrimidin-2-ylamides has been carried out with the aim of subsequent microbiological investigation. In acetic acid it was found that these compounds are brominated by 1 equivalent of bromine at position 5 of the pyrimidine ring. The only exception is the 1-allyl derivative which undergoes heterocyclization under these conditions to give 2-bromomethyl-5-oxo-1,2-dihydro-5H-oxazolo[3,2-a]quinoline-4-carboxylic acid pyrimidin-2-ylamide. The results of a study of the antitubercular activity of the synthesized compounds are presented. |
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