Synthesis of 4,12-dihydro-4-oxoquino-[1,8a,8-a,b]quinoxaline-5-carboxylic acid derivatives |
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| Authors: | Daniel T W Chu Robert E Maleczka Carl W Nordeen |
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| Abstract: | The synthesis and antibacterial activity of 1-substituted amino-2-fluoro-4,12-dihydro-4-oxoquino1,8a,8-a,b]quinoxaline-5-carboxylic acid derivatives are described. The synthetic route includes a carbon homologation and two intramolecular nucleophilic displacement cyclization reactions leading to the novel 4,12-dihydro-4-oxoquino1,8a,8-a,b]quinoxaline-5-carboxylic acid heterocycle. |
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