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- W1995094057 abstract "Abstract During analysis of 7-chloro-6,4′-difluoroquinolone (CDFQ) by high performance liquid chromatography (HPLC), a reaction product was formed during sample preparation. This compound was identified as a vinyl alcohol derivative of CDFQ, formed by loss of carbon monoxide from the carboxylate group of CDFQ during sonication in tetrahydrofuran (THF). The reaction to form the vinyl alcohol was shown to depend upon the presence of trace amounts of potassium acetate in the CDFQ, the peroxide content of the THF, and sonication variables of time and bath temperature. The sample preparation procedure was modified so that this reaction would not occur and meaningful HPLC analyses of CDFQ could be achieved. This study demonstrates that caution is required when quinolone compounds are prepared for HPLC analysis by heating or sonicating in THF solution." @default.
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- W1995094057 date "1997-02-01" @default.
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- W1995094057 title "Formation of a Vinyl Alcohol Derivative During Sample Preparation of 7-Chloro-6,4′-Difluoroquinolone for High Performance Liquid Chromatography" @default.
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- W1995094057 doi "https://doi.org/10.1080/10826079708010942" @default.
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