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Potassium peroxymonosulfate (oxone)--an efficient oxidizing agent for phosphothio compounds.

L A Woźniak·M Koziołkiewicz·A Kobylańska·W J Stec
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Abstract

Potassium peroxymonosulfate (oxone) is demonstrated as a versatile chemoselective and stereospecific oxidizing agent for phosphothio compounds. Its application in nucleotide chemistry is presented.

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OrganophosphatesOxidantsOxidation-ReductionStereoisomerismSulfur CompoundsSulfuric AcidsJournal ArticleResearch Support, Non-U.S. Gov't

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L A Woźniak, M Koziołkiewicz, A Kobylańska, W J Stec. 1998-10-06. Potassium peroxymonosulfate (oxone)--an efficient oxidizing agent for phosphothio compounds.. https://doi.org/10.1016/s0960-894x(98)00492-2

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Laser desorption/in situ chemical ionization aerosol mass spectrometry for monitoring tributyl phosphate on the surface of environmental particles.

The possibility of using real-time aerosol mass spectrometry (RTAMS) for the detection of surface-adsorbed tributyl phosphate (TBP) as an alkali metal adduct has been investigated. Environmental particles contain variable amounts of easily ionizable alkali metals. During laser desorption of surface-adsorbed TBP molecules, Na+ and K+ ions are generated by the interaction of the laser radiation with the particle's material. The alkali metal ions serve as in situ chemical ionization reagents of the neutral analyte molecules. The effect of laser fluence on the signal intensities of the potassium ion and cationized TBP was also studied. The best performance of the instrument was observed with laser fluences that produce high abundances of K+ but low abundances of ions from the particle's bulk material. The relatively low laser fluence, necessary to produce potassium ions, prevents the excessive fragmentation of the analyte. The instrument is capable of real-time monitoring of submonolayer coverage of TBP on the surface of micron-sized particles.

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