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Deprotonation of p-Hydroxybenzoic Acid: Does Electrospray Ionization Sample Solution or Gas-Phase Structures?

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F12%3A10128792" target="_blank" >RIV/00216208:11310/12:10128792 - isvavai.cz</a>

  • Alternative codes found

    RIV/61388963:_____/12:00384284

  • Result on the web

    <a href="http://dx.doi.org/10.1021/ja3060589" target="_blank" >http://dx.doi.org/10.1021/ja3060589</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1021/ja3060589" target="_blank" >10.1021/ja3060589</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Deprotonation of p-Hydroxybenzoic Acid: Does Electrospray Ionization Sample Solution or Gas-Phase Structures?

  • Original language description

    Despite the simplicity of the molecule, the site of single deprotonation of p-hydroxybenzoic acid upon electrospray ionization (ESI) has recently formed a subject of debate in this journal. By means of NMR experiments in solution and gas-phase studies employing ion-mobility mass spectrometry (IM-MS), the apparent controversy is resolved. It is shown that irrespective of the solvent the carboxylate tautomer is preferred in solution, while the opposite holds true for isolated ions in the gas phase. The tautomer distribution sampled in the gas phase very much depends on the actual solvent used in ESI, the pH value, as well as the total concentration. Moreover, the occurrence of gas-phase reactions in the course of the ESI process influences the tautomer ratio. Implications for correlations between ESI mass spectra and solution-phase chemistry are discussed.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CC - Organic chemistry

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2012

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of the American Chemical Society

  • ISSN

    0002-7863

  • e-ISSN

  • Volume of the periodical

    134

  • Issue of the periodical within the volume

    38

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    9

  • Pages from-to

    15897-15905

  • UT code for WoS article

    000309099700047

  • EID of the result in the Scopus database