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Phosphinate Analogues of IDA and NTA with Low Basicity of Nitrogen Atom: Acid-Base and Complexation Properties

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F14%3A10277905" target="_blank" >RIV/00216208:11310/14:10277905 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1080/10426507.2014.904864" target="_blank" >http://dx.doi.org/10.1080/10426507.2014.904864</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1080/10426507.2014.904864" target="_blank" >10.1080/10426507.2014.904864</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Phosphinate Analogues of IDA and NTA with Low Basicity of Nitrogen Atom: Acid-Base and Complexation Properties

  • Original language description

    Analogues of iminodiacetic acid (H2IDA) and nitrilotriacetic acid (H3NTA) bearing two (hydroxomethyl) methylphosphinate or (2-carboxyethyl) methylphosphinate groups were synthesized. Their acid-base and coordination properties with divalent metal ions (Cu2+, Ni2+ and Zn2+) were studied by potentiometry. The compounds exhibit very low basicity of the amino groups (pK(a) = 6.2-7.6) due to presence of two electron-withdrawing methylphosphinate groups and, consequently, a low stability of the complexes. Inthe case of IDA-analogues, the low complex stability results in precipitation of metal hydroxides in neutral region. As expected, NTA-analogues form more stable complexes and, thus, they were also studied in the alkaline region. Presence of additional carboxylate in the 2-carboxyethylphosphinic acid groups results in the formation of dinuclear complexes. Solid-state structures of two compounds were determined by X-ray diffraction analysis. The compounds are protonated on the nitrogen ato

  • Czech name

  • Czech description

Classification

  • Type

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

  • CEP classification

    CA - Inorganic chemistry

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2014

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Phosphorus, Sulfur and Silicon and the Related Elements

  • ISSN

    1042-6507

  • e-ISSN

  • Volume of the periodical

    189

  • Issue of the periodical within the volume

    7-8

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    13

  • Pages from-to

    933-945

  • UT code for WoS article

    000341577500010

  • EID of the result in the Scopus database