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15N?1H and 15N?13C Couplings in 15N-Enriched Dihydroxamic Acids

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388963%3A_____%2F08%3A00309025" target="_blank" >RIV/61388963:_____/08:00309025 - isvavai.cz</a>

  • Alternative codes found

    RIV/67985858:_____/08:00309025

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    15N?1H and 15N?13C Couplings in 15N-Enriched Dihydroxamic Acids

  • Original language description

    15N-enriched dihydroxamic acids (HONHCO(CH2)nCONHOH, n = 0, 1, and 2) were prepared and their spectra NMR (1H, 13C, 15N) recorded in dimethyl sulfoxide (DMSO) solutions with the aim of determining 15N coupling constants (15N?1H and 15N?13C). The resultssupplement chemical shifts published earlier and yield additional support to the structural conclusions derived from other NMR parameters. Notably, no trace of hydroximic structures could be found in the 15N NMR spectra of these acids. The values of 15N?13C coupling constants backed by theoretical calculations support the assignments made earlier for all of the major conformers and for the minor conformer of succinohydroxamic acid. The enrichment revealed that the minor component ofmalonodihydroxamic acid solution previously considered to be the ZE conformer is in fact the monohydroxamic acid (HOOC?CH2?CO?NH?OH).

  • Czech name

    15N?1H a 15N?13C spin-spinové interakce v15N-obohacených dihydroxamových kyselinách

  • Czech description

    Byly připraveny 1N-obohacené dihydroxamové kyseliny (HONHCO(CH2)nCONHOH, n = 0, 1, a 2) a změřena jejich NMR (1H, 13C, 15N) spektra v dimethylsulfoxidu. Naměřené interakční konstanty (15N?1H and 15N?13C) souhlasí s teoretickými výpočty a doplňuj9 dosavadní údaje o těchto kyselinách.

Classification

  • Type

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

  • CEP classification

    CF - Physical chemistry and theoretical 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)

Others

  • Publication year

    2008

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Magnetic Resonance in Chemistry

  • ISSN

    0749-1581

  • e-ISSN

  • Volume of the periodical

    46

  • Issue of the periodical within the volume

    8

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    8

  • Pages from-to

  • UT code for WoS article

    000257727200009

  • EID of the result in the Scopus database