A definitive NMR solution for a simple and accurate measurement of the magnitude and the sign of small heteronuclear coupling constants on protonated and non-protonated carbon atoms

Josep Saurí, Juan Félix Espinosa, Teodor Parella

    Research output: Contribution to journalArticleResearchpeer-review

    41 Citations (Scopus)

    Abstract

    Simply successful: A proton-selective HSQMBC-TOCSY experiment can be used to measure small proton-carbon ( nJ CH; n>1) coupling constants on both protonated and non-protonated carbon atoms (see spectrum). The method combines in a single pulse scheme all the benefits of the widely used HSQMBC and HSQC-TOCSY experiments. The magnitude and the sign of nJ CH can be determined simply with excellent accuracy. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
    Original languageEnglish
    Pages (from-to)3919-3922
    JournalAngewandte Chemie - International Edition
    Volume51
    Issue number16
    DOIs
    Publication statusPublished - 16 Apr 2012

    Keywords

    • coupling constants
    • NMR spectroscopy
    • structure elucidation

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