Long-range proton-carbon coupling constants: NMR methods and applications

Teodor Parella, Juan Félix Espinosa

    Research output: Contribution to journalReview articleResearchpeer-review

    51 Citations (Scopus)

    Abstract

    A general review of novel NMR methods to measure heteronuclear long-range proton-carbon coupling constants (nJCH; n > 1) in small molecules is made. NMR experiments are classified in terms of NMR pulse scheme and cross-peak nature. A discussion about simplicity, general applicability and accuracy for each particular NMR experiment is presented and exemplified. Important aspects such as the sign determination and measurement of very small coupling values involving protonated and non-protonated carbons as well as the complementarity between different experiments are also discussed. Finally, a compilation of applications in structural and conformational analysis of different types of molecules since 2000 is surveyed. © 2013 Elsevier B.V. All rights reserved.
    Original languageEnglish
    Pages (from-to)17-55
    JournalProgress in Nuclear Magnetic Resonance Spectroscopy
    Volume73
    DOIs
    Publication statusPublished - 1 Jan 2013

    Keywords

    • E.COSY
    • HMBC
    • HSQC-TOCSY
    • HSQMBC
    • IPAP
    • J-resolved
    • Long-range proton-carbon coupling constants

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