Implementing homo- and heterodecoupling in region-selective HSQMBC experiments

Laura Castañar, Josep Saurí, Pau Nolis, Albert Virgili, Teodor Parella

Research output: Contribution to journalArticleResearchpeer-review

38 Citations (Scopus)


An NMR method to enhance the sensitivity and resolution in band-selective long-range heteronuclear correlation spectra is proposed. The excellent in-phase nature of the selHSQMBC experiment allows that homonuclear and/or heteronuclear decoupling can be achieved in the detected dimension of a 2D multiple-bond correlation map, obtaining simplified cross-peaks without their characteristic fine J multiplet structure. The experimental result is a resolution improvement while the highest sensitivity is also achieved. Specifically, it is shown that the 1H-homodecoupled band-selective (HOBS) HSQMBC experiment represents a new way to measure heteronuclear coupling constants from the simplified in-phase doublets generated along the detected dimension. © 2013 Elsevier Inc. All rights reserv.
Original languageEnglish
Pages (from-to)63-69
JournalJournal of Magnetic Resonance
Publication statusPublished - 1 Jan 2014


  • Band-selective HSQMBC
  • Homonuclear decoupling
  • Proton-carbon coupling constants
  • Pure-shift
  • Resolution enhancement
  • Sensitivity improvement


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