Journal
JOURNAL OF MAGNETIC RESONANCE
Volume 276, Issue -, Pages 37-42Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jmr.2017.01.002
Keywords
BIRD; Perfect-BIRD; J-resolved; J-resolved HSQC; One-bond proton-carbon coupling constants; Residual dipolar coupling constants
Funding
- Spanish MINECO [CTQ2015-64436-P]
- Brazilian agency CAPES [BEX 5382/15-7]
- NSF [CHE-0130903, CHE-1039870, CHE-1111684]
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A versatile (1)J(CH)resolved HSQC pulse scheme for the speedy, accurate and automated determination of one-bond proton-carbon coupling constants is reported. The implementation of a perfectBlRD element allows a straightforward measurement from the clean doublets obtained along the highly resolved Fl dimension, even for each individual (1)J(CHa) and (1)J(CHb) in diastereotopic HaCHb methylene groups. Real-time homodecoupling during acquisition and other alternatives to minimize accidental signal overlapping in overcrowded spectra are also discussed. (C) 2017 Elsevier Inc. All rights reserved.
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