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Current developments in homonuclear and heteronuclear <italic>J</italic>‐resolved NMR experiments.

Current developments in homonuclear and heteronuclear <italic>J</italic>‐resolved NMR experiments.

Authors :
Parella, Teodor
Source :
Magnetic Resonance in Chemistry; Apr2018, Vol. 56 Issue 4, p230-250, 21p
Publication Year :
2018

Abstract

Two‐dimensional J‐resolved (Jres) NMR experiments offer a simple, user‐friendly spectral representation where the information of coupling constants and chemical shifts are separated into two orthogonal frequency axis. Since its initial proposal 40&#160;years ago, Jres has been the focus of considerable interest both in improving the basic pulse sequence and in its successful application to a wide range of studies. Here, the latest developments in the design of novel Jres pulse schemes are reviewed, mainly focusing on obtaining pure absorption lineshapes, minimizing strong coupling artifacts, and also optimizing sensitivity and experimental measurements. A discussion of several Jres versions for the accurate measurement of a different number of homonuclear (J&lt;subscript&gt;HH&lt;/subscript&gt;) and heteronuclear (J&lt;subscript&gt;CH&lt;/subscript&gt;) coupling constants is presented, accompanied by some illustrative examples. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
07491581
Volume :
56
Issue :
4
Database :
Complementary Index
Journal :
Magnetic Resonance in Chemistry
Publication Type :
Academic Journal
Accession number :
128421804
Full Text :
https://doi.org/10.1002/mrc.4706