Two new schemes for heteronuclear broadband NMR long-range correlation are presented. One scheme employs the conventional low-pass J filter HMBC pulse sequence and combines spectra recorded with different excitation delays in order to achieve broadband excitation over a range of long-range coupling constants. The other scheme is an extension that includes a 'non-destructive' low-pass J filter allowing a one-bond correlation spectrum to be extracted from the same data set optimized for HMBC. Hence the time to record a separate HSQC spectrum is saved. Copyright © 2000 John Wiley & Sons, Ltd.
CITATION STYLE
Meissner, A., & Sørensen, O. W. (2000). Economizing spectrometer time and broadband excitation in small-molecule heteronuclear NMR correlation spectroscopy. Broadband HMBC. Magnetic Resonance in Chemistry, 38(11), 981–984. https://doi.org/10.1002/1097-458X(200011)38:11<981::AID-MRC778>3.0.CO;2-L
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