Clean HMBC

HMBC with inital 1st order and terminal 2nd order low-pass J filter (LPJF). This experiment largely removes strong-coupling induced artifacts in HMBC spectra due to a terminal LPJF that is non-destructive to antiphase magnetization. Resultant spectra are cleaned from artifacts and thus improve signal dispersion and facilitate unambiguous peak assignments.

References

• Würtz P, Permi P, Nielsen NC, Sørensen OW. Clean HMBC: suppression of strong-coupling induced artifacts in HMBC spectra. J Magn Reson. 194(1) 89-98 Sep 2008


• Meier S, Benie AJ, Duus JØ, Sørensen OW. Adiabatic low-pass J filters for artifact suppression in heteronuclear NMR. Chemphyschem. 10(6) 893-5 2009 Apr 14

Code

For Bruker.