Abstract

A 1 H-1 H total correlation spectroscopy (TOCSY) experiment incorporating 13 C multiplicity information is proposed. In addition, broadband 1 H homodecoupling in the indirect dimension can be implemented using a perfect BIRD module that affords exclusive 1 H chemical shift evolution with full decoupling of all heteronuclear and homonuclear (including 2 JHH ) coupling constants. As a complement to the normal TOCSY and the recent PSYCHE-TOCSY experiments, this novel multiplicity-edited TOCSY experiment distinguishes between CH/CH3 (phased up) and CH2 (phased down) cross-peaks, which facilitates resonance analysis and assignment.

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