Simultaneous acquisition of two 2D HSQC spectra with different 13 C spectral widths

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Resumen

A time-efficient NMR strategy that involves the interleaved acquisition of two 2D HSQC spectra having different spectral widths in the indirect 13 C dimension is presented. We show how the two equivalent coherence transfer pathways involved in sensitivity-enhanced HSQC experiments are managed selectively and detected separately in different FID periods within the same scan. The feasibility of this new SADA-HSQC (Spectral Aliasing in Dually Acquired HSQC) technique is demonstrated by recording simultaneously two complementary datasets, conventional and highly-resolved spectral-aliased 2D HSQC spectra, in a single NMR experiment. Combining the information from both datasets, accurate chemical shift determination and excellent signal dispersion is achieved in a unique measurement using only few t 1 increments.
Idioma originalInglés
Páginas (desde-hasta)1-7
PublicaciónJournal of Magnetic Resonance
Volumen300
DOI
EstadoPublicada - 1 mar 2019

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