The application Note presents a comprehensive overview of two-dimensional Heteronuclear Single Quantum Coherence (2D HSQC) NMR spectroscopy, focusing on the use of Bruker parameter sets to optimize structural elucidation of unknown compounds. It details the evolution of the HSQC pulse sequence, highlighting improvements in sensitivity, resolution, efficiency, and robustness. The guide is designed to assist both routine and advanced users in selecting and applying the most suitable HSQC methodologies for their analytical needs, supporting reliable structure verification, accelerated data acquisition, and quantitative analysis in chemistry and life sciences.
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