heteronuclear Overhauser effect spectroscopy

acronym: HOESY
https://doi.org/10.1351/goldbook.08356
Heteronuclear variant of nuclear Overhauser effect spectroscopy (NOSEY) showing through space interaction between \(\ce{^{1}H}\) and a heteronucleus, typically \(\ce{^{13}C}\).
Source:
PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 691 (https://doi.org/10.1515/pac-2019-0203)