heteronuclear multiple-bond correlation over two bonds 

Initialism: H2BC
https://doi.org/10.1351/goldbook.08353
Variant of the heteronuclear single quantum correlation (HSQC) and heteronuclear multiple bond correlation (HMBC) experiment in nuclear magnetic resonance spectroscopy that almost exclusively correlates A1A221H nuclei with heteronuclei separated by two covalent bonds.
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 690 [Terms] [Paper]
Citation: 'heteronuclear multiple-bond correlation over two bonds' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.08353 RIS BibTex EndNote
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