β-elimination 

Synonym: 1,2-elimination
https://doi.org/10.1351/goldbook.08150
Transformation of the general type XABY⟶A=B+XY (or X+Y,or XA++YA−) where the central atoms A and B are commonly, but not necessarily, carbon.
Source:
PAC, 2022, 94, 353. (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 2021)) on page 376 [Terms] [Paper]
Citation: 'β-elimination' 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.08150 RIS BibTex EndNote
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