transannular strain 

https://doi.org/10.1351/goldbook.T06434
In medium-sized ring compounds, the strain due to repulsive nonbonded interactions between substituents or hydrogen atoms attached to non-adjacent ring atoms.
Source:
PAC, 1996, 68, 2193. (Basic terminology of stereochemistry (IUPAC Recommendations 1996)) on page 2221 [Terms] [Paper]
Citation: 'transannular strain' 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.T06434 RIS BibTex EndNote
Div. IIIPDFTextXMLJSON
Last revised: February 24, 2014