Term: cyclophanes
https://doi.org/10.1351/goldbook.C01504

Definition:
The term originally applied to compounds having two p-phenylene groups held face to face by –[CH2]n– bridges. It now designates compounds having (i) mancude-ring systems, or assemblies of mancude-ring systems, and (ii) atoms and/or saturated or unsaturated chains as alternate components of a large ring. E.g.(1,4)(1,4)cyclophane [or 1(1,4),4(1,4)-dibenzenacyclohexaphane]. C01504.png Many chemists include in this class any bridged aromatic system, irrespective of the attachment positions of the bridge.

Related Terms:
1) mancude-ring systems (http://doi.org/10.1351/goldbook.M03695).
2) attachment (http://doi.org/10.1351/goldbook.A00512).
3) bridge (http://doi.org/10.1351/goldbook.B00736).

Image: Not defined (https://goldbook.iupac.org/img/inline/C01504.png) 

Source: PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1330 (https://doi.org/10.1351/pac199567081307)

Citation: 'cyclophanes' 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.C01504

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