cyclophane

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun organic chemistry A hydrocarbon consisting an aromatic unit (typically a benzene ring) and an aliphatic chain that forms a bridge between two positions of the aromatic ring; more complex derivatives (the superphanes) with multiple aromatic units and bridges forming cagelike structures are known.
• noun organic chemistry Any cyclic structure used as a base phane in the nomenclature of complex organic compounds