Illustrated Glossary of Organic Chemistry

Bridged: A bicyclic molecule in which a one or more atoms spans (bridges) another ring of atoms.

Bicyclo[2.2.1]heptane (also called norbornane) is a bridged bicyclic cycloalkane. In this case a methylene group bridges a cyclohexane ring.


Epibatidine is an analgesic drug in which an amine nitrogen bridges a cyclohexane ring.