Bridges
A bridge is an unbranched chain of atoms or an atom or a covalent bond connecting two bridgeheads in a polycyclic compound.
The main bridge is a bridge that connects the two main bridgeheads.
A secondary bridge is any bridge not included in the main ring or the main bridge.
An independent secondary bridge links bridgeheads that are part of the main ring or main bridge.
A dependent secondary bridge links at least one bridgehead that is part of a secondary bridge.
Read more about this topic: Bicyclic Molecule
Famous quotes containing the word bridges:
“... this single span,
Reaching for the world, as our lives do,
As all lives do, reaching that we may give
The best of what we are and hold as true:
Always it is by bridges that we live.”
—Philip Larkin (19221986)
“Have faith, and a score of hearts will show
Their faith in your word and deed.”
—Madeline Bridges (fl. C. 1840)
“Awake! the land is scattered with light, and see,
Uncanopied sleep is flying from field and tree:”
—Robert Bridges (18441930)