Skip to main content
heterocyclic ring

heterocyclic ring

8.1
A ring of atoms in a molecule with at least one non-carbon atom
  • noun
  • /ˌhɛtərəˈsaɪklɪk rɪŋ/
  • Specialized
translation icon : anillo heterocíclico
  • Many pharmaceutical drugs contain a heterocyclic ring as part of their molecular structure.

Examples

  • A heterocyclic ring can contain nitrogen atoms.

  • Pyridine is a classic example of a heterocyclic ring containing one nitrogen atom.

  • A heterocyclic ring differs from a carbocycle because it includes atoms other than carbon.

  • The structure of a heterocyclic ring is crucial in drug design.

  • The chemical compound contains a heterocyclic ring that includes nitrogen atoms.

  • In organic chemistry, a heterocyclic ring is often essential for drug design and function.

  • Many natural products, like caffeine, have a heterocyclic ring structure in their molecules.

Surface Forms

Morphology

heterocyclic + ring

The adjective 'heterocyclic' (containing at least one heteroatom) combined with 'ring' (a circular structure) yields a directly compositional meaning: a ring that is heterocyclic, i.e. contains non-carbon atoms. Although the term is technical, its meaning is predictable from the constituents and follows transparent nominal modification patterns found across languages.

Etymology

Heterocyclic ring gives a simple picture: imagine a round chain of beads where one bead is a different color. The parts hetero and cyclic mean 'different' and 'circle', so the name says a ring in a molecule has at least one atom 'not carbon'.