heterocyclic

(adjective)

Having one or more atoms other than carbon in at least one of its rings.

Related Terms

Examples of heterocyclic in the following topics:

  • Biosynthesis of Tetrapyrroles

    • Porphyrins are heterocyclic macrocycles composed of four modified pyrrole subunits interconnected at their α carbon atoms via methine bridges (=CH-).
    • Several other heterocycles are related to porphyrins.

  • Purine and Pyrimidine Synthesis

    • A purine is a nucleotide (a nucleoside + phosphate group) that is amine based and planar, aromatic, and heterocyclic.