Macrocyclic ligand

In coordination chemistry, a macrocyclic ligand is a macrocyclic ring having at least nine atoms (including all hetero atoms) and three or more donor sites that serve as ligands.[1] Crown ethers and porphyrins are prominent examples. Macrocyclic ligands often exhibit high affinity for metal ions, the macrocyclic effect.

  1. ^ Melson, GA (1979). Coordination Chemistry of Macrocyclic Compounds. New York: Plenum Press. p. 2. ISBN 0-306-40140-1.
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