Quaterpyridine refers to a family of

pyridine Pyridine is a basic heterocyclic organic compound with the chemical formula . It is structurally related to benzene, with one methine group replaced by a nitrogen atom. It is a highly flammable, weakly alkaline, water-miscible liquid with a ...

derivatives with the formula (NC₅H₄-C₅H₃N)₂. These compounds can also be viewed as

bipyridine Bipyridines also known as bipyridyls, dipyridyls, and dipyridines, are a family of chemical compounds with the formula (C5H4N)2, consisting of two pyridyl (C5H4N) rings. Pyridine is an aromatic nitrogen-containing heterocycle. Bipyridines are of si ...

decorated with two pyridyl substituents. Several isomers are known. All are colorless solids. One particular isomer, 2,2':6',2'':6'',2-quaterpyridine, a derivative of

2,2'-bipyridine The comma is a punctuation mark that appears in several variants in different languages. It has the same shape as an apostrophe or single closing quotation mark () in many typefaces, but it differs from them in being placed on the baseline ...

has attracted interest because it is a potential

tetradentate In chemistry, tetradentate ligands are ligands that bind four donor atoms to a central atom to form a coordination complex. This number of donor atoms that bind is called denticity and is a method of classifying ligands. Tetradentate ligands ar ...

ligand In coordination chemistry, a ligand is an ion or molecule ( functional group) that binds to a central metal atom to form a coordination complex. The bonding with the metal generally involves formal donation of one or more of the ligand's elec ...

in coordination chemistry.{{cite journal , doi=10.1021/acs.chemrev.6b00377, title=Quaterpyridines as Scaffolds for Functional Metallosupramolecular Materials , year=2016 , last1=Gorczyński , first1=Adam , last2=Harrowfield , first2=Jack M. , last3=Patroniak , first3=Violetta , last4=Stefankiewicz , first4=Artur R. , journal=Chemical Reviews , volume=116 , issue=23 , pages=14620–14674 , pmid=27960268

Related compounds

terpyridine Terpyridine (2,2';6',2"-terpyridine, often abbreviated to Terpy or Tpy) is a heterocyclic compound derived from pyridine. It is a white solid that is soluble in most organic solvents. The compound is mainly used as a ligand in coordination chemist ...

References

Chelating agents Pyridines Heterocyclic compounds with 4 rings