Prototropic tautomerism in imidazole derivatives involves the rapid intramolecular transfer of a proton between the two nitrogen atoms of the imidazole ring, generating the N1-H and N3-H tautomeric ...

Ketones are in equilibrium with a form known as an enol. The name enol derives from the fact that enols are a combination of a carbonyl (C=O) containing group, such as an aldehyde or ketone and an ...