2-Aminophenol (also known as 2-Hydroxyaniline) is widely utilized as a useful reagent for the synthesis of dyes and heterocyclic compounds.
One Atom Lynch Pin Transformations of Gold's Reagent. 
Synthesis, spectroscopic characterization, redox, and biological screening studies of some Schiff base transition metal (II) complexes derived from salicylidene-4-aminoantipyrine and 2-aminophenol/2-aminothiophenol. 
 J.T.Gupton, et al, Synth. Commun., 1986, 16, pp 365-375.