In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Electrochemical oxidation of 4-(piperazin-1-yl)phenols in the presence of indole derivatives: The unique regioselectivity in the synthesis of highly conjugated bisindolyl-p-quinone derivatives, published in 2012, which mentions a compound: 56621-48-8, Name is 4-(Piperazin-1-yl)phenol, Molecular C10H14N2O, Application of 56621-48-8.
The electrochem. oxidation of 4-(piperazin-1-yl)phenols were studied in the presence of indole derivatives as nucleophiles in H2O/MeCN mixture by cyclic voltammetry and controlled-potential coulometry. The reaction mechanism is believed to be oxidation of 4-(piperazin-1-yl)phenols, Michael addition reaction, oxidation of the formed adduct, another Michael addition reaction, oxidation of new adduct and hydrolysis (ECECEC). Bisindolyl-p-quinones were synthesized through the regioselective addition of indoles to electrochem. generated quinone imines in good yields at C electrode in a divided cell.
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Reference:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem