Substrate‐Dependent Divergent Oxyamination of beta‐Tetralones Enabling Modular Synthesis of 2‐Amino‐para‐Iminonaphthoquinones and 4‐Amino‐1,2‐Naphthoquinone Derivatives.

A regioselective synthesis of 2‐amino‐para‐iminonaphthoquinones and 4‐amino‐1,2‐naphthoquinones was described via the substrate‐dependent divergent multi‐functionalization of β‐tetralone with primary and secondary amines under metal‐free conditions. This developed strategy features extremely green and mild conditions (O2 as oxidant, ethanol as solvent under ambient temperature), broad substrate scope, and various pharmaceutical derivatizations. [ABSTRACT FROM AUTHOR]