Structural Elucidation and Independent Synthesis of the Radical-Radical Coupling Products of 3-Hydroxyanthranilic acid with Tyrosine and Phenols

Article abstract of DOI:10.1021/jo00302a022

The autoxidation of 3-hydroxyanthranilic acid (3OHA) in the presence of tyrosine, p-cresol, or p-ethylphenol gives dibenzopyran-6-one products that arise from the coupling of the radical of 3OHA with that derived from the substituted phenol.As a proo