Answers are grounded in this paper and cite their sources.
Four 2-hydroxystilbenes (Ia∼Id) were oxidized with lead tetraacetate to give corresponding 3-arylbenzofurans (IIa∼IId) in moderate yields. IId and IIe were also obtained by the reactions of Id and Ie respectively with manganic acetate in poor yields.
No takes yet. Share an insight, caveat, or question.
Nogami et al. (1974) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: