Nucleophile Substitution im Verlauf der Baker-Venkataraman-Umlagerung, 4. Mitt.: Reaktivität von methoxylierten 1-(2-Hydroxyaryl)-3-(2-nitrophenyl)-propan-1,3-dionen

Nucleophilic Substitution in Course of the Baker-Venkataraman Rearrangement, IV: Reactivity of Methoxylated 1-(2-Hydroxyaryl)-3-(2-nitrophenyl)-propane-1,3-diones The reactivity of the 1,3-diketones 1 and 2 on heating with K₂CO₃ in boiling DMF is investigated and the formation of the 2′-hydroxyflavones 5a and 6a is demonstrated.