How is Britannin (CAS: 33627-28-0) typically synthesized?

Britannin is commonly synthesized through organic synthesis methods, starting from flavone derivatives. The synthesis involves a series of reactions including condensation, reduction, and ring closure. The use of catalysts such as palladium and transition metal complexes can enhance the selectivity and yield of the product. Common solvents like ethanol and methanol are utilized in these reactions.