Abstract
A convenient large-scale preparation of 5-methoxyflavone has been developed using a KOtBu-mediated diketone synthesis as the key step. This method has been successfully applied to the convenient synthesis of a number of flavone analogs. It has also been combined with a phenolic alkylation step, thereby providing a short and efficient means of transforming dihydroxyacetophenones into A-ring alkoxyflavones
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