Reactions of carbanions with 1,3-benzodioxin-4-ones. Facile routes to flavones, aurones, and acyl phloroglucinols.

[摘要]：Two 1,3-benzodioxin-4-ones react with enolates, acetylides and aryllithium reagents to afford adducts that were converted into flavones, aurones, and an acyl phloroglucinol.

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