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Heteroaryl tri ones are potential building blocks for the synthesis of novel biologically active compounds as well as functional materials. However, their synthesis has received relatively little attention. In this account, we describe our recent development of three novel synthetic strategies for the regioselective synthesis of heteroaryl tri ones: direct tri uoromethanesulfonylation of heteroaromatic compounds, anionic Fries rearrangement of heteroaryl tri ates, and transformation from tri yldoi:10.5059/yukigoseikyokaishi.71.1195 fatcat:kr53tmljjnaj5gfanbiicilxpi