Abstract

In this work, we present a synthetic protocol for the synthesis of non-symmetrical fluoroalkylated triketones. The synthesis is based on the reaction of benzoyl acetones with esters in the presence of excess lithium hydride. The tautomeric equilibrium of triketones in CDCl3 and DMSO‑d6 solutions was studied. The synthetic application of 1,3,5-triketones has been demonstrated. A method has been developed for the efficient synthesis of 2-aryl-6-(polyfluoroalkyl)-4H-pyran-4-ones by dehydrative cyclization.

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