An improved method for γ -carboxylation of β -diketones. synthesis of 4-alkyl-3, 5-dioxohexanoic acids and 5-alkyl derivatives of triacetic acid lactone

Jordi Cervelló, Jorge Marquet, Marcial Moreno-Maftas

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Resum

Carboxylation of β-diketones, 1, can be improved using samples containing 100% of ketoenol tautomers, 3, prepared by mild hydrolysis of the corresponding copper(II) complexes 2. Cyclization of the so formed 4-alkyl-3,5-dioxohexanoic acids, 4, affords 5-alkyl-4-hydroxy-6-methyl-2-pyrones, 5. © 1990, Taylor & Francis Group, LLC. All rights reserved.
Idioma originalEnglish
Pàgines (de-a)1931-1941
RevistaSynthetic Communications
Volum20
Número13
DOIs
Estat de la publicacióPublicada - 1 de jul. 1990

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