Tuning the keto equilibrium in 4-substituted dipicolinic acid derivatives.

Tuning the keto equilibrium in 4-substituted dipicolinic acid derivatives.

Organic & biomolecular chemistry (2003-08-22)

Anne-Sophie Chauvin, Sandrine Gras, Jean-Claude G Bünzli

RESUMEN

The synthesis of 4-substituted dipicolinic acid derivatives requiring palladium catalysis is described. A keto-enol equilibrium has been observed, depending on the nature of the 2,6-position substituents.

MATERIALES

Referencia del producto

Marca

Descripción del producto

22490

Sigma-Aldrich

Chelidamic acid hydrate, ≥97.0% (dried material, T), ~1 mol/mol water