Title of article :
En route to color-stable pyranoflavylium pigments—a systematic study of the reaction between 5-hydroxy-4-methylflavylium salts and aldehydes
Author/Authors :
Chassaing، نويسنده , , Stefan and Isorez، نويسنده , , Géraldine and Kueny-Stotz، نويسنده , , Marie and Brouillard، نويسنده , , Raymond، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2008
Abstract :
The reaction of 5-hydroxy-4-methylflavylium salts with aldehydes, furnishing color-stable pyranoflavylium pigments, has been investigated in terms of scope and limitations. An unexpected chemical reactivity was observed and the origin of this reactivity is discussed.
Keywords :
heterocyclic chemistry , Flavylium , pyranoanthocyanins , Condensation , Pigments , Charge-transfer complex
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters
