Direct and one-pot conversion of polyguluronates and alginates into alkyl-L-guluronamide-based surfactant compositions - Université de Rennes Accéder directement au contenu
Article Dans Une Revue Green Chemistry Année : 2016

Direct and one-pot conversion of polyguluronates and alginates into alkyl-L-guluronamide-based surfactant compositions

Résumé

We describe here an efficient one-pot process for the synthesis of 100% bio-based L-guluronic acid based surfactant compositions as emulsion stabilizers, directly from L-polyguluronate or whole alginate, a renewable polysaccharide extracted from brown seaweeds. The transformation of these polymers into long-chain alkyl-L-guluronamides associated with D-mannuronamides when the alginate was used, has been achieved through the preparation of n-butyl uronate monosaccharide intermediates involving methane sulfonic acid-promoted hydrolysis, Fisher glycosylation and esterification reactions, followed by an in situ solvent-free aminolysis reaction with fatty amines.

Domaines

Chimie organique
Fichier principal
Vignette du fichier
Direct and one-pot conversion of polyguluronates_accepted.pdf (1.72 Mo) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)

Dates et versions

hal-01438116 , version 1 (16-03-2017)

Identifiants

Citer

N. Sari-Chmayssem, F. Pessel, Jean-Paul Guégan, S. Taha, H. Mawlawi, et al.. Direct and one-pot conversion of polyguluronates and alginates into alkyl-L-guluronamide-based surfactant compositions. Green Chemistry, 2016, 18 (24), pp.6573-6585. ⟨10.1039/c6gc01983h⟩. ⟨hal-01438116⟩
96 Consultations
174 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More