Thiol-promoted catalytic synthesis of diphenolic acid with sulfonated hyperbranched poly(arylene oxindole)s

Stijn Van de Vyver; Jan Geboers; Sasja Helsen; Feng Yu; Joice Thomas; Mario Smet; Wim Dehaen; Bert F Sels

doi:10.1039/c2cc30239j

Thiol-promoted catalytic synthesis of diphenolic acid with sulfonated hyperbranched poly(arylene oxindole)s

Chem Commun (Camb). 2012 Apr 11;48(29):3497-9. doi: 10.1039/c2cc30239j. Epub 2012 Mar 1.

Authors

Stijn Van de Vyver¹, Jan Geboers, Sasja Helsen, Feng Yu, Joice Thomas, Mario Smet, Wim Dehaen, Bert F Sels

Affiliation

¹ Centre for Surface Chemistry and Catalysis, Katholieke Universiteit Leuven, Kasteelpark Arenberg 23, 3001 Heverlee, Belgium.

PMID: 22377560
DOI: 10.1039/c2cc30239j

Abstract

Acid-catalyzed condensation of levulinic acid and phenol into high yields of diphenolic acid (>50%) is possible with a combination of sulfonated hyperbranched polymers and thiol promotors, either added as a physical mixture or bound to the polymer by ion-pairing.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Catalysis
Hydroxybenzoates / chemical synthesis*
Indoles / chemistry*
Levulinic Acids / chemistry
Phenol / chemistry
Sulfhydryl Compounds / chemistry*

Substances

Hydroxybenzoates
Indoles
Levulinic Acids
Sulfhydryl Compounds
Phenol
levulinic acid