Bal, Mathias

Bomon, Jeroen

Liao, Yuhe

Maes, Bert

Sels, Bert F.

Sergeyev, Sergey

Van Den Broeck, Elias

Van Speybroeck, Veronique

Abstract: An efficient conversion of biorenewable ferulic acid into bio-catechol has been developed. The transformation comprises two consecutive defunctionalizations of the substrate, that is, C-O (demethylation) and C-C (de-2-carboxyvinylation) bond cleavage, occurring in one step. The process only requires heating of ferulic acid with HCl (or H2SO4) as catalyst in pressurized hot water (250 degrees C, 50 bar N-2). The versatility is shown on a variety of other (biorenewable) substrates yielding up to 84% di-(catechol, resorcinol, hydroquinone) and trihydroxybenzenes (pyrogallol, hydroxyquinol), in most cases just requiring simple extraction as work-up

Institutional Repository Universiteit Antwerpen

Bronsted acid catalyzed tandem defunctionalization of biorenewable ferulic acid and derivates into bio-catechol

Bronsted acid catalyzed tandem defunctionalization of biorenewable ferulic acid and derivates into bio-catechol

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Institutional Repository Universiteit Antwerpen