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Starbon® acids in alkylation and acetylation reactions: Effect of the Brönsted-Lewis acidity

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JournalCatalysis Communications
DatePublished - 15 Sep 2011
Issue number15
Volume12
Number of pages6
Pages (from-to)1471-1476
Original languageEnglish

Abstract

Various Starbon® supported solid acids were prepared and investigated in two test reactions, namely the acetylation of 5-acetyl-methylsalicylate and the alkylation of phenol with cyclohexene. Starbon®-SO3H materials exhibited in general an optimum balance of Lewis and Bronsted acid sites, making them ideal catalysts for the investigated processes. Starbon acids were comparably active and differently selective compared to similar solid acids utilised in the proposed acid catalysed processes including commercial sulphated zirconia and beta zeolite. Materials were also highly reusable under the different reaction conditions, preserving their activities almost unchanged after 4 reuses.

    Research areas

  • Acylation, Alkylation, Brönsted and Lewis acidity, Heterogeneous catalysis, Starbon acids

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