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Acetylation and benzoylation of various aromatics on sulfated zirconia

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Trunschke,  Annette
Inorganic Chemistry, Fritz Haber Institute, Max Planck Society;

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Citation

Deutsch, J., Trunschke, A., Müller, D., Quaschning, V., Kemnitz, E., & Lieske, H. (2004). Acetylation and benzoylation of various aromatics on sulfated zirconia. Journal of Molecular Catalysis A: Chemical, 207(1), 51-57. doi:10.1016/S1381-1169(03)00471-0.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0011-0DAA-E
Abstract
Sulfated zirconia (SZ) has been found to have a high performance in the benzoylation of anisole. Thus, several aromatics were reacted with benzoic anhydride, benzoyl chloride, and acetic anhydride as acylating agents on SZ, to give the corresponding benzophenones and acetophenones. The rate of the acylation reactions is dependent on the nature of the respective aromatic. The reactivity decreases in the following order: anisole > mesitylene > 3-chloroanisole ∼ m-xylene ∼ 2-chloroanisole > toluene for benzoylations on SZ. The application of SZ as a catalyst for the acetylation of aromatics was only successful in case of anisole.