P-Tu-150 Effect of the Brønsted acid site strength on ionone isomer distribution during pseudoionone cyclization on solid catalysts

Tuesday, June 7, 2011
Ontario Exhibit Hall (Detroit Marriott Hotel at the Renaissance Center )
Verónica K. Diez, Carlos R. Apesteguia and Juana I. Di Cosimo, Catalysis Science and Engineering Research Group (GICIC), INCAPE, Universidad Nacional del Litoral, Santa Fe, Argentina
Heteropolyacid and triflic acid supported on silica and Amberlyst 35W convert efficiently pseudoionone into ionones (α-, β-, γ-isomers). Selectivity toward the three ionone isomers strongly depends on the surface acid site strength: α-ionone is favored on Amberlyst while the stronger acid sites of triflic acid give the most valuable β-ionone

Extended Abstracts:

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