Different supported sulfonic acids have been prepared in order to test their catalytic activity in some organic reactions. These materials have shown a very good catalytic activity in many oxidation reactions with aqueous diluted hydrogen peroxide, such as: Baeyer-Villiger oxidation of ketones, dihydroxylation of alkenes, oxidation of hydroquinones to benzoquinones and sulfoxidation of aromatic sulfides. Moreover these solid acids promote the Friedel-Crafts acylation reaction of aromatics and the aerobic coupling of xanthene-like compounds with nucleophiles. keywords: green chemistry, supported catalysis, continuous flow, oxidation, C-C bond formation
Numerosi acidi solfonici supportati sono stati preparati al fine di testarne l'attività catalitica in alcune reazioni. Questi materiali hanno mostrato un'ottima attività catalitica in diverse reazioni di ossidazione con acqua ossigenata diluita in soluzione acquosa, come ad esempio: l'ossidazione di Baeyer-Villiger dei chetoni, la diidrossilazione degli alcheni, l'ossidazione di idrochinoni a benzochinoni e l'ossidazione di solfuri aromatici a solfossidi. Inoltre tali acidi solidi hanno promosso l'acilazione di Friedel-Crafts di composti aromatici e il coupling aerobico di derivati xantenici con nucleofili.
Supported sulfonic acids: solid catalysts for batch and continuous flow synthetic processes
2012
Abstract
Different supported sulfonic acids have been prepared in order to test their catalytic activity in some organic reactions. These materials have shown a very good catalytic activity in many oxidation reactions with aqueous diluted hydrogen peroxide, such as: Baeyer-Villiger oxidation of ketones, dihydroxylation of alkenes, oxidation of hydroquinones to benzoquinones and sulfoxidation of aromatic sulfides. Moreover these solid acids promote the Friedel-Crafts acylation reaction of aromatics and the aerobic coupling of xanthene-like compounds with nucleophiles. keywords: green chemistry, supported catalysis, continuous flow, oxidation, C-C bond formationFile | Dimensione | Formato | |
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https://hdl.handle.net/20.500.14242/151680
URN:NBN:IT:UNIPR-151680