Highly selective catalytic oxidations of (sterically hindered) aryl thiophenes using stoichiometric amounts of hydrogen peroxide (35% in water)and cis-Ru(II) bis(substituted phenanthroline) complexes (as low as 0.1%) were carried out in acetonitrile at 75 oC, affording the correspondingsulfones in high yields and selectivities. The products were recovered quantitatively by simple crystallization from the reaction mixture.
Ruthenium catalyzed selective oxidation of aryl thiophenes using hydrogen peroxide
Landaeta, Vanessa Romina;Gonsalvi, Luca;Peruzzini, Maurizio
2006
Abstract
Highly selective catalytic oxidations of (sterically hindered) aryl thiophenes using stoichiometric amounts of hydrogen peroxide (35% in water)and cis-Ru(II) bis(substituted phenanthroline) complexes (as low as 0.1%) were carried out in acetonitrile at 75 oC, affording the correspondingsulfones in high yields and selectivities. The products were recovered quantitatively by simple crystallization from the reaction mixture.File in questo prodotto:
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Descrizione: Ruthenium catalyzed selective oxidation of aryl thiophenes using hydrogen peroxide
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