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Ruthenium on chitosan: A recyclable heterogeneous catalyst for aqueous hydration of nitriles to amides
Baig, N., M. Nadagouda, AND R. Varma. Ruthenium on chitosan: A recyclable heterogeneous catalyst for aqueous hydration of nitriles to amides. GREEN CHEMISTRY. Royal Society of Chemistry, Cambridge, Uk, 16(4):2122-2127, (2014).
Sent for publication in the Royal Society of Chemisry (RSC) journal, Green Chemistry
Ruthenium has been immobilized over chitosan by simply stirring an aqueous suspension of chitosan in water with ruthenium chloride and has been utilized for the oxidation of nitriles to amides; the hydration of nitriles occurs in high yield and excellent selectivity, which proceeds exclusively in aqueous medium under neutral conditions.