Gold catalysts on different supports, prepared by sol immobilization and deposition-precipitation, were tested in aminoalcohol oxidation for the direct preparation of aminoacids. Nitrogen substitution appeared to be crucial for avoiding parallel reaction pathway, but also the reaction conditions play an important role. Basic conditions and moderate temperature (40 °C) represent a good compromise for enhancing selectivity to aminoacids. TiO 2 represents the most versatile support.
Gold catalysts for the direct oxidation of aminoalcohols to aminoacids / A. Gaiassi, L. Prati. - In: CATALYSIS TODAY. - ISSN 0920-5861. - 141:3-4(2009), pp. 378-384.
Gold catalysts for the direct oxidation of aminoalcohols to aminoacids
L. PratiUltimo
2009
Abstract
Gold catalysts on different supports, prepared by sol immobilization and deposition-precipitation, were tested in aminoalcohol oxidation for the direct preparation of aminoacids. Nitrogen substitution appeared to be crucial for avoiding parallel reaction pathway, but also the reaction conditions play an important role. Basic conditions and moderate temperature (40 °C) represent a good compromise for enhancing selectivity to aminoacids. TiO 2 represents the most versatile support.
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