Catalytic Activity Dependency on Catalyst Components in Aerobic Copper-TEMPO Oxidation
作者： Esa T. T. Kumpulainen , Ari M. P. Koskinen
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摘要: The influence of catalyst components in the copper-TEMPO (2,2,6,6-tetramethylpiperidine N-oxide) catalysed aerobic oxidation alcohols was investigated. type and amount base greatly influences reactivity. bipyridyl ligand concentration had no major on catalysis, but excessive amounts led to a decrease activity for longer reaction times. kinetic dependency TEMPO found be 1.15, copper 2.25, which is an indication binuclear catalytic system. Optimised conditions with various allylic aliphatic give good excellent rapid oxidations.
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