Oxidation of organic substrates mediated by a heterogeneous Mn(1,4,7-trimethyl-1,4,7-triazacyclononane)-based catalyst
作者： Dario Veghini , Marco Bosch , Fabian Fischer , Christelle Falco
DOI: 10.1016/J.CATCOM.2008.09.019
关键词: Catalysis 、 Manganese 、 Redox 、 Selectivity 、 Oxidizing agent 、 Inorganic chemistry 、 Chemistry 、 Metathesis 、 Leaching (metallurgy) 、 Heterogeneous catalysis
摘要: Abstract Tungstosilicic acid readily undergoes salt metathesis with a Mn(1,4,7-trimethyl-1,4,7-triazacyclononane) complex to form Mn-tungstosilicic salt. This compound, being insoluble in all common solvents, was used as heterogeneous catalyst oxidation reactions H2O2 an oxidising agent. Its catalytic performance directly compared the homogeneous Mn-catalyst counterpart. Despite leaching of manganese into solution, evidences suggest, that reaction is taking place at solid surface rather than solution. The selectivity both Mn-complexes comparable, but activity lower
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