Catalytic behavior of 1-(2-pyridylazo)-2-naphthol transition metal complexes encapsulated in Y zeolite
作者： I. Kuźniarska-Biernacka , K. Biernacki , A.L. Magalhães , A.M. Fonseca , I.C. Neves
DOI: 10.1016/J.JCAT.2010.11.022
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摘要: Abstract The goal of this study is the preparation new heterogeneous catalysts to be used in oxidation organic molecules under mild conditions. metals zeolite (M–Y) were prepared by ion exchange method . situ encapsulation selected transition metal complexes as a guest, namely cobalt(II), nickel(II), copper(II), and zinc(II), with 1-(2-pyridylazo)-2-naphthol (PAN) ligand supercages Y (host) was accomplished flexible coordination geometry neat Y-encapsulated has been determined molecular simulations. resulting fully characterized different techniques (FTIR, SEM, chemical analysis), results indicated that encapsulated zeolite. Catalytic studies performed liquid phase for cyclohexene cyclohexanol oxidations, using tert -butylhydroperoxide oxidizing agent at 40 60 °C, respectively. All exhibited catalytic activity reactions.
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