Journal
TURKISH JOURNAL OF CHEMISTRY
Volume 39, Issue 3, Pages 550-562Publisher
Tubitak Scientific & Technological Research Council Turkey
DOI: 10.3906/kim-1408-42
Keywords
Encapsulated catalyst; zeolite; heterogeneous; hydrogen peroxide; copper complex
Funding
- University of Zanjan
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2,6-Pyridinedicarboxylic acid (H-2 dipic) reacts with copper-exchanged zeolite NaY to form [Cu(dipic)(H2O)(2)](n), which is encapsulated in the pores of the zeolite. In this zeolite-encapsulated form, the copper derivative functions as an efficient catalyst for the oxidation of cyclohexene, toluene, cyclohexane, and ethyl benzene in the presence of hydrogen peroxide (as an oxidant). The catalyst was readily recovered from the reaction mixture, and it could be reused for an additional three runs without perceptible loss of activity. The heterogeneous catalyst exhibited considerably higher activity and selectivity compared with [Cu(dipic)(H2O)(2)](n) itself.
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