Synthesis and Catalytic Activities of Silica-Supported Multifunctional Azo-Containing Schiff Base Complexes with Cu(II), Co(II), Ni(II) and Mn(II) |
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Authors: | Serhan Uruş Mustafa Dolaz Mehmet Tümer |
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Affiliation: | 1.Department of Chemistry, Faculty of Science and Letters,Kilis 7 Aral?k University,Kilis,Turkey;2.Environmental Engineering Department, Faculty of Engineering and Architecture,K.Mara? Süt?ü ?mam University,Kahramanmara?,Turkey;3.Department of Chemistry, Faculty of Science and Letters,K.Mara? Süt?ü ?mam University,Kahramanmara?,Turkey |
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Abstract: | A novel 4-((5-formyl-2,4-dihydroxyphenyl)diazenyl)benzylphosphonic acid (FPABP) ligand was synthesized and bound to silica-gel which was activated with 3-aminopropyltriethoxysilane (APTES). Cu(II), Co(II), Ni(II) and Mn(II) complexes of silica-supported ligand (FDPDABP) were synthesized. The ligand and its complexes were characterized by using NMR, FT-IR, elemental analysis, ICP-OES and scanning electron Microscope (SEM). Catalytic properties of the complexes were investigated for the selective oxidation of cyclohexane under microwave power. SiO2-FDPDABP-Cu(II) complex showed good catalytic activitiy for the selective oxidation of cyclohexane to cyclohexanol with 35.61% yield and cyclohexanone with 7.74% yield. |
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