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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Acknowledgments
We would like to thank to Prof. Dr. Hakkı Alma and Dr. Murat Ertaş for thermal analyses measurements. The authors also thank to Sütçü İmam University for other measurement supports.
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Uruş, S., Dolaz, M. & Tümer, M. Synthesis and Catalytic Activities of Silica-Supported Multifunctional Azo-Containing Schiff Base Complexes with Cu(II), Co(II), Ni(II) and Mn(II). J Inorg Organomet Polym 20, 706–713 (2010). https://doi.org/10.1007/s10904-010-9394-1
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DOI: https://doi.org/10.1007/s10904-010-9394-1