Journal
INORGANICA CHIMICA ACTA
Volume 421, Issue -, Pages 1-9Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2014.05.024
Keywords
Schiff base; Azo-compound; Oxidation; Silica-supported; Catalysis; Cyclohexane
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In this paper, a novel solid phase supported Schiff base ligand (L-1: MDPMP) was prepared from 2-hydroxy-5-((2-methoxyphenyl) diazenyl) benzaldehyde (L: HMDB) and silica-gel, activated with 3-aminopropyltriethoxysilane (APTES). Cu (II), Co (II), Ni (II) and Mn (II) complexes of silica-supported ligand (L-1: MDPMP) were obtained. The ligand and its four metal complexes were characterized by using NMR (H-1 and C-13), FT-MIR/FIR, elemental analysis, ICP-OES, TGA and Scanning Electron Microscope (SEM). Their catalytic performances in catalytic oxidation of cyclohexane were investigated for the selective oxidation of cyclohexane under microwave power. Silica-supported L-1-Cu (II) complex was observed well selective catalytic properties for the oxidation of cyclohexane to cyclohexanol and cyclohexanone. (C) 2014 Elsevier B.V. All rights reserved.
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