Synthesis,crystal structure of two new Zn(II), Cu(II) porphyrins and their catalytic activities to ethylbenzene oxidation |
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| Affiliation: | 1. Center for Cell and Gene Therapy, Takara Bio Inc, Seta, Otsu, Shiga, Japan;2. Tsukuba Primate Research Center, National Institute of Biomedical Innovation, Tsukuba, Ibaraki, Japan;1. Laboratory Physico-Chemistry of Advanced Materials, University of Djillali Liabes, BP 89, Sidi Bel Abbes, 22000, Algeria;2. Djillali Liabes University, Faculty of Exact Sciences, Department of Physics, PO Box 089, Sidi Bel Abbes, 22000, Algeria;1. BASF Process Research and Chemical Engineering, 25 Middlesex-Essex Turnpike, Iselin, NJ 08830, USA;2. BASF Chemicals India Pvt Ltd, Plot 12, TTC Area, Thane-Belapur Road, Turbhe Navi Mumbai 400705, India;3. BASF Process Catalysts and Technologies, 101 Wood Avenue, Iselin, NJ 08830, USA;1. Information & Communication Core Technology Research Laboratory, Electronics and Telecommunications Research Institute, 218 Gajeongno, Yuseong-gu, Daejeon, 305-700, South Korea;2. Department of Advanced Device Engineering, University of Science and Technology, 217 Gajeongno, Yuseong-gu, Daejeon, 305-350, South Korea;3. Eindhoven University of Technology (TU/e), Department of Applied Physics, Plasma & Materials Processing, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands |
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| Abstract: | 
One novel porphyrin 5,10,15,20-tetra(4-(4-acetateethyl)phenoxy)phenylporphyrin (H2Pp), and its two corresponding zinc(II) and copper(II) porphyrins (ZnPp, CuPp) is synthesized and characterized by spectroscopic techniques. The single crystal structures of [ZnPp(DMF)]·DMF (1) and [CuPp(DMF)] (2) are also obtained and analyzed. Complex 1 crystallizes in monoclinic system compared to the triclinic system of complex 2, which may due to the influence of solvent DMF molecule in 1. The metal centers have similar coordination environments in the two structures, which are all five-coordinated pyramid geometry with four nitrogen atoms of porphyrin ring from equator and an axial oxygen atom of DMF molecule. 1 and 2 display 3D supramolecular structures constructed by π⋯π interactions of porphyrin rings and C–H⋯O hydrogen bonds. The catalytic activities of 1 and 2 to the ethylbenzene oxidation are examined. The results indicate that both of them exhibit highly selectivity to acetophenone (> 99%) with the conversion of 23% (1) and 76% (2) respectively. |
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