Synthesis and Characterization of a Series of New Asymmetric Salphen Mono- and Binuclear Metal Complexes |
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Authors: | Li Jiayuan Guo Liqin Ruan Wenjuan Zhu Zhiang |
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Affiliation: | Department of Chemistry, Nankai University, Tianjin 300071, China |
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Abstract: | Two novel asymmetric salen ligands H2L1 [N‐phenyl‐N‐(2‐hydroxy‐5‐methylphenyl)‐N′‐(2‐hydroxy‐3‐meth‐ oxylphenyl)‐o‐phenyldiamine] and H2L2 [N‐phenyl‐N‐(2‐hydroxy‐5‐chlorophenyl)‐N′‐(2‐hydroxy‐3‐methoxyl‐ phenyl)‐o‐phenyldiamine] and their metal complexes MLn (M=Zn, Co, Ni, Cu; n=1, 2) have been prepared and characterized by elemental analyses, 1H NMR, ESI‐MS, FT‐IR and UV‐Vis spectra. In particular, the complex ZnL1, the binuclear monosalphen complex, was synthesized and studied in detail using 1H NMR and ESI‐MS techniques. For other metal complexes under the same reaction conditions, only mononuclear complexes were obtained. The results are relevant to both the metal ions and the structure of ligands. |
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Keywords: | binuclear and mononuclear salphen complexes synthesis NMR spectroscopy UV/Vis spectroscopy IR spectroscopy |
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