| Crystal Structure of C_(19)H_(22)N_2O_3 and Synthesis of Two Potential Schiff-base Ligands |
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| 作者单位： | LI Jian,ZHANG Wen-Xing,MA Chang-Qin,JIANG De-Hua(College of Chemistry, Shandong University, Jinan, 250100);YANG Tian-Lin(Department of Chemistry, Ningxia University, Yinchuan, 750021) |
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| 摘 要： | １ＩＮＴＲＯＤＵＣＴＩＯＮＳｉｎｃｅＲｏｂｓｏｎｈａｓｐｕｔｆｏｒｗａｒｄｔｈｅｃｏｎｃｅｐｔｉｏｎｏｆｄｉｎｕｃｌｅａｔｉｎｇｌｉｇａｎｄｉｎ１９７０〔１〕，ｄｉｎｕｃｌｅａｒｃｏｍｐｌｅｘｅｓｈａｖｅｒｅｃｅｉｖｅｄｍｕｃｈａｔｅｎｔｉｏｎｆｏｒ...
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Crystal Structure of C19H22N2O3 and Synthesis of Two Potential Schiff-base Ligands |
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| LI Jian,ZHANG Wen-Xing,MA Chang-Qin,JIANG De-Hua,YANG Tian-Lin. Crystal Structure of C19H22N2O3 and Synthesis of Two Potential Schiff-base Ligands[J]. Chinese Journal of Structural Chemistry, 1999, 18(2) |
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| Authors: | LI Jian ZHANG Wen-Xing MA Chang-Qin JIANG De-Hua YANG Tian-Lin |
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| Abstract: | Two new Schiff-base compounds, as potential ligands, 3, 3'-dimethyl-4, 4'-di(acetylacetonylideneimino)biphenyl C19H22N2O3(1) and 3, 3'-dimethyl-4-acetylacetonylideneimino-4'-aminobiphenyl C24H28N2O4(2), were synthesized and characterized by elemental analyses, IR, UV and 1H NMR spectra. The crystal structure of 1 has been determined by X-ray diffraction technique. The crystal is monoclinic, space group P21/c, with a=14.871(3), b=7.290(1), c=16.787(3), β=106.97(3)°, V=1741(1) 3, Dx=1.246 g/cm3, Z=4, Mr=326.40, λ=0.71073, μ(MoKα)=0.792 cm-1, F(000)=696. The final refinement is converged with R=0.057 and Rw=0.058 for 1615 observed reflections [I≥3σ(I)]. The result of structure analysis indicates that atoms N(1), O(2) and O(3) are included in a conjugate system. |
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| Keywords: | synthesis character structure Schiff-base ligand |
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