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Transition metals with 2,2 ' - such as linked imidazole nitrogen ligands Synthesis , structure and properties of

Author: ZhouLiLi
Tutor: JinQiongHua
School: Capital Normal University
Course: Physical and chemical
Keywords: Transition metal complexes crystal structure 2,2’-biimidazole 2-mercaptobenzothiazole 2,2’-bipy bis(diphenylphosphino)methane
CLC: O621.1
Type: Master's thesis
Year: 2009
Downloads: 153
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Abstract


The construction of novel transition metal coordination compounds has become a subject that attracts intense attention in the field of supramolecular chemistry and crystal engineering because of their diversity structures and promising applications in the field of catalysis,bioactivity and material etc. A series of transition metal complexes based on 2,2’-biimidazole（H2biim） and 2-mercaptobenzothiazole（2-Hmbt） have been synthesized and characterized by IR, elemental analysis, luminescence, 1H NMR and by the X- ray diffraction.The main work is as follows:1. Ten new complexes based on 2,2’-biimidazole（H2biim） and carboxylate coligands have been prepared with many transition metal salts: [Cu（H2biim）2（H2O）]（NO3）2 （1）, [Cu（H2biim）2]（ClO4）2·2DMSO （2）, [Cu（H2biim）2][（I）0.36·（NO3）0.64]2 （3）, {[Cu（H2biim）2（H2O）]（SiF6）}·H2O （4）, [Cu（H2biim）（C3H4O4）（H2O）]1.5H2O（5）, [Cu（H2biim）（gly）（H2O）]Cl·H2O （6）, [Fe2（μ-O）（H2biim）4（H2O）2]（NO3）4·C2H5OH （7）, [Fe（H2biim）3]SO4 （8）, [（H3biim+）（NO3-）] （9） and [（H4biim2+）（phthgly-）2] （10）.2. Five Zn（II） and Cd（II） complexes based on 2-mercaptobenzothiazole（2-Hmbt） and other ligands containing N atoms have been synthesized: Zn（2-mbt）2（2,2’-bipy） （11）, Zn（2-mbt）2（phen） （12） , [Cd2（2-mbt）4]n （13）, [Cd（2-mbt）2]n （14） and [Zn（2,2’-bipy）3]2Cl4·H2O （15）.3. A binuclear Cu（I） complex [Cu2（dppm）（C9H7N）（i-C9H7N）I2] （16） has been synthesized by quinoline, dppm（bis（diphenylphosphino）methane） and CuI.

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