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Synthese, Structureand Characterization of Transition Metalcomplexes with Heterocyclic Carboxylic Ligands

Author: Zhuang
Tutor: YinXianHong
School: Guangxi University for Nationalities
Course: Applied Chemistry
Keywords: Metal Complexes Crystal structure Fluorescence Thermal stability
CLC: O621.13
Type: Master's thesis
Year: 2010
Downloads: 138
Quote: 0
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Abstract


Currently, it is working on the synthesis of metal organic compounds, potential practical applications because of its the charming frame structure, and its catalytic, electrical, magnetic, optical and other characteristics. The many reports supramolecular complexes choice organic compounds containing a carboxylic acid group or a nitrogen atom as a ligand. 2 - (4 - isopropyl-4 - methyl-5 - oxo-2 - imidazolin-2 - yl) nicotinic acid (Imaz), is synthesized by the American Cyanamid Company a selective herbicide. Its molecular structure contains a pyridine carboxylic acid structure, and an imidazole ring, and therefore can be used as a functional ligand. Of synthetic ligand complexes it is only two, namely [Cu2 (Imaz) (H 2 O) 2Cl2] and [Cd (Imaz) 2] Therefore, the 2 - (4 - isopropyl-4 - methyl-5 - oxo -2 - imidazolin-2 - yl) nicotinic acid as a ligand, with a metal ion to the reaction potential of synthetic complexes also has great mining space, and because the It is a chiral compound, and so can be used as a powerful building blocks to build a wide variety of metal-organic frameworks (MOFs). Using 2 - (4 - isopropyl-4 - methyl - 5 - oxo -2 - imidazolin-2 - yl) nicotinic acid as a primary ligand were synthesized [Co (C 15 H 17 N 3 O 3 ) 2 (H 2 O) 2] · 4H 2 < / sub> O (1), [Ni (C 15 H 18 N 3 O 3 ) 2 ( H 2 O) 2 ] · 4H 2 O (2), [Co (C 1 5 H < sub> 17 N 3 O 3 ) 3 ] · H 2 O (3), {[Cu (C 15 H 18 N 3 O 3 ) (C 9 H 8 N 1 O 4 ) (H 2 O)] · 2H 2 O} (4), [Mn (C 15 H 180 N 3 O 3 2 (C 13 H 12 F 2 N 6 O 1 ) 2 < / sub>] (5), {[Cu (C 14 H 18 N 3 O 1 ) ( C 5 H 4 N 2 O 2 ) (H 2 O)] · 1.3 H 2 O} (6), [Zn 2 (C 15 H 18 N 3 O 3 ) 2 (C 6 H 4 NO 2 ) (H 2 O) 2] (7), [Cd2 (C 15 H 18 N 3 O 3 ) 2 (C 6 H 4 NO 2 ) (H 2 O) 2 ] (8), {[Mn (C 15 H 18 N 3 O 3 ) 2 ] · 2H 2 O} n (9), {[Cd (C 15 H 18 N 3 O 3 ) 2 ] · 2.67H 2 O} n (10), etc. ten having a novel structure of the transition metal complexes, complexes containing extensive intermolecular hydrogen bonds, by hydrogen bonds, complexes eventually be connected as a one-dimensional, two-dimensional or three-dimensional supramolecular structure of the synthesized complexes was subjected to a single crystal structure testing and analysis, and infrared, fluorescence, and thermal analysis of the nature of the complexes.

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CLC: > Mathematical sciences and chemical > Chemistry > Organic Chemistry > Organic Chemistry general issues > Theory of organic chemistry,physical organic chemistry > Organic Chemistry Structure Theory
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