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Xanthene-9-cadmium carboxylate complex and preparation method thereof
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A technology of cadmium complexes and xanthenes, which is applied in the fields of cadmium organic compounds, chemical instruments and methods, luminescent materials, etc., can solve the problem of unreported research on metal complexes, and achieve the effect of stable fluorescence performance
Inactive Publication Date: 2013-09-25
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY +1
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[0004] Compared with the above-mentioned aromatic carboxylic acid ligands containing benzene ring, naphthalene ring, anthracycline and its derivatives series, carboxylic acid ligands containing xanthene ring series, such as xanthene-9-carboxylic acid , the study of its metal complexes has not been reported so far
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Embodiment 1
[0024] Dissolve 0.05mmol HL in 2mL of methanol, add about 0.05mL of excess 2,6-lutidine and stir evenly, then add 0.05mmol Cd(ClO 4 ) 2 ·6H 2 O, stirred and dissolved, filtered, and then left to volatilize for 5-8 days to obtain a colorless block single crystal. The crystals were washed successively with distilled water, ethanol and ether, and dried in vacuum. The yield was about 55%. The main infrared absorption peaks are: 3443m(br), 1604m, 1573s, 1482s, 1454m, 1381m, 1326w, 1304w, 1259vs, 1211w, 1183w, 1154w, 1120w, 1097w, 1036w, 941w, 871w, 801w, 746m, 664w, 570w, 490w.
Embodiment 2
[0026] Dissolve 0.1mmol HL in 5mL of methanol, add about 0.05mL of excess 2,6-lutidine and stir evenly, then add 0.1mmol Cd(ClO 4 ) 2 ·6H 2 O, stirred and dissolved, filtered, and then left to volatilize for 5-8 days to obtain a colorless block single crystal. The crystals were washed successively with distilled water, ethanol and ether, and dried in vacuum. The yield was about 60%. The main infrared absorption peaks are: 3443m(br), 1604m, 1573s, 1482s, 1454m, 1381m, 1326w, 1304w, 1259vs, 1211w, 1183w, 1154w, 1120w, 1097w, 1036w, 941w, 871w, 801w, 746m, 664w, 570w, 490w.
Embodiment 3
[0028] Dissolve 0.05mmol HL in 2mL of methanol, add about 0.03mL of excess 2,6-lutidine and stir evenly, then add 0.05mmol Cd(NO 3 ) 2 2H 2 O, stirred and dissolved, filtered, and then left to volatilize for 5-8 days to obtain a colorless block single crystal. The crystals were washed successively with distilled water, ethanol and diethyl ether, and dried under vacuum. The yield was about 52%. The main infrared absorption peaks are: 3443m(br), 1604m, 1573s, 1482s, 1454m, 1381m, 1326w, 1304w, 1259vs, 1211w, 1183w, 1154w, 1120w, 1097w, 1036w, 941w, 871w, 801w, 746m, 664w, 570w, 490w.
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Abstract
The invention discloses a xanthene-9-cadmiumcarboxylate complex and a preparation method thereof, belonging to the field of d10 metal complex fluorescent materials. The complex has a chemical formula as follows: [Cd(L)2(CH3OH)2] infinity, wherein L=xanthene-9-carboxy-anionic coordinate. The complex is synthesized by using a solvent volatilizing method which comprises the following steps: dissolving the complex xanthene-9-carboxylic acid (HL) by using methyl alcohol, adding a certain quantity of 2,6-dimethyl pyridine, and stirring uniformly; then adding metalcadmium salt, filtering after stirring and dissolving, and then standing for volatilizing for 5-8 days to obtain a colorless massive monocrystal. The synthesis process has the advantages of simplicity, convenience in operation, good stability, high productivity, good reproducibility and the like. The obtained solid material is expected to be further researched and developed in the field of fluorescent materials.
Description
technical field [0001] The invention belongs to d 10 The field of metal complex fluorescent materials, especially a cadmium xanthene-9-carboxylate complex and a preparation method thereof. Background technique [0002] Design and synthesize d with novel structures and special functions 10 Metal complexes have received great attention in recent years. Many of them have shown potential superior application properties, such as optics, catalysis, adsorption separation and biological activity etc. (S.Leininger, B.Olenyuk, P.J.Stang, Chem.Rev.2000,100,853-908; , Coord.Chem.Rev.2001, 215, 79-98; O.R.Evans, W.Lin, Acc.Chem.Res.2002, 35, 511-522; P.J.Steel, Acc.Chem.Res.2005, 38, 243 -250; B.-H.Ye, M.-L. Tong, X.-M. Chen, Coord. Chem. Rev. 2005, 249, 545-565). Carboxylic acid ligands have always received great attention in the construction of coordination polymers. This kind of ligands partially or completely removes protons, so that the ligands can exhibit various flexible coord...
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