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A metal-organic complex containing mixed ligand zinc (ii) and its preparation method and application

A technology of metal complexes and complexes, applied in zinc organic compounds, 2/12 group organic compounds without C-metal bonds, organic chemistry methods, etc., can solve the problems of long analysis time, high cost, secondary pollution, etc.

Active Publication Date: 2020-10-23
中玺新材料(安徽)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although there are various methods for detecting nitrobenzene, such as chemical analysis, chromatography, electrochemical methods, and spectroscopic analysis, these methods have disadvantages such as high cost, long analysis time, and possible secondary pollution. Finding an efficient, fast and safe method to detect nitrobenzene in water is a hotspot in this field.

Method used

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  • A metal-organic complex containing mixed ligand zinc (ii) and its preparation method and application
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  • A metal-organic complex containing mixed ligand zinc (ii) and its preparation method and application

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Embodiment

[0014] Embodiment: Zn(NO 3 ) 2 ·6H 2 O (59.2 mg, 0.2 mmol), NaN 3 (26.0mg, 0.4mmol), 5-aminoisophthalic acid (18.1mg, 0.1mmol), 2,2'-biquinoline (25.63mg, 0.1mmol) and 15mL of secondary deionized water were added as solvent to In a 25mL autoclave, heat to 180°C and maintain the temperature for 3 days. After cooling down to room temperature by itself, yellow blocky crystals were obtained, filtered, and the filter cake was washed with deionized water to obtain a single crystal of the target complex. Based on Zn(NO 3 ) 2 ·6H 2 The calculated yield of O is about 51%.

[0015] The 5-aminoisophthalic acid zinc-biquinoline metal complex of the present invention is further characterized, and its process is as follows:

[0016] 1. Determination of the crystal structure of the complex

[0017] Select a single crystal with a size of 0.180mm×0.160mm×0.150mm, and use Mo-kα rays monochromated by graphite on a Bruker Smart APEXII CCD single crystal diffractometer at 293K is the in...

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Abstract

The invention discloses a metal organic complex containing mixed ligand zinc (II) and a preparing method and application of the complex. Zinc nitrate hexahydrate, hydrazoic acid sodium, 5-amino-m-phthalic acid and 2,2'-diquinoline are placed in secondary deionized water for solvent thermal reaction. Reaction products are filtered, a filter cake is washed with deionized water, and yellow blocky complex single crystals with the chemical formula of C52H34N6O8Zn2 are obtained. The complex forms a one-dimensional spiral chain-shaped structure through group bridging of 5-amino-m-phthalic acid, and athree-dimensional super-molecular structure is formed through the accumulation of intermolecular hydrogen bonds and pi...pi aromatic rings. Complex / water suspension liquid has quite strong fluorescence emission at the 406-nm position, fluorescence is rapidly quenched after nitrobenzene is added, and the complex can be used as a fluorescence probe for detecting nitrobenzene in a water body.

Description

technical field [0001] The invention belongs to the field of organic synthesis, and relates to a biquinoline zinc metal-organic complex, a preparation method thereof, and an application of the complex in fluorescence detection. Background technique [0002] Nitrobenzene is an important chemical raw material, which is widely used in medicine, dyes, explosives and other industries. Nitrobenzene is extremely harmful to the human body. Long-term exposure to nitrobenzene water can cause liver, blood, skin and other organ lesions and peripheral nerve damage. It belongs to the first batch of 68 blacklists of priority pollutants in water in my country. A sort of. Although there are various methods for detecting nitrobenzene, such as chemical analysis, chromatography, electrochemical methods, and spectroscopic analysis, these methods have disadvantages such as high cost, long analysis time, and possible secondary pollution. Finding an efficient, fast and safe method to detect nitrob...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F3/06C09K11/06G01N21/64
CPCC07B2200/13C07F3/003C09K11/06C09K2211/188G01N21/643
Inventor 徐衡桂乃成严达陈正祥冯学军黄荣谊
Owner 中玺新材料(安徽)有限公司
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