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5-nitro orotic acid cobalt complex as well as preparation method and application thereof

A technology of nitroorotic acid and cobalt complexes, which is applied in the field of coordination chemistry, can solve problems such as the inability to explain the bonding and properties of coordination compounds, and achieve excellent physical and chemical properties and broad application prospects

Inactive Publication Date: 2020-02-21
NINGBO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The earliest research on complexes began in 1798, when the French chemist Tasael first prepared CoCl with divalent cobalt salt, ammonium chloride and ammonia water. 3· 6NH 3 , the bonding and properties of coordination compounds could not be explained at that time

Method used

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  • 5-nitro orotic acid cobalt complex as well as preparation method and application thereof
  • 5-nitro orotic acid cobalt complex as well as preparation method and application thereof
  • 5-nitro orotic acid cobalt complex as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Weigh CoCl 2 ·6H 2 O (0.238g, 1.0mmol), 5-nitroorotic acid (0.201g, 1.0mmol), 1,3-two (4-pyridine) propane (0.198g, 1.0mmol) were placed in a round bottom flask, and Distilled water 10mL, ethanol 5.0mL and DMF 1.0mL, stirred at room temperature for 10min, then transferred the mixture to a stainless steel reactor at 130°C for 48h, cooled naturally to room temperature, separated by filtration to obtain red blocky crystals.

Embodiment 2

[0025] Weigh Co(OAc) 2 4H 2 O (0.249g, 1.0mmol), 5-nitroorotic acid (0.201g, 1.0mmol), 1,3-two (4-pyridine) propane (0.198g, 1.0mmol) were placed in a round bottom flask, and Distilled water 10mL, ethanol 5.0mL and DMF 1.0mL, stirred at room temperature for 10min, then transferred the mixture to a stainless steel reactor at 160°C for 24h, cooled naturally to room temperature, separated by filtration to obtain red blocky crystals.

Embodiment 3

[0027] Weigh Co(NO 3 ) 2 ·6H 2 O (0.291g, 1.0mmol), 5-nitroorotic acid (0.201g, 1.0mmol), 1,3-bis(4-pyridine)propane (0.198g, 1.0mmol) were placed in a round bottom flask, added 15mL of distilled water, 7.5mL of ethanol and 1.5mL of DMF were stirred at room temperature for 10min, then the mixture was transferred to a stainless steel reactor at 140°C for 36h, cooled naturally to room temperature, separated by filtration to obtain red blocky crystals.

[0028] The red blocky crystals prepared in the above examples were subjected to X-ray single crystal diffraction test and analysis. It was determined that the occupancy ratios of cobalt ions, ligands and coordination water were all 0.5, and its asymmetric structural unit was composed of 0.5 cobalt ions , 0.5 5-nitroorotate, 0.5 1,3-bis(4-pyridine) propane, and 0.5 coordinated water molecules. The simplified structure is [Co 0.5 (HL) 0.5 (bpp) 0.5 (H 2 O) 0.5 ], the crystal system is triclinic, the space group is P-1, and t...

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Abstract

The invention discloses a 5-nitro orotic acid cobalt complex as well as a preparation method and application thereof, and the complex is prepared from a cobalt salt, 5-nitro orotic acid and 1, 3-di (4-pyridine) propane as raw materials through self-assembly reaction, has a clear space structure and an accurate molecular formula, and is simple in synthesis steps. An asymmetric structural unit of the complex is composed of 0.5 of metal cobalt ions, 0.5 of 5-nitro orotic acid radicals, 0.5 of 1, 3-di (4-pyridine) propane and 0.5 of coordinated water molecules, the crystal system is triclinic, andthe space group is P-1. The prepared cobalt complex is a cocatalyst and a carrier, has excellent catalytic reduction performance after being loaded with nano Co / C, can be recycled, and has a wide application prospect in the field of catalytic materials.

Description

technical field [0001] The invention belongs to the field of coordination chemistry, and specifically relates to a cobalt 5-nitroorotate complex, a preparation method and application thereof. Background technique [0002] Complexes generally refer to a class of compounds formed by atoms or ions of transition metals and ligand molecules containing lone pairs of electrons through coordination bonds. Complexes are a relatively large subcategory of compounds. They are widely used in daily life, industrial production and life sciences. They have developed particularly rapidly in recent years. They are not only related to inorganic compounds and organometallic compounds, but also to modern chemical compounds. The cutting-edge cluster chemistry, coordination catalysis and molecular biology are closely connected or overlapped. People have been in contact with coordination compounds for a long time, most of which are used in daily life, and the raw materials are basically obtained f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F15/06B01J31/22C07C227/04C07C229/60
CPCC07F15/065B01J31/2217C07C227/04C07B2200/13B01J2231/641B01J2531/845
Inventor 李星胡雅涵林惠娟
Owner NINGBO UNIV
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