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Synthesis method of M4L6 (M=Ti, Zr, Hf) molecular cage with coordination assembly function

A molecular cage and functional technology, applied in the field of M4L6 molecular cage synthesis, can solve problems such as lack of coordination and assembly function

Active Publication Date: 2019-04-26
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, the reported metal-organic molecular cages have almost no coordination assembly function

Method used

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  • Synthesis method of M4L6 (M=Ti, Zr, Hf) molecular cage with coordination assembly function
  • Synthesis method of M4L6 (M=Ti, Zr, Hf) molecular cage with coordination assembly function
  • Synthesis method of M4L6 (M=Ti, Zr, Hf) molecular cage with coordination assembly function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0077] Measure titanium isopropoxide (0.16mL, 0.5mmol), pamoic acid (155mg, 0.4mmol), n-propanol (4.5mL) and dimethylformamide (1.5mL) into a 20mL glass bottle, at room temperature Mix evenly, add ethylenediamine (0.08mL, 0.04mmol) with a purity of 99% to the mixed reaction system, and then place it in a 100°C oven for constant temperature reaction for 3 days, take it out, cool it down to room temperature naturally, and separate the solid phase, and then wash the solid phase with n-propanol to obtain red octahedral Ti 4 L 6 crystalline product.

[0078] Change the titanium isopropoxide in the above scheme to zirconium n-propoxide or hafnium n-propoxide, use the same operation method and react under the same conditions, you can get yellow octahedral Zr 4 L 6 or Hf 4 L 6 crystalline product.

[0079] After testing, the Ti prepared in Example 1 4 L 6 、Zr 4 L 6 and Hf 4 L 6 The yields of crystalline products were all over 88%.

[0080] Ti prepared in embodiment 1 4 L...

Embodiment 2

[0086] Measure titanium tetrachloride (0.09ml, 0.4mmol), pamoic acid (120mg, 0.3mmol), n-propanol (4.5mL) and dimethylformamide (1.5mL) into a 20mL glass bottle, at room temperature Mix evenly, add ethylenediamine (0.08mL, 0.04mmol) with a purity of 99% to the mixed reaction system, then place it in an oven at 100°C for 3 days, take it out, let it cool down to room temperature, and separate the solid phase. Rinse with n-propanol to get red dodecahedron Ti 4 L 6 crystalline product.

[0087] Change the titanium tetrachloride in the above scheme to zirconium tetrachloride or hafnium tetrachloride, use the same operation method and react under the same conditions, you can get the yellow dodecahedral Zr 4 L 6 or Hf 4 L 6 crystalline product.

[0088] After testing, the Ti prepared in Example 2 4 L 6 、Zr 4 L 6 and Hf 4 L 6 The yield of crystalline product was over 86%.

[0089] Ti prepared in embodiment 2 4 L 6 、Zr 4 L 6 and Hf 4 L 6 It is an isomorphic compound,...

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Abstract

The invention provides an M4L6 (M=Ti, Zr, Hf) molecular cage and a synthesis method thereof. The M4L6 (M=Ti, Zr, Hf) molecular cage has an orthorhombic crystal system or a cubic crystal system. Due tothe fact that the prepared M4L6 (M=Ti, Zr, Hf) molecular cage has a tetrahedral cage-shaped structure, and further has the function of degrading pollutants, the M4L6 (M=Ti, Zr, Hf) molecular cage canbe well applied to the fields such as molecular recognition, sensing and energy cleaning.

Description

technical field [0001] The invention belongs to the technical field of preparation of crystal materials, and in particular relates to a M 4 L 6 (M=Ti, Zr, Hf) molecular cages, their synthesis methods and applications. Background technique [0002] In the study of supramolecular chemistry, the design and synthesis of metal-organic molecular cages with specific shapes and sizes has always been a research hotspot for chemists. The cage structure can be used as a molecular container to accommodate guest molecules, and through the interaction between the host and the guest, it can realize the highly selective recognition of multiple sites of special species, and it also has a very broad application prospect in the field of catalysis. [0003] There have been many reports on metal-organic molecular cages, among which the tetrahedral structure is the most common. There are usually two ways to assemble tetrahedral cage complexes: M 4 L 6 Most of the linear ligands are assembled...

Claims

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Application Information

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IPC IPC(8): C07C65/11C07C51/41B01J31/22C02F1/30C02F101/36C02F101/38
CPCC02F1/30C07C51/418B01J31/2213C02F2305/10C02F2101/308C07B2200/13B01J2531/48B01J2531/49B01J2531/46B01J2531/0252B01J35/39C07C65/11
Inventor 张健张磊何燕萍袁铝兵陈光辉
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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