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Nano-layered compound with regular arrays of amino acid and preparation method thereof

A technology for layered compounds and amino acids, which is applied in the fields of compounds of Group 4/14 elements of the periodic table, chemical instruments and methods, organic chemistry, etc. problems such as the layered nanospace environment

Inactive Publication Date: 2009-09-23
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, because the existing montmorillonite and hydrotalcite-like layered materials lack a functional layered nano-space environment, and their layer space structure is difficult to change, it is difficult to effectively control the arrangement of functional molecules in their layer space. , which greatly limits the application of these materials

Method used

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  • Nano-layered compound with regular arrays of amino acid and preparation method thereof
  • Nano-layered compound with regular arrays of amino acid and preparation method thereof
  • Nano-layered compound with regular arrays of amino acid and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0090] Preparation of natural (L-type) and racemic (DL-type)-p-amino acid succinamide phenyl silica layered compound (A);

[0091] (1) Prepare p-aminophenyl silicon oxide-dodecylsulfate layered compound in advance; its preparation method is: first dissolve 2.88mmol of sodium laurylsulfate into 250ml of deionized water, then add 2.74mmol of p-aminophenyltrimethoxysilane, then slowly drop 0.5mol / L hydrochloric acid to adjust the pH value of the mixed solution to 2.07, and magnetically stir at room temperature for 12 days to carry out the sol-gel process; Washing with deionized water and acetylene, and drying in vacuum to obtain p-aminophenyl silicon oxide-dodecylsulfuric acid layered structure compound;

[0092] In order to prove the chemical and three-dimensional structure of p-aminophenyl silica-dodecylsulfuric acid nanocomposite layered structure, a series of analytical experiments were carried out. Firstly, octaalkyl sulfate anion is used, and chloride anion carries out anion...

Embodiment 2

[0110] Preparation of natural (L-type) and racemic (DL-type)-p-amino acid butenediamide phenyl silica layered compound (C);

[0111] (1) Prepare p-aminophenyl silicon oxide-dodecylsulfuric acid layered compound in advance; its preparation method is the same as (1) step in the above-mentioned embodiment 1;

[0112] (2) Disperse 0.1mol of p-aminophenyl silica-dodecyl sulfuric acid in 50ml of THF, then add 0.5mol of butenedioic anhydride, heat to 50°C, and stir magnetically for 1 day; Washing with ethanol, drying in vacuo, the final product p-carboxyacrylamide phenyl silicon oxide layered compound;

[0113] Carry out infrared spectroscopic analysis to the product, the alkyl group of dodecylsulfuric acid is in 2700 to 3000cm -1 The peak disappears in the infrared spectrum of p-carboxyacrylamide phenyl silicon oxide compound. It can be seen that there is no dodecylsulfuric acid present in the p-carboxypropionamidophenyl silicon oxide compound. In addition, two new peaks at 1700 ...

Embodiment 3

[0120] Preparation of natural (L-type) and racemic (DL-type)-p-amino acid glutaramide phenyl silica layered compound (D);

[0121] (1) Prepare p-aminophenyl silicon oxide-dodecylsulfuric acid layered compound in advance; its preparation method is the same as (1) step in the above-mentioned embodiment 1;

[0122] (2) Disperse 0.1mol of p-aminophenyl silica-dodecylsulfuric acid in 50ml of THF, then add 0.5mol of glutaric anhydride, heat to 50°C, and stir magnetically for 1 day; finally filter with ethanol Washing, drying in vacuo, the final product p-carboxybutyramide phenyl silicon oxide layered compound;

[0123] Infrared and 13 C CP / MAS NMR analysis, obtained similar to Figure 5 and 6 the infrared and 13 The CCP / MAS NMR spectrum proves that one carbonyl group in glutaric anhydride reacts with the amino group in p-aminophenyl silica-dodecylsulfuric acid to form an amide, while the other carbonyl group in glutaric anhydride is transformed into a carboxylic acid group, thu...

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Abstract

The invention relates to a nano-layered structure compound with regular arrays of amino acid and a preparation method thereof, belonging to the technical field of organic nano-layered compound preparation. The method comprises the steps of: using a synthesized nano-layered compound with regular arrays of acyl chloride to conduct amidation grafting reaction with natural (L-type) and racemization (DL-type) amino acid with protected active group except amino-group; then using protecting group remover to remove the protecting group in the amino acid; and finally obtaining a stable nano-layered compound with regular arrays of amino acid.

Description

technical field [0001] The invention relates to a nano-layer structure compound with regularly arranged amino acids and a preparation method thereof, belonging to the technical field of preparation of organic nano-layer compounds. Background technique [0002] As we all know, nanomaterials science is the focus of the future development of materials science, and its research and development have a profound impact on various fields of chemistry. As an important part of nanomaterials, layered nanospace materials such as montmorillonite and hydrotalcite, due to their clear nanoscale space structure and stable physical and chemical properties, make them useful in catalytic chemistry, materials The fields of chemistry, electrochemistry and biochemistry are widely studied and applied. In the layered nanospace, functional inorganic or organic molecules can exist in the form of a monolayer, which is impossible to obtain in the macroscopic space, so it is possible to form composite m...

Claims

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Application Information

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IPC IPC(8): C07F7/10
CPCY02P20/55
Inventor 姚建刘婉君
Owner SHANGHAI UNIV
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