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Preparation method of water-soluble ferrocene supramolecular inclusion compound

A ferrocene and supramolecular technology, applied in the field of supramolecules, can solve the problems that ferrocene is insoluble in water, endangers human health, complex synthesis methods, etc., and achieves the effects of less environmental pollution, simple operation and good water solubility

Inactive Publication Date: 2011-02-16
YANGZHOU UNIV
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Problems solved by technology

[0004] However, ferrocene is insoluble in water, which greatly limits its use in aqueous phase
Although people obtain some water-soluble ferrocene derivatives by performing organic reactions on ferrocene in the organic phase, most of these synthetic methods are relatively complicated, cost high, endanger human health, and cause great environmental pollution.

Method used

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Examples

Experimental program
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Effect test

Embodiment

[0015] 1. Preparation of β-cyclodextrin polymer:

[0016] Add sodium hydroxide (19.7 g), β-cyclodextrin (25 g) and water (40 mL) into a 250 mL three-neck flask. Stir at room temperature until all the solids are dissolved, then add epichlorohydrin (12 mL), heat in a water bath at 30°C, and stir for 24 h.

[0017] After the reaction was completed and the temperature of the reaction system dropped to room temperature, the solution was dialyzed until the pH value of the solution was neutral. The solution was subjected to rotary evaporation until it became viscous, and absolute ethanol was added to precipitate a white solid, which was filtered and vacuum-dried at 50°C for 24 hours. Finally, a white β-cyclodextrin polymer (15 g) was obtained.

[0018] 2. Preparation of water-soluble ferrocene supramolecular clathrate:

[0019] Into a 250 mL round bottom flask was added β-cyclodextrin polymer (4 g), ferrocene (2 g) and ethylene glycol (100 mL). Stir at room temperature for 24 h a...

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Abstract

The invention relates to a preparation method of a water-soluble ferrocene supramolecular inclusion compound, belonging to the field of preparation processes of water-soluble metal organic materials in the technical field of supramolecular materials. The preparation method comprises the following steps of: firstly crosslinking beta-cyclodextrin as a raw material with epoxy chloropropane to generate a beta-cyclodextrin polymer under a strong alkaline condition; and then carrying out homogeneous supramolecular reaction on the beta-cyclodextrin polymer as a subject molecule, ferrocene as an object molecule and glycol as a reaction solvent to generate the water-soluble ferrocene supramolecular inclusion compound. The preparation method has the advantages of easy and convenient operation, easy control of conditions, little environmental pollution and easy industrialization; the material not only has high water solubility, but also has stable structure without damaging the self structure of the ferrocene; and in addition, the water-soluble ferrocene supramolecular inclusion compound can be used in the fields of aqueous-phase electroanalytical chemistry, biological sensors, aqueous-phase organic synthesis, biological medicine, and the like because of good water solubility.

Description

technical field [0001] The invention belongs to the technical field of preparation technology of water-soluble organic materials in the field of supramolecular technology. Background technique [0002] Supramolecular chemistry is the chemistry of intermolecular bonds, the study of the structure and function of highly complex organized entities through the combination of two or more molecules through intermolecular forces. The host has special selectivity to the guest, and the synthesis and application of host molecules are always the key to supramolecular chemistry. Although in 1984 Harada et al. synthesized a ferrocene supramolecular clathrate with β-cyclodextrin as the main molecule, its water solubility is very small. [0003] Since the synthesis of ferrocene by Pauson et al. in 1951, the synthesis and application of ferrocene and its derivatives have been extensively studied. Ferrocene has a unique sandwich structure, in which divalent iron ions are sandwiched between ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B37/16
Inventor 刁国旺张旺
Owner YANGZHOU UNIV
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