149 results about "Ferrocenyl group" patented technology

The invention relates to PNHO tridentate ligands and application of related ligands in asymmetric hydrogenation and similar reactions. The novel tridentate nitrogen-phosphine-oxygen ligands are first tridentate nitrogen-phosphine-oxygen ligands containing ferrocenyl planar chiral phosphine, and are successfully applied to high-efficiency high-selectivity asymmetric hydrogenation and other similar reactions of simple aromatic ketone, alpha-hydroxyketone and beta-ketone ester. Compared with other dominant tridentate ligands, the ligands provided by the invention have the advantages of simple synthesis route and low cost, can easily implement large-scale synthesis, are stable in air, and have high activity and high selectivity in asymmetric hydrogenation reactions of carbon-oxygen double bonds.

The invention provides a tetramine monomer for synthesis of hyperbranched polyimide, and is used for solving the problems that a conventional polyimide has relatively poor thermal stability, film formation performance and other thermal properties and mechanical properties; through introduction of carbonyl and an ether chain into the tetraamine monomer, an obtained polymer has good solubility, thermal performance and mechanical properties. In addition, due to long synthesis route and large difficulty of a new electric-activity monomer, the characteristic that the hyperbranched polymer has a large number of end groups is utilized, a ferrocene group with electrochemical activity is introduced, the tetraamine monomer is subjected to a reaction with dianhydride and (4-amino)phenyl ferrocene, and the hyperbranched polyimide having ferrocene terminated and having the electrical activity can be easily prepared; the polymer can be used as an electrical storage material to be applied in the field of information storage.

The invention discloses a preparation method of a ferrocenyl carbon nanotube composite material and application thereof and belongs to the technical field of synthesis of inorganic materials. The preparation method of the composite material comprises the following steps: firstly carrying out oxidization and amination on carbon nanotubes and carrying out acylation on ferrocenecarboxylic acid, then taking triethylamine as an acid-binding agent in a dichloromethane solvent, and enabling the carbon nanotubes subjected to amination to react with activated ferrocenylformyl chloride to prepare the composite material. The preparation method of the composit material is simple and is mild in reaction condition; the product is convenient to separate and purify and stable in structure. The composite material takes the carbon nanotubes with large specific surface area and high conductivity as support materials; ferrocenyl derivatives which can be used as electron media and provided with excellent electrochemical reversibility are covalently coupled on the surfaces of the carbon nanotubes, so that the composite material is excellent in effect of redox reaction for electrochemically catalyzing dopamine; the common interference matters including ascorbic acid and uric acid have no interference on detection of dopamine; the composite material is wide in linear response range and high in sensitivity and repeatability for detection of dopamine.

The invention discloses a ferrocenyl chiral poly schiff base salt / graphene composite wave absorbing material. Firstly, ferrocenyl chiral poly schiff base salt and graphene are combined as a wave absorbing medium, and then paraffin base is added into the wave absorbing medium to obtain the ferrocenyl chiral poly schiff base salt / graphene composite wave absorbing material. The mass ratio between the ferrocenyl chiral poly schiff base salt and the whole composite material is 1:4-5, the mass ratio between the graphene and the whole composite material is 1:10-20, and the mass ratio between the paraffin base and the whole composite material is 7:10. The composite wave absorbing material is easy to prepare, has the advantages of being light, thin in thickness, excellent in wave absorbing performance and the like, and has wide application prospects in the aspects of hiding, static electricity resistance, electromagnetic shielding and the like.

The invention provides a Michael addition product of ferrocene-based chalcone and ethyl acetoacetate and a preparation method thereof. The preparation method comprises the steps: adding A mol of ferrocene-based chalcone and B mol of ethyl acetoacetate into a dry reaction container, adding an alkaline substance as a catalyst, and grinding until the raw materials are subjected to complete reaction, wherein the ratio of A to B is 1:1; washing the product obtained from the reaction with water, carrying out suction filtration, recrystallizing the filter cake, and thus obtaining the Michael addition product of ferrocene-based chalcone and ethyl acetoacetate. The preparation method has the advantages of simple operation, short reaction time, mild reaction conditions, and low equipment requirements, the reaction is carried out only with grinding, at the same time, the catalyst is cheap and easy to get, the yield of the obtained product is up to 91.3% or more, the purity is high, and the preparation method is a green, simple and fast method for preparation of the Michael addition product of ferrocene-based chalcone and ethyl acetoacetate.

The invention discloses a ferrocenyl tetrazole metal complex and a preparation method thereof. The ferrocenyl tetrazole metal complex takes Mn<2+>, Co<2+>, Ni<2+>, Cu<2+>, Zn<2+>, Cd<2+> or Pb<2+> as a center metal ion and takes ferrocenyl tetrazole containing a ferrocenyl group and a high azacyclo-tetrazole group as a negative ion, a tetrazole group can improve energy level of a propellant during thermal decomposition, combustion catalysis effect of a ferrocenyl combustion rate catalyst can be improved by virtue of synergistic effect of the metal ion and the ferrocenyl groups, auxiliary ligands are introduced, so that thermal stability of the complex is improved, and combustion catalysis performance of the complex is regulated. The ferrocenyl tetrazole metal complex has good thermal stability, high formation heat and high combustion heat and can realize catalysis and contribute energy to a solid propellant when being used in the solid propellant. The ferrocenyl tetrazole metal complex is simple in preparation method, can be synthesized in the air atmosphere without heating, is low in synthesis cost and high in yield and can be applicable to industrialization application.

The invention provides methods for preparing a multistage hollow CoFe2O4 material and a composite thereof by using a coordination polymer. The methods comprise the specific synthesis steps as follows:firstly, preparing a multistage hollow ferrocenyl coordination polymer (Co-Fc-Hcps) from a cobalt salt and ferrocenyldicarboxylateby using a solvothermal method; preparing the multistage hollow CoFe2O4 material from the prepared Co-Fc-Hcps coordination polymer at an air atmosphere by using a high-temperature calcination method; and stirring the multistage hollow CoFe2O4 material and dopamine hydrochloride, and carrying out high-temperature calcination at a nitrogen atmosphere to obtain a CoFe2O4@C multistage hollow composite. The methods are simple, convenient and environment-friendly in reaction step and low in equipment requirement. Compared with an existing report, the CoFe2O4@C hollow spherical composite with a two-stage rodlike nanostructure has a wide application prospect on the aspects such as an application as a novel energy storage electrode material and a magnetic application.

The invention discloses ferrocene-based ultrathin metal organic framework nano-sheets and a preparation method thereof, wherein the ferrocene-based ultrathin metal organic framework nano-sheets are prepared from an organic ligand 1,1'-ferrocene dicarboxylic acid, a metal salt zirconium tetrachloride and a modulating agent acid. According to the present invention, the preparation method is simple,the obtained ferrocene-based ultrathin metal organic framework nano-sheets have characteristics of porous structure and stable chemical property, and the thickness and the horizontal size of the obtained ferrocene-based ultrathin metal organic framework nano-sheets can be adjusted through the reaction conditions.

The invention discloses a ferrocene group-containing aniline derivative polymer. The ferrocene group-containing aniline derivative polymer is a homopolymer shown in the formula (II) or a copolymer shown in the formula (III). The invention discloses a preparation method of the ferrocene group-containing aniline derivative polymer and a monomer which is used for preparation of the ferrocene group-containing aniline derivative polymer and is shown in the formula (I). The ferrocene group-containing aniline derivative polymer can be used as a lithium ion battery positive pole material.

The invention relates to a monoacyl ferrocene Schiff base aminocyclotriphosphazene and a synthesis method thereof. The structural formula of the compound is: the present invention makes the prepared monoacyl ferrocene Schiff base amino cyclotriphosphazene have the advantages of ferrocene group and cyclotriphosphazene matrix at the same time, and shows special performance. It has a wide range of application values ​​in chemistry, medicine, catalyst, lubrication and other fields. Compared with the prior art, the method for introducing the ferrocene group into the cyclotriphosphazene matrix of the present invention avoids highly active reagents such as butyllithium, can be operated at normal temperature, and has a simple, safe and low-cost method. features.

The invention discloses a ferrocene-based poly-Schiff base porous polymer, a porous polymer material, a preparation method and an application. The ferrocene-based poly-Schiff base porous polymer is obtained through a Schiff-base reaction of dialkyl acyl ferrocene compounds and triarylamine compounds or tetra-arylamine compounds. The pore sizes of the ferrocene-based poly-Schiff base porous polymer can be adjusted, and the ferrocene-based poly-Schiff base porous polymer material with high specific surface area, high pore volume and good chemical stability and heat stability is obtained through high-temperature vacuum activation, is widely applied to multiple fields such as gas adsorption and separation, photocatalysis, electrochemical energy storage, dye adsorption and decomposition and the like and particularly has good adsorption performance for CO2, CH4, H2, HCHO and other gas molecules. The preparation method is simple, convenient, feasible and suitable for industrial production.

The invention discloses a carbon nanotube grafted ferrocene polymer nano composite electrochemical sensing material inlaid with gold and a preparation method and an application thereof. The sensing material is composed of a carbon nanotube with excellent electrochemical property, gold nanoparticles and polyferrocene ethyl formyl methacrylate with redox response. The preparation process relates tomodification, complexing and esterification of the gold nanoparticles on the surface of the carbon nanotube and grafting of a ferrocenyl polymer to the surface of the carbon nanotube inlaid with goldthrough atom transfer radical polymerization. The sensing material can be used as an electrode modification material; an electrochemical sensing film which is excellent in electrochemical property, good in electrochemical sensitivity, reversibility, repeatability, wide linear range and low detection limit can be obtained by regulating the system composition and the grafting rate. The electrode modification material can be used for simple, quick, accurate, effective and reliable food safety detection.

The invention discloses a method for simultaneously detecting zearalenone (ZEN) and fumonisin B1 (FB1), and also discloses an aptamer sensor for simultaneously detecting the zearalenone and the fumonisin. The aptamer sensor is prepared by the following method: (1) covering a glassy carbon electrode with reducing molybdenum disulfide and a gold nanoparticle composite (rMoS2-Au) nanomaterial, and drying; (2) subsequently dripping a mixed solution of a zearalenone nucleic acid aptamer (AP1) and a fumonisin B1 nucleic acid aptamer (AP2) onto the electrode, incubating for 1-10h at 1-10 mu mol / L, v / v, 1 / 1, and blocking the same with 1 mg / mL QBSA; and (3) finally, dripping a mixed solution of a self-developed ZEN nucleic acid aptamer partial complementary sequence (CP1-Au-Thi) solution of 5'-endmodified gold nanoparticles and thionine and a FB1 nucleic acid aptamer partial complementary sequence (CP2-Au-FC6S) solution of 5'-end modified gold nanoparticles and ferrocenyl hexanethiol, and incubating for 1-10h at 1-10 mu mol / L, v / v, 1 / 1 to obtain the required aptamer sensor. The method provided by the invention is suitable for the rapid and simultaneous detection of QEN and FB1 in agricultural products such as corn and feed, thereby effectively preventing the agricultural products with over-standard QEN and FB1 from flowing into the market, and the diet safety of people is guaranteed asa result.

Provided is a preparation method of an amide keyed ferrocenyl nano-porous polymer. The preparation method comprises the steps that 5% to 15% of first construction unit, 10% to 20% of second construction unit and 75% to 90% of dispersion medium are added to a container in sequence, ultrasonic dispersion is carried out for 30 min under inert gas shielding, the container is filled with inert gas, the temperature is slowly raised to 150 DEG C within 2 h, and constant-temperature reacting is carried out for 72 h; after reacting is finished, filtering is carried out, and washing is carried out four times through chloroform, distilled water, methyl alcohol and acetone; Soxhlet extraction is carried out for 48 hr through methyl alcohol, and then a product is subjected to vacuum drying for 24 hr at the temperature of 70 DEG C. The ferrocenyl nano-porous high polymer material is prepared through the one-step method, the material has the large specific surface area and pore volume and good chemical stability and thermal stability, and the material has potential application on the aspects of adsorption, gas storage, sewage treatment, catalysis, gas separation and fluorescence sensing.

The invention discloses a ferrocenyl polymer and a porous material thereof, and preparation methods and application thereof. According to the invention, ferrocene and a trihalogenated compound or triacyl chloride are subjected to a Friedel-Craft reaction so as to obtain the ferrocenyl polymer; the ferrocenyl polymer is further activated so as to obtain the polymer porous material. The ferrocenyl polymer porous material has a high specific surface area, a great pore volume and a stable structure, is applied to a great number of fields like catalyst carriers, storage and capture of gas, deep treatment of metal ions and separation of harmful steam of aromatic compounds and shows good adsorptivity on gas molecules like CO2, H2, HCHO and benzene steam. The preparation methods for the polymer and the porous material thereof are simple, convenient and easily practicable and suitable for industrial production.

The invention discloses a ferrocenyl metal organic framework nanoparticle and a preparation method thereof. The ferrocenyl metal organic framework nanoparticle with the photo-thermal conversion effect and the Fenton effect is prepared from copper chloride dihydrate, 1,1'-ferrocenedicarboxylic acid and polyvinylpyrrolidone. The average particle size of the ferrocenyl metal organic framework nanoparticle is 100-260 nm; the preparation method is simple; and the ferrocenyl metal organic framework nanoparticle has good stability and biocompatibility. Under laser irradiation, the ferrocenyl metal organic framework nanoparticle has good photo-thermal conversion efficiency and photo-thermal stability; under a weak acidic condition, Fenton or Fenton-like reaction can be carried out to generate hydroxyl free radicals; and the ferrocenyl metal organic framework nanoparticle has a wide application prospect when being applied to photothermal therapy and chemokinetic therapy of tumours.

A preparing method for porous Fe-Si-C ceramic micro balls comprises the following steps that firstly, poly-ferrocenylsilanes is dissolved in an organic solvent and stirred, deionized water and a surface active agent are added or not added, stirring is carried out, and a component a is obtained; secondly, gelatin or polyving akohol are dissolved in the deionized water, stirring is carried out, and a component b is obtained; thirdly, the component a is dripped in the component b to continue to be stirred, the mixture stands still, the upper layer emulsion is poured, the deionized water is added for dilution, filtering is carried out, micro balls are collected and cleaned, finally, vacuum drying is carried out, and polymeric micro balls are obtained; fourthly, the polymeric micro balls obtained in the third step are sintered and split in a tubular stove, and the porous Fe-Si-C ceramic micro balls are obtained. The preparing method is simple and convenient to implement, the shape of the obtained porous Fe-Si-C ceramic micro balls is regular, a multi-level pore structure is arranged inside, a large number of nanometer Fe particles with the catalysis function are evenly distributed, and the porous Fe-Si-C ceramic micro balls have very good application prospects in the catalyst carrier field.

The invention discloses a palladium-loaded ferrocene-based ultrathin metal organic frame nanometer sheet and a preparation method thereof. The palladium-loaded ferrocene-based ultrathin metal organicframe nanometer sheet is formed by loading a ferrocene-based ultrathin metal organic frame nanometer sheet with palladium; the ferrocene-based ultrathin metal organic frame nanometer sheet is preparedfrom an organic ligand 1,1'-ferrocene diformic acid, metal salt zirconium tetrachloride and modulator acid; the ferrocene-based ultrathin metal organic frame nanometer sheet and water are added intoa reaction container, and ultrathin metal organic frame nanometer sheet dispersing liquid is obtained ultrasonically; and a precursor of the palladium is added into the ultrathin metal organic frame nanometer sheet dispersing liquid, and a reaction is conducted for a period of time at a certain temperature to obtain the palladium-loaded ferrocene-based ultrathin metal organic frame nanometer sheet. The preparation method is simple, green and environmentally-friendly; and the obtained palladium-loaded ferrocene-based ultrathin metal organic frame nanometer sheet has a porous structure, stable chemical properties and important application prospects in the field of heterogeneous catalysis.

The invention discloses an aluminum and chromium ion multi-channel response probe and a synthesis method and application thereof. The probe molecule is a 2-ferrocenylimidazole-4, 5-diheteroaryl derivative. The unique whole structure of the probe molecule can selectively bind to Al<3+> and Cr<3+> ions. Ferrocene is used as an electrical signal response center and imidazole and aromatic heterocycleare used as electrical signal response centers. Through change of fluorescence, electrochemistry and colorimetry, the probe responds to identify Al<3+> and Cr<3+> ions. The probe molecule integrates the advantages of the fluorescent probe and the electrochemical probe, realizes multi-channel and high selectivity detection of Al<3+> and Cr<3+> ions and has an Al<3+> detection lower limit of 2.21*10<-6>-3.06*10<-5>M and a Cr<3+> detection lower limit of 4.54*10<-5>-2.40*10<-5>M. The probe has a stable structure and has wide application prospects. The synthesis and use methods are simple.

The invention discloses a compound of a metal organic framework material and a two-dimensional material as well as preparation and application of the compound. The compound is mainly formed by loading the ferrocene-based metal organic framework material on graphite phase carbon nitride with a two-dimensional sheet structure, wherein the ferrocene-based metal organic framework material is formed by compounding a ferrocene-modified metal organic framework material. The preparation of the compound comprises the following steps: weighing raw materials, ultrasonically dispersing the raw materials in a solvent, performing normal-temperature ultrasonic treatment to obtain a uniform dispersion liquid, adding a polyethylene glycol solution, carrying out mixing, and conducting stirring to obtain a uniform dispersion liquid; and adding the uniform dispersion liquid into a lining of a reaction kettle, conducting sealing, and performing reacting at 100 DEG C to obtain a composite material. The composite material formed by loading the ferrocene-modified metal organic framework on the graphite phase carbon nitride effectively prevents the agglomeration phenomenon of nanoparticles of the metal organic framework material, improves the transmission efficiency of photon-generated carriers, and has good sewage treatment performance.

The invention discloses a preparation method and application of a ferrocyclamine compound sensing material. The method is to prepare a water-soluble ferrocyclamine compound by the ring-closure reaction of ferrocenecarboxaldehyde and 1,2-di(aminoethoxy)ethane. The ferrocyclamine compound can be used as a sensing material for identifying anions by an electrochemical cyclic voltammetry method and has high sensitivity to H2PO4<->, HSO4<-> and F<->.

The present invention provides a dye composition suitable for forming an information recording layer for carrying out recording and readout with laser beams, which includes at least one compound of formula (I): where n is selected from the group consisting of integer 0˜3; B represents boron; O represents oxygen; X1 and X2 are individually selected from the group consisting of oxygen and fluorine; Y is selected from the group consisting of alkoxyl, alkoxycarbonyl, phenylcyclo having substituent, phenylcyclo having non-substituent, a heterocyclic structure having boron, nitrogen, oxygen, sulfur and selenium (which is composed of Y and Z); Z is selected from the group consisting of hydrogen, alkoxyl, cyanogen radical, the heterocyclic structure having boron, nitrogen, oxygen, sulfur and selenium (which is composed of Y and Z); R is selected from the group consisting of alkoxyl, amino, phenylcyclo having substituent, phenylcyclo having non-substituent, ferrocenyl, a heterocyclic structure having boron, nitrogen, oxygen, sulfur and selenium. The dye composition has strong absorbance (ε≧104 cm2 / mole) for the ultraviolet light and the visible light region, it is therefore that the dye composition is suitable for forming an information recording layer of the optical recording medium. Further, the dye composition is also suitable for FMD-ROM / FMD-R because of the high fluorescent quantum efficiency.

A diazaphosphacycle may be synthesized by reacting a phosphine with a diimine and optionally one or more equivalents of an acid halide, a sulfonyl halide, a phosphoryl halide, or an acid anhydride in the substantial absence of O2 to form the diazaphosphacycle. The phosphine has the formula R1—PH2 where R1 is a substituted or unsubstituted aryl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted cycloalkyl group, or a substituted or unsubstituted ferrocenyl group.

A superior adsorption method for immobilizing nucleic acid probe on the surface of a solid phase substrate is provided. A nucleic acid immobilization method for immobilizing nucleic acid on a solid phase substrate comprising: bringing the above-mentioned solid phase substrate into contact with a composition comprising a total concentration of 0.1 to 2 mu M of a nucleic acid as a probe and a compound or a salt thereof, the compound being represented by the following formula: HS-L<1>-L<2>-R wherein L<1> is a single bond or a C1-15 alkylene group; L<2> is a single bond, nucleic acid, a polyethylene glycol group, -CO-NH-, or -NH-CO-; R is a hydroxyl group, an amino group, a ferrocenyl group, or a carboxyl group; provided that neither L<1> nor L<2> is a single bond, and incubating the composition in contact with a surface of the solid phase substrate.

A diazaphosphacycle may be synthesized by reacting a phosphine with a diimine and optionally one or more equivalents of an acid halide, a sulfonyl halide, a phosphoryl halide, or an acid anhydride in the substantial absence of O2 to form the diazaphosphacycle. The phosphine has the formula R1—PH2 where R1 is a substituted or unsubstituted aryl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted cycloalkyl group, or a substituted or unsubstituted ferrocenyl group.

The invention discloses a ferrocenyl benzoxazine-containing monomer or precursor and its preparation method as well as a ferrocenyl benzoxazine-containing resin prepared by thermal curing of the monomer or precursor. The preparation method provided by the invention comprises the following steps of: mixing and dissolving 1-400 wt% of reactants and organic solvents in a reactor while the temperature is controlled within 40-130 DEG C and the reaction lasts for 0.5-24 hours; washing a purification product by the use of an alkaline solution at the concentration of 0.01mol / L-5mol / L, washing the product to neutral by the use of pure water, removing the organic solvents, and drying to prepare the ferrocenyl benzoxazine-containing monomer or precursor. The ferrocenyl benzoxazine-containing resin is obtained by the heating, ring-opening and curing molding of the monomer or precursor. The monomer or precursor has low curing temperature, has a self-catalysis curing function, is widely applied, and can undergo crossing and curing under the heating condition without a catalyst and with no release of micromolecules. The cured ferrocenyl benzoxazine-containing resin has high temperature resistance and electromagnetic properties, and has an application prospect in the aspects of high temperature ceramics, electrochemical induction, high dielectric materials, magnetic ceramic body and the like.

The invention relates to a synthesis method of a Fe-Si-C ceramic precursor, which comprises the following steps: (1) vacuumizing the system, replacing with inert gas to normal pressure, taking ferrocene lithium salt, and adding an anhydrous organic solvent to obtain a component a; (2) dissolving a bifunctional halogen-group-containing organosilane compound in an anhydrous organic solvent, and adding the component a to react, thereby obtaining a component b; (3) dissolving a trifunctional halogen-group-containing organosilane compound in an anhydrous organic solvent, and adding the component b to react, thereby obtaining a component c; (4) adding a protonic solvent into the component c to terminate the reaction, filtering, concentrating the filtrate, dropwisely adding the concentrated filtrate into a protonic solvent, filtering, collecting the filter residue, cleaning, and carrying out vacuum drying to obtain the highly-branched polyferrocenyl silane which is the Fe-Si-C ceramic precursor. The Fe-Si-C ceramic precursor prepared by the method has the advantages of controllable molecular composition and structure, high yield, favorable solubility and high ceramic yield, and can be used as an ideal ceramic precursor.

The invention discloses preparation for 1,2,4-triazolo[1,5-a]pyrimidine-2-ethyl thioether disubstituted derivative with a general formula (1) and application thereof. In the formula, Ar is ferrocenyl, triphenylamine, N-hexyl carbazyl, 6-bromine-N-hexyl carbazyl or 4-(N,N-bis p-bromine diphenyl)aminophenyl. The compound has good solubility and thermal stability, can be used as a green or red photoluminescent and electroluminescent material, and can be applied to a flat-panel display.

The invention relates to diene-butyl ferrocene and a preparation method thereof. The preparation method comprises the steps of taking ferrocene dialdehyde as a raw material, and dropping an allyl Grignard reagent in an ice-water bath to obtain 1, 1'-bis (1-hydroxy-3-butenyl) ferrocene; further performing reflux on the compound in an acetic acid / methanol solution, and reacting to obtain 1, 1'-bis (1-methoxy-3-butenyl). The diene-butyl symmetrical substituted ferrocene is an important synthesis intermediate, and double bonds further endow the compound with the capability of participating in polymerization reaction, so that the diene-butyl ferrocene is a novel ferrocene-based monomer.

The present invention discloses a new ferrocene-based energetic polymer shown as a general formula (I) with high catalytic efficiency, low mobility and good safety. Energetic unit 5,5'-bis-triazole, 3,5-diamino-1,2,4-triazole or 3,4-diaminofurazan is introduced into ferrocene. While improving of the catalytic efficiency of combustion, a ferrocene unit is locked in the polymer to solve the problemof easy migration. The ferrocene-based energetic polymer can be used as a rocket combustion catalyst. The general formula (I) is as shown in the specification, wherein n=2-10.