140 results about "Sulfonyl fluoride" patented technology

The application provides a preparation method of sodium bisfluorosulfonimide, which comprises the following steps: (1) sulfuryl fluoride and hexamethylsilazane are reacted in an inert atmosphere to obtain a crude product, and the crude product is subjected to gas phase separation to obtain bisfluorosulfonimide; (2) the bisfluorosulfonimide obtained in the step (1) is reacted with sodium fluoride to obtain the sodium bisfluorosulfonimide. The sulfuryl fluoride and the hexamethylsilazane are used as raw materials to prepare the bisfluorosulfonimide by one-step method, the cost is reduced, and the production safety is improved, then the sodium bisfluorosulfonimide is prepared by ion exchange reaction of the bisfluorosulfonimide and sodium fluoride, the three wastes and solvent use are reduced, the impurities are reduced, and the production safety and product quality are improved.

The invention relates to the technical field of chemical synthesis, and discloses a preparation method of anhydrous N, N-dimethyl amino sulfuryl fluoride, which comprises the following steps: (1) introducing sulfuryl fluoride gas into a dimethylamine organic solution to carry out nucleophilic substitution reaction, and then adding triethylamine to obtain a mixed solution containing N, N-dimethyl amino sulfuryl fluoride; and (2) sequentially carrying out normal-pressure rectification and reduced-pressure rectification on the mixed solution containing the N, N-dimethyl amino sulfonyl fluoride to obtain the N, N-dimethyl amino sulfonyl fluoride. According to the method, water is not introduced in the whole process, the risk of water residue is avoided, and the prepared product is high in yield and purity.

The invention relates to the technical field of preparation of polyurethane plastic materials, in particular to an environment-friendly high-elasticity foaming material as well as a preparation method and application thereof. The preparation method of the foaming material comprises the following steps: perfluorooctyl sulfonyl fluoride and diaminopropyl polydimethylsiloxane are subjected to a reaction, and fluorine-containing polydimethylsiloxane is obtained; the preparation method comprises the following steps: reacting 3-(3, 5-di-tert-butyl-4-hydroxyphenyl) propanohydrazide with terephthalic diisothiocyanate to obtain isothiocyanate modified hindered phenol; the isothiocyanate modified hindered phenol reacts with primary amine at the terminal position of a fluorine-containing polydimethylsiloxane molecule through an isothiocyanate group to obtain an intermediate, and the intermediate is subjected to a desulfurization reaction to obtain a modifier; the preparation method comprises the following steps: reacting diisocyanate with polyether polyol, polyester polyol and natural polyol to obtain a component A, and stirring and mixing polyether polyol, a bio-based chain extender, a modifier, a catalyst and a foaming agent to obtain a component B; stirring and mixing the component A and the component B, and foaming to obtain the environment-friendly high-elasticity foaming material.

The invention provides perfluorosulfonic acid resin and a polymerization method. The polymerization method comprises the following steps: mixing perfluoromethyl vinyl ether, perfluorosulfonyl fluoride vinyl ether and a fluorine-containing solvent to obtain a mixed solution; and adding an initiator into the mixed solution, introducing a tetrafluoroethylene monomer, carrying out a copolymerization reaction, carrying out solid-liquid separation, and carrying out transformation and drying to obtain the perfluorinated sulfonic acid resin. The perfluoromethyl vinyl ether monomer is introduced into a copolymerization system, so that the rigidity of a polymer main chain is effectively reduced, and the flexibility and low-temperature mechanical strength of the resin are enhanced; the crystallinity is effectively reduced, the Tg is adjusted, and the catalyst is suitable for low-temperature proton exchange membrane fuel cells and other application scenes; the introduction of perfluoromethyl vinyl ether improves the compatibility between the main chain and the sulfonyl fluoride-containing side chain, and is beneficial to the formation of a clearer and more continuous hydrophilic / hydrophobic microphase separation structure. A stable proton conduction network is facilitated, and the electrochemical performance of the resin under harsh working conditions is remarkably improved.

The invention discloses a preparation method of bis (trifluoromethylsulfonyl) imide salt, and belongs to the technical field of metal ion battery electrolyte materials, and the preparation method comprises the following steps: mixing trifluoromethylsulfonyl fluoride and organic amine alkali to obtain a mixed solution A; dropwise adding the mixed solution A into a reaction kettle filled with ammonia gas, and completely reacting to generate bis (trifluoromethanesulfonyl) imide quaternary ammonium salt; carrying out reduced pressure distillation on the reaction product to obtain pure bis (trifluoromethanesulfonyl) imide quaternary ammonium salt; the preparation method comprises the following steps: mixing bis (trifluoromethylsulfonyl) imide triethylamine salt and metal salt according to a molar ratio of 1: (1-3), and completely reacting in an organic solvent to generate bis (trifluoromethylsulfonyl) imide salt; and filtering the reaction liquid, and carrying out reduced pressure distillation to obtain the final product bis (trifluoromethylsulfonyl) imide salt. The preparation method provided by the invention has the characteristics of simple process, high yield and high product purity, and solves the problems of complex process, low yield, low product purity and the like in the existing preparation method.

The application belongs to the field of fine chemical industry and environmental protection, and particularly relates to a method for preparing metal triflate by using high gravity reaction. The method comprises the following steps: 1, using trifluoromethylsulfonyl chloride and anhydrous HF gas as raw materials to generate trifluoromethylsulfonyl fluoride gas; 2, performing gas-liquid contact reaction of the trifluoromethylsulfonyl fluoride gas with an alkali metal solution to obtain a mixed solution; 3, performing solid-liquid separation on the mixed solution by using a filter press, and the liquid phase is a triflate salt solution; 4, drying the triflate salt solution by using a spray dryer to obtain a solid-phase product triflate salt. The method uses trifluoromethylsulfonyl chloride and anhydrous HF as raw materials to replace triflic acid in the traditional method, and utilizes high gravity reaction, so that the production cost is greatly reduced. The process is simple, the obtained product triflate metal salt has low impurity content, is superior to the industry standard, the process is zero emission, and has good economic value and social value.

The application discloses a preparation method of a nitrogen-containing heterocyclic compound and an alkali metal salt of the nitrogen-containing heterocyclic compound, and steps of the preparation method of the nitrogen-containing heterocyclic compound comprise: (1) uniformly mixing trithiocyanic acid with a first solvent, introducing sulfuryl fluoride gas or adding an alkenyl sulfonyl fluoride to perform a reaction, and obtaining a crude product through a crude treatment after the reaction is finished; (2) purifying the crude product to obtain the nitrogen-containing heterocyclic compound shown in a structural formula 1; wherein R1, R2 and R3 are each independently selected from -H, -SO2F or -CH2-(CH2) n -SO2F, n is an integer selected from 1-10, and R1, R2 and R3 are not H at the same time. The preparation method of the nitrogen-containing heterocyclic compound and the alkali metal salt of the nitrogen-containing heterocyclic compound can be applied to a large amount of trithiocyanic acid in a lithium battery electrolyte, raw materials are easy to obtain, operation is simple, the yield is high, the condition is mild, the requirement for equipment is low, and the method is suitable for industrial production.

This application relates to the field of synthesis technology of lithium-ion battery electrolyte additives, specifically to a synthesis process of 1,3-propanedisulfonyl fluoride. The synthesis process includes the following steps: S1. Adding 1,3-propanedisulfonyl chloride and potassium fluoride to a reaction vessel; S2. Adding distilled water as a reaction solvent to the reaction vessel and refluxing under stirring; S3. After the reaction solution has settled and separated into layers, separating and collecting the oil phase, adding toluene and activated carbon to the oil phase, and refluxing for decolorization; S4. Performing a first crystallization treatment on the decolorized solution, followed by filtration, and washing the filter cake obtained from the filtration; S5. Collecting the filtrate obtained after the first washing and performing a second crystallization treatment, followed by filtration again; S6. Vacuum drying the filter cake obtained in steps S4 and S5 to obtain 1,3-propanedisulfonyl fluoride. This application features mild reaction conditions, simple operation, low cost, and environmental friendliness.

The invention discloses a diaminomaleonitrile derivative, a non-aqueous electrolyte thereof and a sodium ion battery. The structural formula of the diaminomaleonitrile derivative disclosed by the invention is shown as a formula I, and R1, R2, R3 and R4 are respectively and independently selected from one of-SO2F and-CH2CH2SO2F. The diaminomaleonitrile derivative has cyano (-CN), sulfonyl fluoride (-SO2F) and carbon-carbon double-bond functional groups, the functional groups have a synergistic effect, a stable CEI film can be formed on a positive electrode, the contained sulfonyl fluoride group can adjust charge distribution while enhancing the oxidation resistance of molecules, the functions of optimizing an ion transmission path and the like are achieved, and the service life of the battery is prolonged. Therefore, the high-voltage resistance of the battery is improved. Formula 1.

The invention discloses a multi-component preparation method of an N-sulfonyl fluoride compound, and relates to the field of organic synthesis. The preparation method comprises the following steps: reacting an amine compound with a chlorine source in a solvent to generate an intermediate, then continuously adding a sulfur dioxide source and a fluorine source for reaction, and purifying after one-pot reaction to obtain the N-sulfonyl fluoride compound, the structural general formula of the amine compound is shown in the specification, the structural general formula of the N-sulfonyl fluoride compound is shown in the specification. The reaction general formula is shown in the specification. The method has the advantages of cheap and easily available raw materials, simple operation, mild conditions, safety, environmental protection, short reaction time, good yield and wide substrate range, can be applied to various types of amine substrates, including primary (alkyl / aromatic) amine, secondary (alkyl / aromatic) amine, amide, nitrogen-containing heteroaromatic ring and the like, and has wide application prospects. Wide application prospects are realized in the fields of medicinal chemistry, synthetic chemistry, material science and the like.

The invention provides a synthesis method of a negative charge highly delocalized sulfonyl imide alkali metal salt {[(R3SO2) (R2 (R1SO2N) SO) N] M), M = Li, Na, K, Rb or Cs}. The synthesis method comprises the following steps: carrying out oxidation and fluorination reaction on alkyl (S-alkyl sulfonyl imide) potassium sulfinate (or rubidium or cesium) and an N-fluorine electrophilic reagent to synthesize alkyl (S-alkyl sulfonyl imide) sulfonyl fluoride with the yield of 70-90%; the obtained alkyl (S-alkyl sulfimide) sulfonyl fluoride and sulfamide containing substituent R3 or alkali metal salt thereof are subjected to nucleophilic substitution reaction, the product is purified to obtain the high-purity negative-charge highly-delocalized sulfimide alkali metal salt, and the method has the characteristics that the operation is simple, the raw materials are low in price, the product is easy to separate and purify, the method is suitable for industrial mass production, and the like; and the prepared negative charge highly delocalized sulfimide alkali metal salt is high in chemical stability and good in solubility, and is a preferable electrolyte material for realizing high-specific-energy power and energy storage batteries.

The invention belongs to the technical field of synthesis of bis (fluorosulfonyl) imide, and discloses a method for synthesizing bis (fluorosulfonyl) imide by using sulfuryl fluoride chloride, which comprises the following steps: 1) adding amino sulfuryl fluoride into sulfuryl fluoride chloride for reaction at a reaction temperature; and 2) after the reaction is finished, removing the solvent and unreacted raw materials in the synthetic liquid, and rectifying to obtain the bis (fluorosulfonyl) imide. The byproduct sulfuryl fluoride chloride in the sulfuryl fluoride industry is used as a raw material, the method has the advantages of low cost and high added value, the method is simple to operate, mild in reaction condition and high in conversion rate and yield, and the prepared imidodisulfuryl fluoride is high in purity, good in quality and suitable for large-scale industrial production of imidodisulfuryl fluoride.

The invention discloses a preparation method of an N-hydroxyurea compound, which specifically comprises the following steps: step 1, sequentially carrying out Lossen rearrangement and nucleophilic reaction under the action of alkali by taking Boc NHOH as shown in a formula 1 as an initial reactant, SO2F2 gas as an acylating agent and an amine compound RR 'NH as a nucleophilic reagent to obtain a tert-butoxyurea compound as shown in a formula 2; and 2, removing the tert-butoxy group from the tert-butoxyurea compound to obtain the N-hydroxyurea compound as shown in a formula 3. The innovation point of the invention is that commercialized easily available gas sulfonyl fluoride promotes Lossen rearrangement of tert-butylhydroxylamine to generate a key intermediate tert-butoxy isocyanate, the key intermediate tert-butoxy isocyanate and a substrate amine compound are subjected to a one-pot reaction to obtain the N-hydroxyurea compound, the reaction conditions are simple, the operation is convenient, the compatibility of substrate functional groups is strong, and the application prospect is good.

This application provides a perfluoro-4-butoxy-1-butylsulfonyl fluoride, its preparation method, and its application, relating to the field of chemical synthesis technology. The preparation method of the perfluoro-4-butoxy-1-butylsulfonyl fluoride according to this application includes the following steps: adding butoxybutylsulfonyl fluoride and functional additives to an electrolytic cell containing anhydrous hydrogen fluoride for an electrolytic reaction. The functional additives include alkali metal fluorides, thiols, and perfluorobutylsulfonyl fluoride, wherein the carbon chain length of the thiols is C2~C6. The preparation method of perfluoro-4-butoxy-1-butylsulfonyl fluoride can improve the yield of the target product.

The present invention relates to a method for preparing a perfluorosulfonic acid resin, comprising the following steps: S1, adding a fluorinated solvent and a sulfonyl vinyl ether monomer to a reaction vessel to obtain a mixed solution; S2, heating the mixture to a reaction temperature, introducing tetrafluoroethylene into the mixed solution until the reaction pressure is reached, and then adding an initiator to the mixed solution to carry out a polymerization reaction; the initiator is a perfluorooxaalkanesulfonyl fluoride peroxide; S3, maintaining the pressure within the reaction pressure range until the reaction is completed to obtain a solid-liquid mixture, separating the solid polymer from the liquid in the solid-liquid mixture, and then washing, transforming, and drying the solid polymer to obtain a perfluorosulfonic acid resin. The present invention has the advantages of high adjustability, high durability of the obtained perfluorosulfonic acid resin, good process reproducibility, no need for complex cleaning such as coagulation, and no need for fluorine gas for end group treatment.

The invention relates to an internal sulfonamide compound and a preparation method thereof. The invention relates to a preparation method of a sulfamide compound, which comprises the following steps: mixing an aminomalonic acid diethyl ester compound or an N-benzyl malonic acid monomethyl ester monoamide compound, a beta-aryl vinyl sulfonyl fluoride compound and MS, adding a solvent and a base catalyst, reacting at room temperature for 12-24 hours, separating and purifying to obtain the amide compound. The sulfamide compound and the preparation method thereof have the advantages of being simple in method, free of transition metal catalysis, wide in substrate range, mild in reaction condition, good in universality and the like.

The present invention addresses the problem of providing an electrolyte solution for a lithium metal secondary battery, which, when using 1, 2-dimethoxyethane (DME) as a solvent, is capable of simultaneously suppressing an increase in the resistance of the lithium metal secondary battery, suppressing the generation of gas, and suppressing an increase in the thickness of the negative electrode. The present invention is an electrolyte solution for a lithium metal secondary battery, the electrolyte solution comprising an electrolyte salt, an organic solvent, and a first additive, the electrolyte salt comprising lithium bis (fluorosulfonyl) imide (LiFSI), the organic solvent comprising 1, 2-dimethoxyethane (DME), the first additive being N, N-dimethyltrifluoromethanesulfonamide (DMTMSA), or N, N-dimethylformamide (DMTMSA), and the electrolyte solution comprising lithium bis (fluorosulfonyl) imide (LiFSI), the organic solvent comprising 1, 2-dimethoxyethane (DME), and the second additive comprising N, N-dimethyltrifluoromethanesulfonamide (DMTMSA), or N, N-dimethyltrifluoromethanesulfonamide (DMTMSA). The electrolyte solution for a lithium metal secondary battery contains at least one of N, N-dimethylaminosulfonyl fluoride (DMSF), and the first additive is contained in an amount of 0.2 parts by mass or more when the total mass of the electrolyte salt and the organic solvent is taken as 100 parts by mass.

The application provides an electrolyte and a battery comprising the electrolyte, the electrolyte comprising an organic solvent, an electrolyte salt and a functional additive, wherein the functional additive comprises a first additive and a second additive, the first additive is selected from a sulfonyl fluoride compound, and the second additive is selected from 3,3',3'',3'''-(ethane-1,1,2,2-tetraalkyltetra(oxy))tetrapropionitrile. There is a synergistic effect between the first additive and the second additive in the electrolyte, and the two can jointly generate a stable CEI film on the surface of the positive active material in the charging and discharging process.

This invention relates to an alkyl sulfonyl fluoride resin, its preparation method, and its applications. The structural formula of the alkyl sulfonyl fluoride resin is shown below: where n1 is 1~10000; n2 = 0~2. The preparation method includes: mixing compound 1 as shown in Formula I with a nitrite reagent and boron trifluoride diethyl ether and performing a diazotization reaction to obtain compound 2 as shown in Formula II; and then performing a fluorination reaction of compound 2 with a sulfur source, a fluorine source or a fluorosulfonylating reagent and an acid under the action of a catalyst to obtain the resin. Compared with the prior art, the preparation method of this invention is simple, the raw materials are readily available, and the prepared sulfonyl fluoride resin has high reactivity and good stability, and can be used as a high-efficiency matrix resin for the preparation of novel functional resins.

The invention discloses a preparation method of a benzylsulfonyl fluoride compound, which comprises the following steps: taking benzylthiocyanate as a substrate, in a solvent, taking benzylthiocyanate shown as a formula (1) as a substrate, reacting under the action of an additive, an F source and a gas atmosphere, and obtaining the benzylsulfonyl fluoride compound shown as a formula (2) after the reaction is finished, in the formulas (1) and (2), R is selected from one or more of H, alkyl, aryl, halogen, cyano, nitryl, alkoxy, acyl and amido. According to the method disclosed by the invention, the target product can be synthesized by only 4-8 hours, so that the target product can be obtained with relatively high yield, and the method is relatively rapid and efficient. According to the synthesis method disclosed by the invention, the benzyl sulfuryl fluoride compound is synthesized from simple and easily available benzyl thiocyanate under relatively simple conditions, and the fluorine-containing building block compound which is widely applied to the fields of medicines, pesticides and petrochemical engineering is realized.

The invention relates to a preparation method of trifluoromethanesulfonamide, which comprises the following steps: S1, introducing a refrigerant into a reactor to reduce the temperature of the reactor to 0 DEG C or below, introducing raw material ammonia water and a phase transfer catalyst into the reactor, introducing trifluoromethanesulfonyl fluoride into the ammonia water, and carrying out phase transfer reaction to obtain trifluoromethanesulfonamide; reacting trifluoromethanesulfonyl fluoride with excessive ammonia water to generate trifluoromethanesulfonamide ammonium salt and ammonium fluoride by-products; s2, raising the temperature to room temperature, discharging excessive ammonia gas, and adding acid into the reaction liquid to adjust the pH value to 2-3; and S3, extracting the reaction liquid by using an extracting agent, and combining and concentrating organic phases to obtain a trifluoromethanesulfonamide crude product. The method has the characteristics that the process is environment-friendly and simple, three wastes are easy to separate and recover, raw materials are cheap and easy to obtain, the reaction process is simple, no waste gas pollution is generated even if nitrogen protection is needed, the operation is easy, and the method is suitable for industrial production.

The application relates to the field of organic matter separation, and discloses a method for separating and purifying perfluoro (4-methyl-3,6-dioxa-7-octene) sulfonyl fluoride. The method comprises the following steps: (1) performing silica gel column chromatography on perfluoro (4-methyl-3,6-dioxa-7-octene) sulfonyl fluoride crude product in the presence of an external magnetic field; and (2) performing low-temperature desolubilization on the solution obtained by elution of the silica gel column chromatography; and the magnetic induction intensity of the external magnetic field is 0.5-2 T. The method utilizes the external magnetic field and the silica gel column chromatography to purify and separate the perfluoro (4-methyl-3,6-dioxa-7-octene) sulfonyl fluoride crude product, further improves the purity of the perfluoro (4-methyl-3,6-dioxa-7-octene) sulfonyl fluoride obtained by purification, and can also reduce the energy consumption of the purification and separation, greatly improving the product quality.

The invention belongs to the field of organic synthesis, and particularly relates to a synthesis method of terminal alkyne. The method comprises the following steps: mixing a 2-methylpyridine compound as shown in a formula 1 and N, N-dimethylformamide as shown in a formula 2 with an organic solvent (cyclopentyl methyl ether or tetrahydrofuran) in the presence of lithium bis (trimethylsilyl) amide, cesium fluoride, perfluorobutyl sulfonyl fluoride and 1, 8-diazabicyclo [5.4. 0] undec-7-ene, and reacting to synthesize the terminal alkyne as shown in a formula 3. The raw materials adopted by the invention are common chemicals in the market. The method is wide in application range, common terminal alkyne compounds can be synthesized, reaction substrates can be adjusted according to needs, and a series of terminal alkyne derivatives can be synthesized. Certain support is provided for research in the fields of medicine, material science and the like. The invention provides biological activity of an iso-terminal alkyne compound on oomycetes plant pathogens and a determination method of the iso-terminal alkyne compound.

The invention discloses a method for preparing optically active 2-fluoropropionate. The method comprises the following steps: step 1, preparing nitrobenzenesulfonyl fluoride; step 2, synthesizing 2-fluoropropionate with optical activity; the raw material nitrobenzenesulfonyl chloride can be conveniently prepared through a sulfonation reaction of substituted aromatic hydrocarbon, potassium fluoride, (S)-(-)-lactate and the like are commercialized bulk chemicals, the purchase channel is wide, the price is low, and the industrial production cost is remarkably reduced. According to the method, the use of a dangerous fluorinating reagent HF is avoided, and the reaction solvent can be recycled and reused; the water phase generated in the reaction in the first step can be recycled after potassium fluoride is supplemented, and the nitrobenzene sulfonate byproduct generated in the reaction in the second step can be recycled for preparing nitrobenzene sulfonyl chloride, so that the resource circulation is realized, and the emission of three wastes is greatly reduced.

This invention belongs to the field of vegetable molecular biology technology, specifically relating to a method and kit for extracting heat shock nucleoproteins from protoplasts of leafy vegetables. The kit provided by this invention includes reagents A1, A2, B1, B2, B3, B4, and C; reagent A1 contains dissociative enzymes, cellulase, etc.; reagent A2 is a cell preservation and cell processing buffer; reagent B1 contains ethylenediaminetetraacetic acid, benzyl sulfonyl fluoride, etc.; reagent B2 contains Triton X-100, etc.; reagent B3 contains Glycerol, etc.; reagent B4 is a cell nucleus preservation solution; and reagent C is a cell nucleus lysis buffer. This kit enables precise extraction of heat shock nucleoproteins at the cellular level, yielding high-quality heat shock nucleoproteins and providing technical support for studying the expression and regulation of nuclear proteins in leafy vegetable cells.

The invention discloses a perfluorosulfonyl imide type proton exchange resin with a coupled multi-active center, which is obtained by grafting phosphonated polyhedral oligomeric silsesquioxane (POSS) on perfluorosulfonamide, and the specific preparation process is as follows: perfluorosulfonyl fluoride and ammonia gas react to generate perfluorosulfonamide; carrying out substitution reaction on the phosphonated POSS and triethyl phosphite to obtain an intermediate product; and carrying out Michael addition reaction on the intermediate product and perfluorosulfonylamino, and acidifying to obtain the target product. According to the perfluorosulfonyl imide type proton exchange resin with the coupled multi-element active center, the glass-transition temperature of a proton exchange membrane can be increased; meanwhile, the sulfonyl imide and the phosphonic acid group cooperatively construct a multiple proton transmission path and have rapid proton conduction capability, so that the proton exchange membrane can ensure rapid proton transmission even at a high temperature, the conductivity of the proton exchange membrane is improved, and the problem that a perfluorosulfonic acid proton exchange membrane in the prior art is relatively poor in performance under a high-temperature working condition is solved.

The application relates to the field of secondary batteries, and provides a battery monomer, a preparation method of the battery monomer, a battery device and an energy storage device. In the battery monomer, an electrolyte comprises a cyanopyridine additive, a sulfonyl fluoride additive and an amine additive, at least the initial efficiency of the battery monomer can be improved, and the capacity attenuation and internal resistance increase of the battery monomer can be well inhibited, so that the use performance of the battery monomer is improved.

The invention provides an allyl sulfonyl fluoride compound and application thereof in killing pine wood nematodes, and belongs to the field of forestry plant protection. The allylsulfonyl fluoride compound is subjected to pine wood nematode killing activity test and nematode killing toxicity determination, and the biological activity test result shows that the allylsulfonyl fluoride compound has good nematode killing activity, can efficiently kill pine wood nematodes, has a good prevention and treatment effect on pine wood nematode diseases, and has a good application prospect. The plant nematicide is a plant nematicide with wide application prospect and research potential.

The application discloses a compound and a synthesis method thereof. The synthesis method is synthesized from heptafluorobutanol as a raw material through five steps, and synthesis steps comprise the following steps. Step S1: heptafluorobutanol is used as a raw material, and esterification reaction is carried out with benzene sulfonyl chloride to obtain an intermediate 1; step S2: substitution reaction is carried out on the intermediate 1 to obtain an intermediate 2; step S3: substitution reaction is carried out on the intermediate 2 to obtain an intermediate 3; step S4: an inorganic acid is added to the intermediate 3, and NaClO solution is added dropwise to obtain an intermediate 4; and step S5: fluorination reaction is carried out on the intermediate 4 to obtain the compound heptafluorobutanol sulfonyl fluoride. The application provides a synthesis method of a compound, heptafluorobutanol is used as a starting raw material, and heptafluorobutanol sulfonyl fluoride is obtained through five steps, dangerous hydrogen fluoride is avoided, special equipment is not needed, production is safer, and the method is more beneficial to industrial production.