743 results about "Phosphine" patented technology

The invention discloses a rare-earth metal arylamine group compound as well as preparation method and application thereof. The invention discloses the rare-earth metal arylamine group compound which is characterized in that a general formula of the rare-earth metal arylamine group compound is (2,6-R12PhNH)5LnLi2(THF)2, wherein Ln is a rear-earth metal selected from one of neodymium, samarium, ytterbium or yttrium; R1 is selected from one of hydrogen, methyl or isopropyl. The rare-earth metal arylamine group compound has the advantages that the rare-earth metal arylamine group compound has a definite structure; raw materials used in the preparation method are simple, easily obtained and cheap; the reaction process is simple and easily operated; the rare-earth metal arylamine group compound product is conveniently purified and the yield of the product is high; the rare-earth metal arylamine group compound has a high activity when acting as a single component catalyst to catalyze a hydrogen phosphine reaction of aldehyde or ketone and phosphite ester; the use amount of the catalyst is less; the yield is high; a substrate has wide universality; a new and simple method is provided for synthesis of a-hydroxyphosphonate.

To provide a method for producing a modified resin that allows efficient production of a desired modified resin by enabling smooth progress of a modification reaction of a resin having an epoxy group by using a tertiary phosphine as a catalyst.SOLUTION: A method for producing a modified resin comprises a step (A-1) of reacting a nucleophile having no polymerizable unsaturated bond with a resin containing an epoxy group, under the presence of a catalyst containing a tertiary phosphine and under an atmosphere in which the oxygen concentration of a gas phase part within a reaction vessel is less than 2 vol.%.SELECTED DRAWING: None

The invention provides a method for synthesizing 1, 2-bis (4-vinyl phenyl) ethane, which comprises the following steps: adding a first solvent, methyl triphenyl phosphine halide and strong alkali into a reaction flask, and uniformly stirring to obtain a first mixed solution; heating the first mixed solution and carrying out reflux reaction for 1 hour; dropwise adding a 1, 2-bis (p-formaldehyde phenyl) ethane solution until the reflux reaction is finished to obtain a second mixed solution; reducing the temperature of the second mixed solution to room temperature, and adjusting the pH value of the second mixed solution to obtain a first solution; layering the first solution, and taking an organic layer; adding a polymerization inhibitor into the organic layer to obtain a second solution; concentrating the second solution to obtain a 1, 2-bis (4-vinyl phenyl) ethane crude product; adding a poor solvent into the crude product, stirring and crystallizing; filtering the crystal to obtain a filter cake, adding a second solvent into the filter cake, and washing and drying the filter cake to obtain 1, 2-bis (4-vinyl phenyl) ethane; the method for synthesizing the BVPE is simple and low in raw material cost, and the synthesized BVPE is high in purity and free of product isomeride.

The invention discloses a graphite piece silicon carbide coating and a preparation method thereof, and belongs to the technical field of inorganic non-metallic materials. The method comprises the following steps: firstly, carrying out surface polishing, cleaning and drying pretreatment on a graphite piece; then a solution containing phosphinazine functionalized silazane and a boron-silicon carlamide compound is adopted for spraying the pretreated graphite piece, drying and curing are conducted, and a surface modification layer is formed; and finally, placing the surface-modified graphite piece in chemical vapor deposition equipment, and depositing at specific temperature, pressure and atmosphere to form the silicon carbide coating. According to the method, uniform nucleation and crystallization of the silicon carbide coating are effectively promoted through unique surface modification treatment, and the compactness and uniformity of the coating and the binding force of the coating and a matrix are remarkably improved. The obtained coating graphite piece has excellent thermal corrosion resistance, oxidation resistance and mechanical property, the service life and the use frequency of the coating graphite piece in semiconductor epitaxial equipment are remarkably prolonged, the whole preparation process is environmentally friendly, and the coating graphite piece is suitable for coating treatment of a large graphite base material.

The invention provides a novel chiral ferrocene bridged binaphthyl skeleton phosphine ligand and application thereof. The ligand has the advantages of low cost, simplicity in synthesis, air stability and the like. The ligands have good catalytic activity and enantioselectivity in the asymmetric hydrogenation reaction of ketone, and have certain industrial application prospects in the synthesis of pharmaceutical molecules.

The invention discloses a phosphorane mixed gas filling method, and relates to the technical field of mixed gases, the phosphorane mixed gas filling method comprises instrument pretreatment, step-by-step filling, post-vacuum treatment, quality detection and safety monitoring, and the phosphorane mixed gas filling method has the advantages that a mixed accelerant is added into a filling pipeline in the phosphorane and argon filling process, so that the filling efficiency is improved; by providing a large number of active sites and unique gas diffusion channels, uniform mixing of phosphorane and argon can be accelerated, the uniformity and accuracy of mixed gas matching are improved, in the process of action of an accelerant and gas, argon molecules are fully contacted and collided with dissociated and adsorbed phosphorus atoms under the guidance of a special structure of a nano-porous material, and the phosphorus atoms are separated and adsorbed. The mixed accelerant is added to promote rapid and uniform mixing of the phosphorus and the alkane, stable and accurate-proportion phosphorus and alkane mixed gas is formed, and in the whole process, the mixed accelerant continuously plays a role, so that the uniform mixing efficiency of the mixed gas in the filling process is greatly improved compared with a traditional mode.

The invention discloses a palladium catalyst as well as a preparation method and application thereof. The structural formula of the palladium catalyst is shown as a formula (I), according to the invention, an alkoxy group is introduced into the skeleton of the palladium catalyst and N-methylimidazole is coordinated with palladium, so that the catalytic yield of the palladium catalyst is effectively improved, and long-chain alkyl polyarylamine with high molecular weight and narrow distribution is obtained; the method does not need to use a traditional phosphine ligand, avoids potential hazards of phosphine compounds to operators and the environment in the use process, and is expected to be industrially applied on a large scale due to the fact that the phosphine compounds are stable to air and moisture and can be stored for a long time.

The invention discloses a rubber composition with low silane coupling agent content as well as a preparation method and application thereof. The rubber composition comprises rubber, white carbon black, a silane coupling agent and a modified catalyst. The modified catalyst is a composition of zinc dialkyl dithiophosphate and organic phosphine salt, the dosage of the silane coupling agent accounts for 0.5-15 wt% of the white carbon black, and the dosage of the modified catalyst accounts for 1-60 wt% of the silane coupling agent. The silane coupling agent and the modified catalyst are added into the rubber composition at the same time, and through combination of the silane coupling agent and the modified catalyst, the purpose of reducing the dosage of the silane coupling agent is achieved on the premise that excellent dispersity of the white carbon black and good aging resistance and physical and mechanical properties of the rubber composition are guaranteed; therefore, the purpose of reducing the comprehensive manufacturing cost of the rubber composition and even the whole tire is achieved, low-cost application of the functional silane coupling agent in the rubber composition is achieved, and the problems existing in the prior art are fundamentally solved.

The present application relates to a kind of phosphine oxy group covalent modification composite adsorption material and its preparation method and purposes, the preparation method includes the following steps: (1) mixing dopamine hydrochloride, phosphine-containing substrate, tris-hydroxymethyl aminomethane hydrochloride and sodium hydroxide in solvent, to obtain mixed solution;(2) the mixed solution obtained in step (1) and solid phase material are mixed, then oscillation reaction is carried out, to obtain solid-liquid mixture;(3) the solid-liquid mixture obtained in step (2) is carried out solid-liquid separation, and the solid phase part obtained is sequentially washed and dried, to obtain phosphine oxy group covalent modification composite adsorption material.The phosphine oxy group covalent modification composite adsorption material provided by the present application has excellent adsorption selectivity and material stability, and can be used for the high-selectivity separation and recovery of rare metals indium and gallium.

The invention discloses a crystal compound, a preparation method thereof and application of the crystal compound in X-ray detection, imaging and anti-counterfeiting encryption, and belongs to the technical field of crystals. The molecular formula of the crystal compound is [Cu (totp) (CH3CN) 3] [Cu2I3 (totp) (PN)]. (CH3CN), wherein totp is tris (o-tolyl) phosphine; and PN is diphenyl-2-pyridine phosphine. The crystal compound disclosed by the invention is simple in preparation method, and has the characteristics of large mass attenuation coefficient of X-ray energy, high light yield and low detection limit when being used as a material of an X-ray detector. The compound also has the characteristic of structural transformation in solvents such as methanol, ethanol, acetone, dichloromethane, tetrahydrofuran and the like, and meanwhile, the conversion of luminescence color under the excitation of 365nm ultraviolet light and X rays is accompanied. The material can be applied to the aspects of scintillator materials, room-temperature X-ray radiation indirect detection materials, radiation detection dosimeters, X-ray scintillator medical imaging, anti-counterfeiting encryption and the like.

The invention discloses a wear-resistant EVA material and a preparation method thereof, and relates to the technical field of high polymer materials. When the wear-resistant EVA material is prepared, nano cellulose and a triazole type ultraviolet absorbent react to prepare modified nano cellulose; the preparation method comprises the following steps: sequentially reacting silicon dioxide with 4-anilinoethyltriethoxysilane and 4-vinylaniline to prepare modified silicon dioxide; reacting the ethylene-vinyl acetate copolymer with allyl dichlorophosphine and eugenol in sequence to prepare a modified ethylene-vinyl acetate copolymer; melting and mixing the modified ethylene-vinyl acetate copolymer, the modified nanocellulose, the modified silicon dioxide, hydrogen-containing silicone oil and chloroplatinic acid, and performing compression molding to obtain the wear-resistant EVA material. The wear-resistant EVA material prepared by the invention has excellent wear resistance, flame retardance and aging resistance.

The invention relates to the technical field of vanadium extraction from stone coal, in particular to a method for extracting vanadium and molybdenum from stone coal vanadium ore. The method comprises the following steps: carrying out decarburization roasting and sodium salt roasting on a stone coal vanadium ore grinding sample; immersing into a sulfuric acid solution for acid leaching, and separating acid leaching liquid and acid leaching residues after acid leaching; a trihexyl (14) phosphonyl chloride organic solution in a proper concentration range is used as an extracting agent for an acid leaching solution, and step-by-step selective extraction is realized by utilizing the remarkable difference of extraction behaviors of molybdenum and vanadium under different pH values; preferably selecting the concentration of the sulfuric acid solution to efficiently strip molybdenum and vanadium in the organic phase respectively; carrying out ammonia leaching on the acid leaching residues to extract residual molybdenum; and carrying out molybdenum precipitation and vanadium precipitation reaction, and calcining to obtain vanadium and molybdenum fine powder products. According to the method, efficient collaborative recovery of vanadium and molybdenum is achieved, the purity of the obtained vanadium and molybdenum fine powder product is extremely high, the high-end application requirement is met, and the method has important industrial application value.

The application discloses a phosphine ligand modified nitrogen-doped graphene oxide / porous carbon supported metal catalyst and a preparation method and application thereof. The catalyst comprises phosphine ligand modified nitrogen-doped graphene oxide / porous carbon and rhodium supported on the nitrogen-doped graphene oxide / porous carbon; and the molar ratio of rhodium to phosphine is 1:1-100 in terms of elements. The phosphine ligand modified nitrogen-doped graphene oxide / porous carbon supported metal catalyst has better catalytic activity and product selectivity.

The invention belongs to the technical field of water treatment and resource recovery, and particularly relates to a device for removing organic phosphorus and recovering phosphorus in wastewater. Wastewater containing organic phosphonate is pumped from a water inlet in the bottom of an electrolytic reaction column by a liquid supply mechanism, and when flowing through an anode, under the action of current, the organic phosphonate is removed from the water inlet in the bottom of the electrolytic reaction column; active chlorine generated by the anode efficiently degrades organic phosphine into phosphate radicals; by controlling a second water pump at a first water outlet above the anode, partial acidic wastewater is discharged in a split-flow manner, so that upwelling of hydrogen ions generated by the anode is reduced, and a stable high-pH environment is maintained in a cathode region; the phosphate radical generated by the anode rises to the cathode area along with the water flow and is combined with calcium ions in the wastewater under the alkaline condition to generate hydroxyapatite precipitate; and finally, effluent containing precipitates enters a filtering and crystallizing column, so that interception and recovery of phosphorus are realized. According to the invention, efficient degradation of organic phosphine and efficient phosphorus resource recovery are realized, an additional oxidant is not needed, and the operation is stable.

The application discloses a method for synthesizing organic acetylide ester through a palladium catalytic reaction and belongs to the field of organic synthesis. The organic acetylide ester is obtained through a cross-coupling reaction in the presence of a palladium catalyst, a phosphine ligand and an alkali, with terminal alkyne and di-tert-butyl dicarbonate as raw materials. The method has the advantages of high reaction yield, wide substrate range, good functional group compatibility, and the advantages of non-toxic and easy-to-obtain carbonyl source, simple operation steps and mild reaction conditions.

The invention relates to a synthesis method of a 3-olefine acid ester compound. The method comprises the following steps: carrying out contact reaction on an organic phosphine ligand, a palladium compound, conjugated olefin, an alcohol compound and carbon monoxide; wherein the structural formula of the organic phosphine ligand is shown in the specification, and in the structural formula, R0 and R1 are respectively selected from hydrogen, alkyl, alkoxy, halogen or halogenated alkyl; and R2 and R3 are respectively selected from hydrogen or alkyl. The method provided by the invention has the advantages of mild conditions, no need of an acid auxiliary agent, high yield and selectivity of the generated 3-olefine acid ester compound, reduction of corrosion to a reactor, and good application prospect, and the speculation is that the electrical property of phosphorus atoms can be regulated and controlled by using the organic phosphine ligand provided by the invention, so that the reaction activity of the palladium-organic phosphine ligand catalyst is regulated and controlled, and the yield and selectivity of the 3-olefine acid ester compound are improved. Therefore, the palladium-organic phosphine ligand catalyst generated by the ligand and a palladium compound in situ can efficiently catalyze the reaction of conjugated olefin, carbon monoxide and alcohol compounds.

The invention provides a bridged phosphine amine complex and a preparation method and application thereof, the complex has a structure as shown in a formula 1, R1-R4 are respectively and independently selected from hydrogen, chlorine, bromine and C1-Cn alkyl or alkoxy, n is greater than or equal to 1 and less than or equal to 4, and M is titanium or zirconium. The bridged phosphine amine complex provided by the invention has the characteristics of low water and oxygen sensitivity and good high temperature resistance.

The invention relates to the technical field of gas configuration, in particular to a phosphorane and hydrogen mixed gas configuration device and method.The method comprises the steps that whether a configuration system is tightly connected or not is detected, and configuration preparation work is conducted; the method comprises the steps that phosphorane is introduced into a target tank, hydrogen is introduced into an intermediate tank, a controller monitors the reading change of an electronic balance module and the reading of a pressure gauge module in real time, and introduction is stopped after the phosphorane and the hydrogen are introduced into a preset component mass; according to the method, when phosphorane and hydrogen are introduced into the target tank, the display of the pressure gauge module is continuously concerned through the controller, the display of the pressure gauge module is continuously concerned through the controller, so that the leakage of the corresponding gas conveying pipeline is judged, an alarm is given, sudden stop operation is carried out, or hydrogen in the intermediate tank is introduced into the target tank to be mixed, and mixed gas is obtained. And when the reading of the pressure gauge module is abnormal, the gas conveying pipeline is closed, the gas introduction is stopped, and an alarm is given, so that workers can be informed of evacuating from a workshop at the first time when the gas leaks, and the safety of the workers is guaranteed.

The invention discloses a neutral phosphine phenol nickel catalyst based on a tert-butyl structure. The catalyst has a structure shown as a formula (I), wherein R1 and R2 are respectively and independently selected from hydrogen, C1-C20 alkyl, fluorine, chlorine, bromine, iodine, nitryl, hydroxyl, substituted silicon group and C1-C20 substituted alkyl; r3 is independently selected from C1-C20 alkyl, C1-C20 substituted alkyl, phenyl or substituted phenyl, R4 and R5 are independently selected from hydrogen, fluorine, chlorine, bromine, iodine, C1-C20 alkyl, aryl, an oxygen-containing group, a nitrogen-containing group, a sulfur-containing group, a boron-containing group, an aluminum-containing group, a phosphorus-containing group, a silicon-containing group or a tin-containing group; tert-butyl is introduced into para-position and meta-position of a ligand phenol oxygen ring, and a protection barrier is formed by utilizing the steric hindrance effect of the t-butyl, so that decomposition and deactivation of the catalyst under a high-temperature condition are inhibited, the catalyst can stably play a catalytic role in an industrial common medium-high-temperature polymerization environment, and the process adaptation range of the catalyst is widened.

The invention provides a temperature-resistant and salt-resistant polymer viscosity reducer for a drilling fluid and a preparation method of the temperature-resistant and salt-resistant polymer viscosity reducer. The phosphine-containing polymer viscosity reducer can be prepared from a carboxylic acid group-containing monomer, a sulfonic acid group-containing monomer, a phosphine-containing compound and phosphorous acid through a polymerization reaction; the carboxylic acid group-containing monomer is selected from one or more of acrylic acid, methacrylic acid and maleic acid, and the sulfonic acid group-containing monomer is selected from 2-acrylamido-2-methylpropanesulfonic acid or 2-acryloyloxy-2-methylpropanesulfonic acid; the phosphine-containing compound is selected from any one of ethylene diamine tetra (methylene phosphonic acid), 1-hydroxyethylidene-1, 1-diphosphonic acid and amino trimethylene phosphonic acid. The obtained phosphine-containing polymer viscosity reducer with the corresponding structure is good in temperature resistance and salt resistance, salt resistance reaches saturation, and under the conditions of high temperature and salt pollution, the viscosity reducer still has a good viscosity reduction effect and has good temperature resistance and salt resistance; and moreover, reaction raw materials in the preparation are few, the synthesis process is simple, the cost performance is relatively high, and application is facilitated.

This invention belongs to the field of catalyst technology, and relates to a metal ligand catalyst and a method for preparing lactic acid. The metal ligand catalyst is a complex formed by a metal and a ligand; the metal is one or more of manganese, copper, zinc, and molybdenum; the ligand is phenanthroline, pyridine, phosphine ligand, or nitrogen-phosphine ligand. The catalyst provided by this invention is low in cost, has relatively mild reaction conditions, is simple to prepare, and exhibits high selectivity for the preparation of lactic acid.

The present application relates to the technical field of catalytic hydrogenation reaction, and discloses a preparation method and application of an organic phosphine shell modified nanocatalyst, which comprises the following steps: adding a carbon carrier in an alcohol solvent and ultrasonic dispersion, then adding a chloroplatinic acid containing alcohol solution, and stirring at 0-15 DEG C; subsequently, an organic phosphine containing alcohol solution and a reducing agent are added, and the stirring is continued; finally, rotary evaporation is carried out, and drying is performed to obtain the nanocatalyst; the nanocatalyst is a platinum catalyst with a core-shell structure loaded on the surface of the carbon carrier. By introducing the organic phosphine ligand to the surface of the nanometer platinum particles, the core-shell structure nanoparticles with a flexible organic phosphine ligand modified shell are constructed, the adsorption and desorption strength and configuration of the active site electronic structure, the reaction microenvironment, the reactants and the intermediate state of the reaction interface are regulated, and the selective and efficient hydrogenation of the aromatic hydrocarbon containing nitro or carbon-carbon double bond is realized.

This invention discloses a ruthenium catalyst supported on a phosphine-containing porous organic polymer and its preparation method. The phosphine-containing porous organic polymer serves as both a support and a solid ligand. The phosphine-containing porous organic polymer ligand is a random copolymer, and its structure can be represented by general formula I. The ruthenium catalyst supported on the phosphine-containing porous organic polymer according to this invention has a large specific surface area and contains a hierarchical porous structure, enabling efficient direct preparation of alcohols from olefins via reductive hydroformylation, and is easily recyclable. It exhibits excellent activity and regioselectivity in the direct preparation of alcohols from olefins via reductive hydroformylation, with an alcohol selectivity of nearly 90% and a high ratio of straight-chain alcohols to branched-chain alcohols.

The invention belongs to the technical field of melamine resin preparation, and provides yellowing-resistant antioxidant melamine resin and a preparation method thereof. The preparation method comprises the following steps: firstly, by taking melamine, formaldehyde and a modifying reagent as raw materials, preparing a melamine prepolymer by adjusting reaction conditions; secondly, a quinone-phenol hybrid antioxidant is designed and prepared, and through introduction of a hybrid molecular structure, the quinone-phenol hybrid antioxidant has excellent free radical capture ability and oxidation inhibition effect; then, a multifunctional light stabilizer containing hindered amine, phosphine and triazine groups is synthesized, and the light stability and weather resistance of the material are remarkably improved by utilizing an intermolecular synergistic effect; and finally, uniformly dispersing and curing the melamine prepolymer, an antioxidant, a light stabilizer and other auxiliaries, and carrying out multi-step temperature regulation and curing treatment to prepare the melamine resin material with excellent performance.

The invention discloses a high-purity phosphine gas cylinder leakage detection device and method, and relates to the field of leakage detection of high-purity phosphine gas cylinders, the device comprises a device body, a first fixing disc and a second fixing disc are installed on the two sides of the top of an inner cavity of the device body respectively, and fixing stations are arranged on the opposite sides of the first fixing disc and the second fixing disc; a positioning assembly is installed at the top of the first hydraulic lifting rod, trapezoidal clamping blocks are symmetrically and movably connected to the two ends of the side edge of the adsorption assembly, a piston plate is movably connected to the bottom of an inner cavity of the equipment body, C-shaped racks are symmetrically installed on the two sides of the piston plate, and vortex disturbance rollers are symmetrically and rotationally connected to the two ends of the inner cavity of the equipment body. According to the leakage detection equipment and method for the high-purity phosphine gas cylinder, leakage detection is carried out on the high-purity phosphine gas cylinder through three methods in the same equipment, and the working efficiency and the detection precision can be effectively guaranteed.

The invention belongs to the technical field of resin preparation, and particularly discloses low-dielectric polyphenylsiloxane epoxy composite resin and a preparation method and application thereof.The preparation method comprises the following steps that a component A, a component B, a component C and a catalyst are added into a reaction container at the room temperature; introducing inert gas, and heating to obtain an intermediate product D; adding a component E into the intermediate product D to obtain an intermediate product F; and uniformly stirring and mixing the intermediate product F, a curing agent and a catalyst, and carrying out segmented curing to obtain the bi-crosslinked polyphenylsiloxane epoxy composite resin. A large number of phenyl, siloxane, phosphorus / phosphine derivatives and other structures with large volume steric hindrance, low polarity and excellent thermal stability are introduced into the polyphenylsiloxane epoxy composite resin provided by the invention, so that the polyphenylsiloxane epoxy composite resin has excellent thermal stability, low dielectric property and excellent flame-retardant effect; the prepared polyphenylsiloxane epoxy composite resin has the characteristics of high flame retardance, low dielectric, high peel strength and high heat resistance.

The invention discloses a pre-transition metal compound containing nitrogen and phosphine as well as a preparation method and application of the pre-transition metal compound. The compound has a structure as shown in a formula (1). Wherein R1, R2 and R3 are each independently selected from a group consisting of H, a C1-20 alkyl group, a C1-20 alkoxy group and a halogen; r4 and R5 are each independently selected from a group consisting of H, a C1-4 hydrocarbyl group, a C6-12 aryl group, and a C7-16 aryl group substituted by a C1-4 hydrocarbyl group; mt is a group IVB metal element; m is equal to 1-3; r < 1 >, R < 2 >, R < 3 >, R < 4 > and R < 5 > are respectively and independently hydrogen, alkyl of C < 1-20 > or aryl of C < 6-30 >; e is O or S; x is an atom or group bonded to an Mt element, and X is at least one group selected from the group consisting of C1-10 hydrocarbon groups and halogens; and n is an integer and satisfies the valence of Mt bonding. The catalyst containing the compound has the advantages of high catalytic activity and low cost.

The application discloses a Cu / YPA catalyst, a preparation method and a preparation method of tris(3-hydroxypropyl) phosphine. The catalyst has high activity and good selectivity. The tris(3-hydroxypropyl) phosphine is prepared by adopting a three-step synthesis process. The reaction conditions of each step are mild, the required raw materials are simple, the yield of each step is high, the use of the toxic PH3 is avoided, and the industrial production is easy.

The application belongs to the field of organic synthesis, and discloses a method for preparing chiral 2-(1,3-diarylallyl)malonate by using a Pd / phosphine oxygen bidentate phosphine phenol ligand catalysis, which comprises the following steps: under a protective atmosphere, mixing P, O-bidentate phosphine phenol ligand, a palladium catalyst, N, O-bis(trimethylsilyl)acetamide, a malonate nucleophilic reagent and an allyl acetate electrophilic reagent in dichloromethane, and reacting to obtain chiral 2-(1,3-diarylallyl)malonate product. The system has the advantages of high enantioselectivity, high catalytic efficiency, wide substrate application range and mild conditions.

The invention belongs to the technical field of organic synthesis, and discloses a method for synthesizing propargyl silane derivatives through nickel catalytic reduction coupling. The method comprises the following steps: in a protective atmosphere, taking an organic solvent as a reaction medium, and reacting a halogen-containing butyne compound with chlorosilane under the action of a catalyst, a ligand and a reducing agent to obtain the propargyl silane derivative. The structural formula of the propargyl silane derivative is I, the catalyst is a nickel catalyst, and the ligand is a nitrogen or phosphine ligand. The method disclosed by the invention is simple, low in cost, efficient in reaction, few in byproducts, easy to separate and purify and high in yield.