87 results about "Propargyl alcohol" patented technology

The invention relates to a preparation method of propargyl alcohol, and belongs to the technical field of organic chemistry. The reaction formula is as follows: # imgabs0 #; comprising the following steps: (1) taking Z-1, 3-dichloropropene as a raw material, adding dimethyl sulfoxide and solid alkali into an organic solvent, heating, carrying out heat preservation reaction until the content of the Z-1, 3-dichloropropene is less than or equal to 1%, and cooling to room temperature; (2) adding a phase transfer catalyst and water into the reaction liquid obtained in the step (1), heating, and carrying out a heat preservation reaction until an intermediate 3-chloropropyl-2-ene-1-ol is less than or equal to 0.5%; cooling to room temperature; (3) filtering, separating liquid, and adding an extracting agent into a water phase for extraction; and rectifying the extracted organic phase to obtain propargyl alcohol. By controlling the alkaline strength and reaction parameters in the reaction, the production of organic impurity ether compounds can be effectively controlled, the purity and yield of the product are improved, and meanwhile, the reaction time is shortened.

The invention relates to the technical field of printed circuit board production, in particular to micro-etching coarsening liquid for a circuit board and a preparation method of the micro-etching coarsening liquid. The micro-etching coarsening liquid for the circuit board comprises the following preparation raw materials by mass concentration: 60-70 mL / L of concentrated sulfuric acid, 130-140 mL / L of hydrogen peroxide, 12-15 g / L of polyethylene glycol, 3-5 g / L of propoxylated propargyl alcohol, 2-4 g / L of a complexing agent, 3-6 g / L of a corrosion inhibitor, 3-5 g / L of a stabilizer, 5-8 g / L of a surfactant and 6-8 g / L of an accelerant. The micro-etching coarsening liquid for the circuit board has the advantages of high etching rate, excellent stability, high copper ion containing capacity and good oxidation resistance, and is suitable for micro-etching treatment of the circuit board.

The invention relates to the technical field of synthesis of propargyl chloride, in particular to a synthesis method of propargyl chloride. When 3-chloropropyne is synthesized by a conventional method, the yield is difficult to reach 90% or above. In order to solve the technical problems, the invention provides the synthesis method of the propargyl chloride, and propargyl alcohol and hydrogen chloride are subjected to substitution reaction in an organic solvent to generate the 3-propargyl chloride under the action of a closed reactor and a catalyst. According to the method for synthesizing the 3-chloropropyne, the yield of the 3-chloropropyne is larger than or equal to 90%, and the generation amount of by-products is smaller than 5%. The by-product hydrogen chloride is directly used as a synthesis raw material, so that the raw material cost is remarkably reduced. The method is mild in reaction condition, low in equipment investment and suitable for industrial amplification.

The invention relates to the technical field of organic chemistry, in particular to a propynyl butyl carbamate synthesis process, which comprises the following steps: firstly, adding a catalyst into a propargyl alcohol metering tank, uniformly stirring to obtain a mixture A for later use, then adding n-butyl isocyanate into a reaction container, starting stirring, then dropwise adding the mixture A into the reaction container, and reacting for 2-3 hours to obtain a mixture B; after dropwise adding is finished, replacing the reaction container with nitrogen, preserving heat for 6-18 hours after replacement is finished, sampling and analyzing, transferring the materials in the reaction container into a decolorizing container, adding activated carbon in a stirring state for decolorizing, transferring the materials into a filtering system for filtering after decolorizing is finished, and filtering to obtain a filtrate; the method comprises the following steps of: adding a filtrate into a finished product tank, and automatically packaging to finish the synthesis of the propynyl butyl carbamate, so that the technical problems that a rectification process is needed in the process in the prior art, and the propynyl butyl carbamate becomes unstable and is easy to decompose under a high-temperature condition, so that the content of the product is reduced are solved.

The invention relates to a process for the production of an organic layer comprising regions with different electronic properties. The process is based on the use of dihydroanthracene, dihydrobenzene, benzol or fluorene precursors functionalised with at least one substituted propargyl alcohol. By subjecting these precursors to a reduction / re-aromatisation reaction and / or to a retro-Favorskii reaction one obtains small organic molecules or polymers having different electronic properties, due to the specific chemical composition generated by the different chemical reactions in which the precursors are involved. Therefore, starting from the same precursor and subjecting it alternatively to the two specified reactions, one obtains products with different electronic properties. i.e. molecules characterised by high energy levels of the highest occupied molecular orbital (HOMO), which have at least one aromatic ring substituted with at least one ethynyl group, and molecules characterised by lower energy levels of the lowest unoccupied molecular orbital (LUMO), which have at least one carbonyl functionality, preferably at least one quinone ring or at least one phenyl with at least one carbonyl functionality. The reactions are carried out in such a way that the final products are incorporated into a single organic layer.

An inhibition corrosion package for use with an acidic composition, where the package includes a terpene component; a propargyl alcohol or derivative thereof; optionally, a tall oil fatty acid; at least one amphoteric surfactant; and a solvent. Also disclosed are acidic compositions combining the corrosion inhibition package for use in various industrial operations including, but not limited to, oil and gas operations. Also disclosed are methods of using such compositions.

The invention discloses a preparation method of a cyanoborate lithium salt derivative, which comprises the following steps: 1, mixing an alcohol compound, a lithium source compound, a boron source compound and trimethylsilyl cyanide in a polar organic solvent, and filtering after complete reaction to obtain a cyanoborate crude product filtrate; the alcohol compound is selected from one of 2, 2, 2-trifluoroethanol, 2, 2-difluoroethanol, 2-fluoroethanol, 3-hydroxypropionitrile, allyl alcohol and propargyl alcohol; the lithium source compound is selected from one of lithium carbonate and lithium hydroxide; the boron source compound is selected from one of boric acid, diboron trioxide and boron tribromide; the reaction temperature is controlled to be 0-120 DEG C; and 2, adding an inert organic solvent into the cyanoborate crude product filtrate for crystallization, and performing vacuum drying to obtain a finished product of the cyanoborate lithium salt. The method has the advantages of high yield and purity, simple process, convenience in operation and low cost, and is extremely suitable for industrial production.

The present application relates to the technical field of fine chemical product synthesis, and in particular to a synthesis method of 3-chloropropynyl co-production of p-chlorobenzaldehyde, which comprises the following steps: mixing propargyl alcohol, a solvent, an ionic liquid catalyst, a cocatalyst DMF and a polymerization inhibitor p-tert-butyl catechol, heating and slowly adding p-chlorobenzylidene dichloride dropwise into the mixture, collecting the generated 3-chloropropynyl crude product at the tail gas outlet, cooling after the reaction is completed, and sequentially reducing pressure rectification of 3-chloropropynyl, the remaining propargyl alcohol and the solvent, and p-chlorobenzaldehyde product through a rectification tower. The present application solves the problems of using toxic and hazardous chemicals chlorinating agent in the production of existing 3-chloropropynyl, and generating a large amount of toxic waste acid gas or low-value byproducts, and the problem of low utilization rate of chlorine atom in the existing direct hydrolysis method of p-chlorobenzaldehyde, and reduces environmental pollution.

The invention discloses a continuous flow preparation method of polysubstituted propargyl alcohol, which uses a microtube continuous flow reaction device and comprises the following specific steps: simultaneously conveying acetylene gas or terminal alkyne compound and an organic alkali solution into a mixer for premixing; simultaneously conveying the keto-carbonyl substrate and the flowing-out reaction liquid to a reactor to carry out an alkyne hydrogenation reaction; and carrying out gas-liquid separation on the outflowing reaction liquid, and rectifying in a rectifying tower to obtain a target propargyl alcohol product. According to the method for continuously preparing the polysubstituted propargyl alcohol by using the continuous flow reaction system, full mixing of reaction materials of each reaction unit and accurate control of the reaction can be realized by regulating and controlling pipeline parameters, the automation degree is greatly improved, the manual operation is reduced, the energy consumption cost is reduced, and the method is suitable for industrial production.

The invention discloses a nickel pre-plating additive suitable for a high area and an electroplating method. The invention discloses a cleaning agent, which comprises the following five main functional additives: 10-20 wt% of a surfactant, 10-20 wt% of a brightening agent, 4-8 wt% of a leveling agent, 10-15 wt% of a softening agent, 8-12 wt% of a surface cleaning agent, 1-3 wt% of a wetting agent and the balance of five main functional additives. Wherein the brightener mainly comprises one or a mixture of more of pyridinium propyl sulfobetaine (PPS), a sodium allysulfonate aqueous solution (ALS), trichloroacetaldehyde hydrate (TCA), 1, 4-butynediol (BOZ), pyridinium hydroxy propyl sulfobetaine (PPS-OH) and butynediol ethyl oxide (BEO). The leveling machine mainly comprises one or a mixture of more of pyridinium sulfobetaine (PPS), propargyl alcohol ethyl oxide (PME), propargyl alcohol propoxy compound (PAP), butynediol propoxy compound (BMP), N, N-diethyl propargyl amine formate (PABS) and pyridinium hydroxy propyl sulfobetaine (PPS-OH). The softening agent mainly comprises one or a mixture of more of a sodium allysulfonate aqueous solution (ALS), sodium allysulfonate (SAS), N, N-diethyl propynylamine (DEP) and propinyl-3-sulfopropyl ether sodium salt (POPS). The surface cleaning agent mainly comprises one or a mixture of more of sodium gluconate, sodium benzoate, sodium salicylate, sodium acetate, sodium hypophosphite and 2, 5-dimethyl-3-hexyne-2, 5-diol (HD-M). The wetting agent mainly comprises one or a mixture of more of 2-ethylhexyl sodium sulfate (TC-EHS), sodium dihexyl sulfosuccinate and sodium mono (2-ethylhexyl) sulfate. The corresponding substances are classified according to the characteristics of the additive, and the dispersing capacity of the plating solution is remarkably enhanced by utilizing mutual synergism and combined action of different substances and matching with the formula of the Watt plating solution. Meanwhile, matching is carried out according to the characteristics of the nickel pre-plated steel strip, and the nickel pre-plated steel strip has the advantages of being suitable for a high-current-density interval, adjustable in coating glossiness, good in coating ductility, good in compactness, few in pinhole, few in blue point and the like.

The application discloses a catalytic synthesis method of chiral polysubstituted hydrogenated quinoline compounds, and belongs to the field of organic synthesis. The application comprises the following steps: at 0-40 DEG C, alcohol or halogenated alkane is used as a solvent, a copper metal catalyst and a chiral ligand are added, and reaction is carried out under nitrogen protection for 0.5-2 hours; the temperature is lowered to-60-0 DEG C; then, o-aminophenyl nitrone, propargyl alcohol ester and alkali are sequentially added; and reaction is carried out for 6-48 hours, so as to obtain a chiral polysubstituted hydrogenated quinoline compound shown in formula 1 or 2. The application realizes, for the first time, synthesis of chiral polysubstituted hydrogenated quinoline compounds by using o-aminophenyl nitrone and propargyl alcohol ester as reactants, and by using a cheap copper metal catalyst and a chiral ligand, the method is simple in operation, low in cost, and has excellent enantioselectivity and diastereoselectivity.

The present invention relates to a Zr-based Cr / P-free composition for treating a metal surface, comprising: (A) a source of hexafluorozirconate ions; (B) Zn cations; (C) Mg cations; and (D) at least one corrosion inhibitor selected from the group consisting of a propargyl alcohol alkoxy compound and its derivatives, a thiodiglycol ethoxylate and its derivatives, and combinations thereof; wherein the pH value of the composition is in the range of from 3.5 to 6.5, and the concentration of the component (A) calculated on the basis of Zr element is higher than 5 ppm, based on the total weight of the Zr-based Cr / P-free composition. The present invention also relates to a process for treating a metal surface with the composition, and a substrate containing a metal surface treated by the process.

The invention discloses a preparation method of tris (propargyl) phosphorus oxide, and belongs to the technical field of battery electrolyte additives, and the preparation method specifically comprises the following steps: S1, carrying out low-temperature in-situ Grignard exchange and addition reaction, the method comprises the following steps: carrying out in-situ Grignard exchange and addition reaction on phosphorus trichloride, an alkyl lithium reagent and propargyl alcohol in an organic solvent to generate an intermediate tris (propargyl) phosphorous acid; s2, oxidation reaction: adding an oxidizing agent into the reaction system obtained in the step S1, and carrying out oxidation reaction to obtain tris (propargyl) phosphorus oxide; according to the method, the technical bottleneck of preparing the phosphorus-containing alkyne additive by a traditional fractional step method is broken through, a one-pot low-temperature synchronous dropwise adding in-situ reaction process is initiated, and efficient and high-selectivity synthesis of tris (propargyl) phosphorus oxide is realized.

The compound below may be used in a fire-fighting formulation along with a poly(glucoside)-alkane, a poly(ethylene glycol) monoalkyl ether, and water. The value n is 2 or 3, R is a C3-C9 alkylene group, X is —O— or —N(COCH3)—, and c is a positive integer. It may be made by reacting a polysaccharide with acetic anhydride, propargyl alcohol, and an azidoalkyltris(trimethylsiloxy)silane or an azidoalkylbis(trimethylsiloxy)methylsilane. Alternatively, it may be made by reacting a polysaccharide with propargylamine, acetic anhydride, and an azidoalkyltris(trimethylsiloxy)silane or an azidoalkylbis(trimethylsiloxy)methylsilane.

The invention discloses a method for synthesizing chiral morpholine from propargyl alcohol ester. Chiral morpholine is an important drug molecular skeleton and is widely applied to the aspects of analgesia, anesthesia, tumor resistance, heart treatment and the like as a drug active ingredient, but an efficient synthesis method is lacked. According to the method disclosed by the invention, under the regulation and control of arylboronic acid and a specific chiral ligand, propargyl alcohol ester and an affinity reagent react to obtain optically pure (87-97% ee) morpholine. The method has the characteristics that the catalyst and the ligand are wide in source, and the substrate is cheap and easy to obtain; the chiral morpholine has excellent enantioselectivity and good functional group compatibility, can be suitable for structural modification of bioactive molecules and intermediates, and is a simple and efficient asymmetric catalysis strategy for synthesizing chiral morpholine.

The invention discloses a method for preparing aromatic benzene propargyl ketone through light induction and biological application, and belongs to the technical field of organic synthesis and biological medicine. Aromatic benzene propargyl alcohol is converted into the aromatic benzene propargyl ketone under the light induction condition; functional groups are changed before and after light induction, hydroxyalkyne without reaction activity is converted into carbonyl alkyne with click reaction activity, fluorescence enhancement can be achieved, and the method can be used for imaging and tracing; in addition, the aromatic benzene propargyl ketone can react with amino-containing compounds or biological macromolecules, so that the killing of tumor cells is realized. According to the method, light is used as a starting switch, reaction conditions are simple, controllability is good, no additional catalyst is needed, large-scale production is easy, and the method has wide application prospects in the aspects of polypeptide or protein marking, tumor resistance and the like.

The invention relates to the technical field of organic chemical synthesis, in particular to a carbazole axially chiral tetra-substituted allene derivative which is a compound containing a structure shown in the formula (III), R1 is connected with a benzene ring, and R1, R2 and R3 are independently selected from H, alkyl, halogen, silicon, alkenyl, alkynyl, aryl, acyl, sulfonyl, heteroaryl and benzyl. Compared with the prior art, the carbazole axially chiral tetra-substituted allene derivative is obtained by combining the carbazole compound and the propargyl alcohol compound in an addition manner, and the carbazole axially chiral tetra-substituted allene derivative has an allene skeleton and a carbazole active fragment at the same time; the compound can be used as a potential skeleton for developing novel antibacterial and antitumor drugs.

This invention relates to the field of lithium battery electrolyte technology, specifically a method for synthesizing tripropynyl phosphate, comprising the following steps: 1) In a dry reaction vessel, an organic solvent is added, and phosphorus oxychloride is dissolved in the organic solvent, and stored under an inert atmosphere at low temperature; 2) A mixture of propynyl alcohol and triethylamine is slowly added dropwise, and the reaction is continuously stirred while maintaining a low temperature; 3) The mixture is slowly added dropwise, and the reaction is stirred after the temperature is raised to room temperature; 4) The mixture is slowly added to the reaction vessel, and the reaction is stirred after the temperature is raised to room temperature; 5) The triethylamine hydrochloride is removed by filtration, and the filtrate is distilled under reduced pressure to obtain a crude product, which is then purified by reduced pressure distillation or column chromatography. This invention effectively solves the problems of violent exothermic reactions, numerous side reactions, harsh reaction conditions, and difficulties in post-processing and purification of the product in existing synthesis methods by rationally designing reaction steps and precisely controlling reaction conditions and molar ratios.

The invention provides a porous organic metal palladium polymer applied to selective hydrogenation of terminal group propargyl alcohol as well as a preparation method and application of the porous organic metal palladium polymer. The porous organic metal palladium polymer comprises a reaction product of a palladium-based metal organic compound, a comonomer and a cross-linking agent, wherein the palladium-based metal organic compound is selected from one of bis (benzimidazole) n-heterocyclic carbene palladium chloride, bis (triphenylphosphine) palladium chloride or tetrakis (triphenylphosphine) palladium. The porous organic metal palladium polymer has the advantages of homogeneous catalysis and heterogeneous catalysis as a catalyst, not only has the advantages of high catalytic efficiency, good selectivity, wide applicability, easiness in recovery, greenness, economy and the like, but also can realize a series of hydrogenation reactions under the conditions of ultralow catalytic amount and mild conditions.

This invention relates to the field of organic synthesis technology, and more particularly to a method for preparing sulfone-substituted indene compounds. The method involves mixing a propargyl alcohol compound, a sodium sulfinate compound, an acid promoter, and a solvent, and carrying out a tandem sulfonation-cyclization reaction to obtain the sulfone-substituted indene compound. This method has the advantages of readily available raw materials, no catalyst required, ease of operation, and being green and efficient, showing good prospects for industrial application.

The application discloses a lubricating coating for high-temperature fasteners and a preparation method and application thereof. The lubricating coating is prepared by using inorganic phosphate as a binder, nano boron nitride, silver powder, molybdenum disulfide and tungsten disulfide as composite lubricants, antimony trioxide as an antioxidant, nano silicon dioxide as a phosphate binder reinforcing agent, water and anhydrous ethanol as a dispersion medium, and propargyl alcohol as a corrosion inhibitor. The coating is immersed or sprayed on the fastener, and a coating is formed after a certain curing condition. The coating has good adhesion, flexibility and impact resistance, and has no corrosion defects such as pitting, cracking and bubbling after an acetate salt spray test (AASS) for 240 hours. According to the locking torque test in accordance with HB 7687-2001, the locking torque requirement is met after 15 cycles at room temperature and 5 times of warm loading and then air cooling to room temperature. The application has a good application prospect in the field of high-temperature fastener coatings.

The application discloses a kind of water-based polyurethane coating and preparation method thereof, it is related to paint technical field.The water-based polyurethane coating prepared in the application includes component A and component B, component A includes modified polyurethane dispersion, wetting agent, defoaming agent, thickening agent, stabilizer;Component B includes modified silica, dispersant, wetting agent;The modified polyurethane dispersion is prepared by isofuroxone diisocyanate, phosphorus-containing dihydric alcohol, propargyl alcohol, dimethylol butyric acid reaction;The modified silica is the silica that is wrapped by chitosan, after aldehyde group is formed, and functional monomer grafting, and the gamma-seleno butyrolactone obtained by reaction again.The water-based polyurethane coating prepared in the application has good flame-retardant, antibacterial, anti-aging and self-repairing performance.

The invention provides a zinc-based MOF material catalyst and a preparation method thereof, and the zinc-based MOF material catalyst is mainly prepared from the following raw materials: an organic monomer a, a zinc salt, an organic monomer b, a solvent and a metal salt, the organic monomer a is selected from at least one of imidazole nitrogen heterocyclic ligands with carboxylic acid functional groups; the organic monomer b is selected from at least one of difunctional ligands containing amino groups and carboxylic acid groups. The zinc-based MOF material has better carbon dioxide adsorption performance through the synergistic effect of the metal salt and the ligand, can efficiently catalyze the cycloaddition reaction of carbon dioxide and propargyl alcohol as a catalyst under mild conditions, and solves the problems of yield and purity of reaction products.

The invention relates to the technical field of synthesis of fine chemical products, in particular to a synthesis method for co-production of 3-chloropropyne and p-chlorobenzaldehyde, which comprises the following steps: mixing and heating propargyl alcohol, a solvent, an ionic liquid catalyst, a cocatalyst DMF and a polymerization inhibitor p-tert-butylcatechol, slowly dropwise adding p-chlorobenzylidene dichloride into the mixture, and carrying out heat preservation and stirring, collecting a generated 3-chloropropyne crude product at a tail gas port, cooling after the reaction is finished, and sequentially rectifying the 3-chloropropyne, the residual propargyl alcohol, the residual solvent and a p-chlorobenzaldehyde finished product under reduced pressure through a rectifying tower. The method solves the problems that a toxic and dangerous chemical chlorinating agent is used in the existing 3-chloropropyne production, and a large amount of toxic waste acid gas or low-added-value byproducts are generated; and the problem of low chlorine atom utilization rate of the existing p-chlorobenzaldehyde direct hydrolysis method is solved, and the environmental pollution is reduced.

The application discloses a method for preparing aromatic benzyl propargyl ketone by light induction and biological application, belongs to the technical field of organic synthesis and biological medicine, and converts aromatic benzyl propargyl alcohol into aromatic benzyl propargyl ketone under the condition of light induction; the change of the functional group before and after light induction is that the hydroxyl alkyne without reaction activity is converted into the carbonyl alkyne with click reaction activity, fluorescence enhancement can be realized, and the method can be used for imaging and tracing; and the aromatic benzyl propargyl ketone can react with a compound containing an amino group or a biological macromolecule to realize the killing of tumor cells. The method uses light as a starting switch, the reaction condition is simple, controllability is good, no additional catalyst is needed, and the method is easy to mass-produce, so the method has wide application prospects in polypeptide or protein labeling, anti-tumor and the like.

The utility model relates to the field of chemical separation, in particular to a separation and purification system for synthesizing propargyl alcohol, which comprises a gas mixing device, an acetylene gas pressurizing device, an ethynylation reaction device, a gas-liquid separator, a butynediol separation tower, a formaldehyde recovery tower, a methanol separation tower, a propargyl alcohol product tower and a chromatography device which are connected in sequence. The system disclosed by the utility model can improve the selectivity of propargyl alcohol in the production process of butynediol under the condition of ensuring the safety of high-pressure acetylene, and effectively realize the separation of propargyl alcohol, so that the supply capacity of propargyl alcohol in the market is obviously improved. The device disclosed by the utility model not only improves the yield of the byproduct propargyl alcohol in BYD production, but also separates and extracts important chemical raw materials such as 1, 4 butynediol.

The invention discloses a catalytic synthesis method of a chiral polysubstituted hydroquinoline compound, and belongs to the field of organic synthesis. The method comprises the following steps: at 0-40 DEG C, respectively taking alcohol or halogenated hydrocarbon as a solvent, adding a metal copper catalyst and a chiral ligand, reacting for 0.5-2 hours under the protection of nitrogen, cooling to-60-0 DEG C, then sequentially adding o-aminophenyl nitrone, propargyl alcohol ester and alkali, and reacting for 6-48 hours to obtain the chiral polysubstituted hydroquinoline compound as shown in a formula 1 or 2. According to the present invention, the chiral polysubstituted hydroquinoline compound is synthesized by using the o-aminophenyl nitrone and the propargyl alcohol ester as the reactants through the catalysis of the cheap metal copper catalyst and the chiral ligand, and the method has advantages of simple operation, low cost, excellent enantioselectivity and excellent diastereoselectivity. # imgabs0 #

The invention discloses a synthesis method of a chiral propargyl-containing alpha-fluoro-substituted pyridine acetate compound, which comprises the following steps: in an organic solvent, under the catalysis of a nickel / copper bimetallic system and in the presence of alkali, carrying out asymmetric propargylation reaction on an alpha-fluoro-substituted pyridine acetate compound I and a propargyl alcohol ester compound II to obtain the chiral propargyl-containing alpha-fluoro-substituted pyridine acetate compound with high yield. The chiral propargyl-containing alpha-fluoro-substituted pyridine acetate compound III is obtained through high enantiomer and diastereomer selectivity, and has good functional group tolerance; the nickel catalytic system is composed of metal nickel and a chiral ligand, and the chiral ligand has a structure as shown in a formula IV; the copper catalyst system is composed of a copper salt and a chiral ligand, and the chiral ligand has a structure as shown in a formula V.

The invention discloses a method for synthesizing phenyl propargyl fluorine compounds from sulfur hexafluoride, and belongs to the technical field of organic intermediate synthesis. The synthesis method comprises the following steps: placing a phenyl propargyl alcohol compound, a photocatalyst, a base, and a solvent in a reaction vessel, filling with sulfur hexafluoride gas, and reacting under light conditions to obtain a phenyl propargyl fluorine compound. Beneficial effect: Compared with other methods for synthesizing propargyl fluorine compounds, the reaction conditions of the present invention are mild, the reaction raw materials used (including propargyl alcohol and N,N-diisopropylethylamine) are cheap and easy to obtain, and SF6 gas can be well utilized with lower energy under blue light irradiation. The reaction has the characteristics of low cost, low energy consumption and environmental friendliness.

The invention discloses a 1, 1, 4-triaryl-1, 3-eneyne derivative and a synthesis method of the 1, 1, 4-triaryl-1, 3-eneyne derivative. According to the method, o-bromostilbene and propargyl alcohol are taken as initial raw materials, transition metal palladium salt is taken as a catalyst, a 1, 1, 4-triaryl-1, 3-eneyne skeleton is constructed in one step through 1, 4-palladium migration / beta-carbon fragmentation / reduction elimination under an alkaline condition, a series of 1, 1, 4-triaryl-1, 3-eneyne derivatives are generated, and the obtained 1, 3-eneyne derivatives contain conjugated olefin and alkyne units and have the advantages that the conjugated olefin and alkyne units have the structure represented by the formula (I); the block has rich reactivity and is an important synthetic block in organic synthesis. The method has the advantages of easily available raw materials, simple operation, mild synthesis reaction conditions, high reaction efficiency and diversity of functional groups.