496 results about "Atom economy" patented technology

The invention relates to the field of organic photoelectricity, and discloses an asymmetric benzotriazole high-efficiency fluorescent isomer for a light conversion film and a synthesis method of the asymmetric benzotriazole high-efficiency fluorescent isomer. The optimal excitation wavelength of the compound is about 280-290 nm, the maximum absorption peak is about 280-350 nm, the strongest emission peak is about 370-440 nm, and the molar extinction coefficient is greater than 20000 L / (mol.cm). The proportion of two isomers generated during hydrogen substitution on a nitrogen atom of benzotriazole is close to 1: 1, and at present, only symmetric products are utilized in most researches, so that the research blank of asymmetric isomers is filled, and the asymmetric products are proved to have efficient fluorescence performance. When the light conversion film is prepared, the asymmetric product can be independently used as a light conversion agent, and the two isomers can be blended according to any proportion to be used as the light conversion agent, so that the atom economy is fully improved, and the method has great significance on future basic research and industrial application.

The invention relates to an aliphatic copolyester elastomer and a preparation method thereof, and belongs to the field of high polymer materials. The elastomer is prepared through a series ring-opening copolymerization reaction of epoxide and cyclic anhydride, and the method comprises the following steps: under the action of a metal-free catalyst (a phosphazene ligand P1-tert-octyl / triethyl boron system) and an initiator (terephthalyl alcohol), carrying out a series ring-opening copolymerization reaction on epoxide and cyclic anhydride, the preparation method comprises the following steps: reacting epoxide (such as epoxypropane and allyl glycidyl ether) with aliphatic anhydride (such as glutaric anhydride) in a xylene solvent to generate a polyester prepolymer retaining an active end; adding a second group of epoxide (such as cyclohexene oxide) and anhydride (such as tetrahydrophthalic anhydride and norbornene dianhydride), continuously reacting to form a block copolymer, and then crosslinking. The material performance can be regulated by changing the monomer combination, the atom economy is high, and the raw materials can be produced on a large scale. The process is simple and environment-friendly, and a new choice is provided for application of the degradable elastomer in the fields of medical treatment, environmental protection and the like.

Disclosed in the present invention are a hard carbon material and a preparation method therefor and the use thereof, and a battery. The preparation method for the hard carbon material comprises: mixing a solution containing PVC and an aromatic compound under heating conditions until a solvent is completely evaporated to dryness, so as to obtain an xerogel, wherein the mass ratio of the aromatic compound to the PVC is 2-25%; grinding, washing and drying the xerogel, so as to obtain a dehalogenated-PVC precursor; and carbonizing the dehalogenated-PVC precursor, so as to obtain the hard carbon material, wherein the carbonization is performed at a temperature of 700-1200°C for 1-4 h. The hard carbon material prepared in the present invention has relatively high atom economy and high electron conductivity, and has good electrochemical performance when being used for the preparation of a battery.

The application discloses a catalyst for preparing polyoxymethylene dimethyl ethers by directly oxidizing methanol, a preparation method and application thereof, and belongs to the field of catalyst preparation and application. The metal oxide and the acidic molecular sieve are effectively coupled to prepare a bifunctional composite catalyst with a core-shell structure, the composition and proportion of the metal oxide and the acidic molecular sieve are regulated, and high-selectivity synthesis of polyoxymethylene dimethyl ethers by directly oxidizing methanol is realized. The unique core-shell structure can effectively regulate the distance and distribution between the two types of active sites, significantly promote the gradual chain growth of methanol oxidation, and obviously inhibit the occurrence of side reactions such as methanol dehydration to dimethyl ether and deep methanol oxidation, so that the high-selectivity synthesis of polyoxymethylene dimethyl ethers by directly oxidizing methanol is realized. The catalyst preparation process is simple and easy to operate, and the one-step oxidation of methanol to prepare polyoxymethylene dimethyl ethers has the advantages of short flow, good atom economy and green process.

The invention belongs to the technical field of organic synthesis, and relates to a preparation method of 5, 5-dimethyl-4, 5-dihydroisoxazole. The method comprises the following steps: (1) reacting isopentenal with an oximation agent to obtain a reaction solution containing isopentenal oxime; (2) dropwise adding the reaction liquid into a mixture containing isopentenal and an acid catalyst for reaction to obtain a product; or when the reaction liquid contains water, performing phase splitting on the reaction liquid to obtain an organic phase, and dropwise adding the organic phase into a mixture containing the isopentenal and the acid catalyst for reaction to obtain a product. The method does not produce ketone by-products, and is good in atom economy, high in reaction yield, good in technological process continuity, low in cost, few in materials, simple to operate, mild in reaction condition, low in requirements on production equipment and suitable for large-scale industrial production.

The invention relates to the technical field of organic synthesis, in particular to a preparation method of 1, 3-divinyl-1, 1, 3, 3-tetramethyldisiloxane. The preparation method comprises the following steps: S1, acetylene and dimethylchlorosilane are subjected to a hydrosilylation reaction under the action of a platinum monatomic catalyst, and a mixture is obtained; s2, pressurizing the mixture to 0.1-0.2 MPa, and condensing through a condenser; s3, the gas phase is recycled, and the liquid phase part is subjected to rectification separation to obtain vinyl dimethyl chlorosilane; s4, carrying out countercurrent reaction on the vinyl dimethyl chlorosilane and water, so as to generate a 1, 3-divinyl-1, 1, 3, 3-tetramethyldisiloxane crude product and hydrochloric acid; and S5, rectifying the crude product to obtain a pure product. The invention provides the preparation method of the 1, 3-divinyl-1, 1, 3, 3-tetramethyldisiloxane, which is high in atom economy and simple and convenient to operate, and meanwhile, the requirements of high selectivity, low environmental load and low cost are met.

The present invention belongs to the field of functional resins and specifically relates to a lignin-modified dicyclopentadiene phenol resin and a preparation method thereof. The present invention utilizes phenol to phenolate bamboo lignin under alkaline conditions, and then uses methanesulfonic acid to catalyze the reaction of the phenolated bamboo lignin, phenol, and dicyclopentadiene to prepare the dicyclopentadiene phenol resin. This reduces the amount of phenol used in the dicyclopentadiene phenol resin and improves its heat resistance, corrosion resistance, and other properties, resulting in high bonding strength, friction resistance, and electrical insulation. Furthermore, the preparation method is simple, the reaction conditions are mild, and the production cost is low, meeting the environmental protection needs of modern society while also adhering to the principles of green chemistry and chemical atom economy.

The invention discloses a preparation method of 6-nitro-m-cresol, and belongs to the technical field of organic synthesis.The method comprises the steps that raw materials are subjected to esterification, water washing, sulfonation, nitration, desulfonation and refining in sequence, and the 6-nitro-m-cresol is obtained. According to the method, it can be guaranteed that the intermediate product is the 6-nitro derivative, generation of isomer impurities such as 2-site and 4-site is greatly reduced from the source, the reaction path is clear, and atom economy is good. The method does not need to depend on complicated means such as time-consuming column chromatography or precise fractionation, the requirement for high purity can be met only through conventional extraction and crystallization operation, the technological process is simple, the method is very suitable for large-scale production, and the product purity (measured through HPLC (High Performance Liquid Chromatography)) can stably reach 98% or above.

The invention relates to a synthesis method of a branched chain type allyl alcohol compound, which comprises the following steps: under the protection of nitrogen, taking different substituted terminal alkyne and formalin as raw materials, taking metal cobalt salt and an organic ligand as catalysts, taking Hanus ester as a reducing agent, and carrying out a reaction in the presence of an organic solvent and a photosensitizer to obtain the branched chain type allyl alcohol compound. And carrying out illumination reaction to obtain the branched chain type allyl alcohol compound. According to the method, reaction raw materials and reagents are simple and easy to obtain, conditions are mild and easy to control, atom economy is high, precious metal catalysis is not needed, the substrate application range is wide, regioselectivity is high, and wide application prospects are achieved.

The invention belongs to the technical field of synthesis of 2, 3-dipicolinic acid, and relates to a catalyst for synthesizing 2, 3-dipicolinic acid as well as a preparation method and application thereof, the catalyst is prepared from a carrier, and active components and auxiliaries loaded on the carrier; the carrier is boron nitride modified aluminum oxide, the active component is palladium-cobalt bimetal, and the auxiliary agent is magnesium; the catalyst comprises the following components in percentage by mass: 0.2 wt%-3wt% of palladium, 0.5 wt%-4wt% of cobalt, 0.05 wt%-0.3 wt% of magnesium, 5wt%-15wt% of boron nitride and the balance of an aluminum oxide carrier. The catalyst is prepared by adopting an ultrasonic-assisted sol-gel method, so that high dispersion and strong interaction of active components are realized. The catalyst shows high catalytic activity, high selectivity and excellent stability in a dichloropyridine carbonylation reaction, carbon monoxide is used as a carbonyl source, the atom economy is high, and the green chemical requirement is met.

The invention discloses a method for synthesizing a benzodithiepinone derivative through metal-free catalysis, and belongs to the field of organic synthesis. According to the method, benzo disulfonylphenol ketone and alkyne are taken as raw materials, a dual-catalysis system composed of triethylene diamine and bis (diphenylphosphine) methane is adopted, a heating reaction is performed in a 1, 4-dioxane solvent, and the target seven-membered sulfur heterocycle (benzo [e] [1, 4] dithiepin-5-ketone compound) is obtained through separation and purification. According to the method, the problem of regioselective sulfuration of alkyne is effectively solved through a synergistic catalysis mechanism of organic amine and organic phosphine, and high-precision cyclization reaction of benzobissulfonylphenol ketone and alkyne is realized. The process is mild in reaction condition, free of inert gas protection, simple and convenient to operate and good in functional group tolerance, the atom economy can reach 100%, and an efficient and practical synthesis way is provided for construction of the benzo [e] [1, 4] dithiepin-5-ketone compound with a novel structure.

The application discloses a mass transfer enhanced gas-liquid reactor, which is characterized in that a feeding inlet and a tail gas outlet are arranged on a reactor shell, and a discharging outlet is arranged at the bottom; a stirring device comprises at least one group of stirring paddles arranged in the reactor shell; a gas distribution device is fixedly connected in the reactor shell and comprises an outer cover with an upper opening and a lower opening and a gas distributor sleeved in the outer cover, a gas-liquid passage with an annular cross section is formed between the outer cover and the gas distributor, a longitudinal section of the gas-liquid passage is S-shaped, a gas distribution hole is arranged on the side, and a gas inlet pipe is communicated with the gas distribution hole. The mass transfer enhanced gas-liquid reactor has the advantages of promoting the dissolution and transmission of gas, greatly improving the gas atom economy, saving energy, uniform stirring, complete fermentation, fast reaction speed and the like.

The invention discloses tetraacetyl dicyclopropyl hexaazaisowurtzitane, a preparation method thereof and a synthesis method of HNIW, and belongs to the technical field of chemical synthesis. The tetraacetyl dicyclopropyl hexaazaisowurtzitane disclosed by the invention is a novel hexaazaisowurtzitane derivative, and the preparation method of the tetraacetyl dicyclopropyl hexaazaisowurtzitane has the advantages of short reaction steps, simplicity in operation, easily available raw materials and industrial application potential. The tetraacetyl dicyclopropyl hexaazaisowurtzitane disclosed by the invention can be used for synthesizing hexanitrohexaazaisowurtzitane (HNIW) in one step through nitration, so that the synthesis process is simplified, and the production cost is reduced; the specific gravity of the leaving group cyclopropyl in the cyclopropylamine raw material is small, the atom economy is good, the utilization rate of the raw material is high, waste discharge is reduced, and the method conforms to the environmental protection concept of green economy.

The application discloses a kind of S-delta-substituted caprolactam chemical / enzyme series preparation method, and the specific preparation method is: 1-substituted high allyl amine occurs dynamic kinetic resolution reaction with acrylic ester compound under the catalysis of alkaline protease (special treatment) and generates S-acryl (1-substituted high allyl) amine, then the product occurs intramolecular olefin metathesis under the catalysis of Grubbs reagent and finally generates S-delta-substituted caprolactam shown in formula (1), wherein, substituent R is phenyl, halogenated phenyl or C2-C12 alkyl.The application has mild reaction condition, is conducive to reducing the equipment requirement of preparation process, improves synthesis safety and economy;Secondly, the reaction course of the method is simple, and single configuration S-delta-substituted caprolactam can be obtained by one-pot reaction, with very high atom economy.

The invention relates to a sulfur-containing tryptophan cyclic peptide compound as well as a synthesis method and application thereof. The synthesis method comprises the following steps: carrying out electrolytic reaction on a tryptophan peptide compound with a structure as shown in a formula I or a stereoisomer thereof and a thiosulfonate compound with a structure as shown in a formula II to obtain the sulfur-containing tryptophan cyclic peptide compound with a structure as shown in a formula III or a stereoisomer thereof. The sulfur-containing tryptophan cyclic peptide compound can be obtained by directly electrolyzing the tryptophan peptide compound by adopting an electrochemical method, so that the use of a transition metal catalyst and stoichiometric alkali is avoided, the generation of chemical wastes is avoided, and the realization of atom economy is facilitated. The method has the advantages of simple operation, high product purity, easy purification, high efficiency and yield, low production cost, mild reaction conditions, no need of inert gas protection, greener reaction system, environmental protection, safety, economy, energy saving and environmental protection, and is more conducive to realization of industrial production.

The invention belongs to the technical field of medicine synthesis processes, and particularly relates to a preparation method of high-yield and high-purity tandospirone citrate. According to the method, pyrimido piperazine quaternary ammonium salt and isoindoledione are used as raw materials, a toluene and n-butanol and / or n-amyl alcohol mixed solvent is used as a solvent, tandospirone can be generated under the alkaline condition without adding a phase transfer catalyst, after acid adjustment extraction and specific organic solvent reverse phase impurity removal, a water phase is adjusted to be alkaline, and the tandospirone is obtained. And extracting with toluene, and adding a citric acid ethanol solution to directly separate out a citric acid tandospirone solid. The preparation process disclosed by the invention has a very good impurity removal effect, and the obtained tandospirone citrate is high in purity, high in process yield, good in atom economy and low in output of three wastes.

The application discloses a preparation method of a phenylacetic acid compound, and particularly, the application uses a substituted or unsubstituted aromatic hydrocarbon as a starting material, and under the action of a palladium catalyst (such as palladium acetate, palladium on carbon, palladium chloride, tetra-triphenyl palladium, etc.), the starting material is reacted with formaldehyde, HCl (aq) and CO to efficiently generate the phenylacetic acid compound. The method disclosed by the application only needs to start from the aromatic hydrocarbon, greatly reduces the difficulty and cost of obtaining the raw material, and avoids stimulating, sensitizing or toxic raw materials. Compared with the prior art, the method disclosed by the application has the advantages of simplicity and efficiency, cheap and easy-to-obtain raw materials, high atomic economy, high yield, green and pollution-free, easy industrialization and the like.

The invention discloses a preparation method of an omariglone key intermediate, which comprises the following steps: under the common catalytic action of a catalyst and a ligand, taking 4-bromo-2, 6-dimethyl fluorobenzene and hydrazine hydrate as initial raw materials, adding an additive and a solvent, and synthesizing the omariglone key intermediate under a heating condition. The preparation method provided by the invention is simple to operate, mild in reaction condition and high in atom economy, the synthesis cost is reduced, and industrial-grade large-scale production is realized.

The invention relates to a co-production preparation method of dialkyl phosphate and tetraalkyl ammonium sulfate, which comprises the following steps: trialkyl phosphate and trialkylamine are subjected to a first reaction at a first temperature, then a reaction system and excessive sulfuric acid are subjected to a second reaction at a second temperature in the presence of water, and the first temperature is higher than the second temperature; after the reaction is finished, adding an extracting agent to extract the system, and separating to obtain an organic phase and a water phase; removing the extracting agent in the organic phase to obtain dialkyl phosphate; adding tetraalkyl ammonium hydroxide into the water phase until the water phase is neutral or nearly neutral to obtain a water solution containing tetraalkyl ammonium sulfate. According to the method, the dialkyl phosphate can be obtained, the tetraalkyl ammonium sulfate salt with high added value can be obtained, the raw materials are easy to obtain, the process route is simple, the atom economy is high, the method is environment-friendly, the operation is simple, and the cost is low.

This invention belongs to the field of medicinal chemistry technology, specifically relating to a continuous preparation method of β-lactamase inhibitor intermediates using a fixed-bed reactor and its application in drug production. This method features good atom economy, low heavy metal residue, intrinsic safety, and ease of industrial-scale production.

The invention provides a method for preparing a chiral helicene compound through cyclization reaction of an iridium-catalyzed 3-aryl indazole biaryl compound and disubstituted alkyne. The method comprises the following steps: under the action of an iridium catalyst, a chiral cyano phosphorus-oxygen ligand and an additive, carrying out an intermolecular asymmetric carbon-hydrogen bond activation reaction on a 3-aryl indazole biaryl compound and disubstituted alkyne, and after the reaction is finished, separating to obtain the chiral diazaspirene-containing compound, according to the invention, synthesis of the chiral helicene compound is realized through a transition metal catalysis asymmetric carbon-hydrogen bond activation method, the research technology of Cp metal catalysis asymmetric carbon-hydrogen bond activation is further developed, and the synthesis strategy of the chiral helicene compound is expanded at the same time; reaction substrates are wide in universality, and chiral control in the reaction process is realized through the chiral cyano phosphine oxide, so that the product has very high enantioselectivity; various chiral helicene compounds are synthesized, the synthesis method is simple and convenient, and the atom economy is high.

This invention relates to the field of organic synthetic chemistry, specifically to a polysubstituted furan compound and its synthetic method, wherein the method comprises... β Using ketone sulfones and olefins as starting materials, polysubstituted furans are synthesized via a [3+2] cycloaddition reaction in the presence of a copper catalyst and an oxidant. This invention employs cuprous bromide as the catalyst and di-tert-butyl peroxide (DTBP) as the oxidant, reacting in dimethyl sulfoxide solvent at 100°C–130°C for 6–24 h. This method offers advantages such as high atom and step economy, broad substrate applicability, good functional group tolerance, excellent position selectivity, and high yield, with a maximum yield reaching 84%. It is suitable for large-scale synthesis and provides a new strategy for the synthesis of furans in medicinal chemistry and materials science.

The invention discloses a preparation method of end-group-functionalized polyoxazoline, which comprises the following steps: mixing a weak Bronsted acid initiator, an ion exchange catalyst and an oxazoline monomer, and carrying out cationic ring-opening polymerization reaction to obtain the end-group-functionalized polyoxazoline. The preparation method of the end group functionalized polyoxazoline has the advantages of simple and convenient operation process, low equipment requirement, high atom economy, wide compatibility range of functional groups, high functionalization efficiency, low cost and the like, and the adopted initiator weak Bronsted acid is high in commercialization degree, diversified in structure and wide in source; and finally, the polyoxazoline with the functionalized end group, which is controllable in molecular weight, narrow in molecular weight distribution, adjustable in topological structure and adjustable in performance, can be prepared.

The present invention belongs to the technical field of electrocatalytic preparation of xanthene derivatives. The present invention provides a method for electrocatalytically preparing 9-(phenylsulfonyl)-xanthene derivatives, including: adding aryl diazonium tetrafluoroborate derivatives, xanthene, DABSO, tetrabutylammonium hexafluorophosphate, acetonitrile and acetic acid in an electrolytic cell, passing a direct current, and reacting for 2 hours at a certain temperature and under nitrogen protection conditions. The present invention adopts electrocatalytic synthesis of 9-(phenylsulfonyl)-xanthene, which uses electric current as an oxidant, does not require an external oxidant and other metal catalysts, and also provides higher catalytic activity and lower reaction energy barrier for the reaction; and there is no need to pre-functionalize the substrate, with high atom economy and good functional group tolerance, so various substituted 9-(phenylsulfonyl)-xanthene can be obtained with good yield. In the reaction, low-toxicity and economical acetonitrile is used as a solvent, which avoids the use of highly toxic solvents and is green and environmentally friendly.

The invention provides a green preparation method and application of diphenyl phosphine oxide. The preparation method comprises the following steps: step 1, mixing diphenyl alkoxy phosphine, water and Lewis acid, and fully stirring for reaction to obtain a reaction solution containing diphenyl phosphine oxide and alcohol; step 2, distilling the reaction liquid, washing with water, standing, separating liquid, collecting an organic phase, drying the organic phase, and cooling and crystallizing to obtain diphenylphosphine oxide; and step 3, rectifying and purifying the distilled alcohol, and pumping the distilled acid and water washing liquid into a reaction kettle for cyclic catalysis. The diphenylalkoxyphosphine is used as a raw material and is subjected to hydrolysis reaction with water under the catalysis of the lewis acid to generate diphenylphosphine oxide and alcohol, the lewis acid can be continuously returned to the reaction kettle to participate in the reaction after being subjected to subsequent distillation, the synthesis process is simple, the atom economy is high, the reaction principle is simple, the conditions are easy to control, and the method is green and environment-friendly and can be used for industrial production.

The invention discloses a preparation method of an intermediate of macloxvir. The preparation method comprises the following steps: step 1, carrying out halogenation reaction; step 2, elimination reaction; step 3, addition reaction; step 4, ring closing reaction; the starting raw materials, the solvent and the catalyst selected in the invention are industrial-grade cheap and easily available products, have the advantage of low production raw material cost, and provide economic feasibility support for industrial large-scale production; reaction conditions of each step in the reaction process are mild, byproducts are few, the yield is high, and a target product can be prepared more efficiently; meanwhile, the synthesis route is high in atom utilization rate and excellent in atom economy, the used solvent and reagent are high in stability and easy to recycle and reuse, generation and emission of industrial three wastes are greatly reduced, the environment-friendly treatment cost is reduced, and the concept of green chemistry and sustainable development is met; the method gives consideration to economy, high efficiency and environmental friendliness, and solves the problems of low yield, violent reaction conditions and high cost of raw materials and auxiliary materials in the existing method.

This invention relates to the field of chemical synthesis technology, specifically disclosing a method for preparing vinyl ethylene carbonate. The method uses glycidyl as a starting material, first converting it to glycidaldehyde via a mild oxidation reaction with high selectivity. Then, using a cross-linked imidazole polymeric ionic liquid as a catalyst, glycidaldehyde undergoes an atom-economical cycloaddition reaction with carbon dioxide to construct a cyclic carbonate intermediate. Finally, under catalytic conditions, a condensation reaction introduces a vinyl functional group to obtain the vinyl ethylene carbonate product. This invention uses widely available, low-toxicity, and inexpensive glycidyl instead of highly toxic raw materials, and utilizes greenhouse gas carbon dioxide as a carbonyl source for resource utilization. The process route is highly atom-economical, the reaction conditions are mild, and the catalyst is easy to separate, recover, and recycle, effectively solving the prominent problems of high raw material toxicity, expensive catalysts, and difficult byproduct treatment in traditional preparation techniques.

The divisional application provides a method for breaking and forming a tetravalent uranium photocatalytic carbon-carbon bond, which comprises the following steps: dissolving a tetravalent uranium catalyst with a molecular formula of L-U (NO3) 3 (OMe) in an organic solvent in an environment of-40 DEG C to 80 DEG C under the conditions of inert gas and blue light with a light source of 440-450 nm; and then adding olefin with a chemical structural formula shown in the specification and cyclic alcohol with a chemical structural formula shown in the specification for reaction to obtain a product. According to the forming method, tetravalent uranium serves as a photocatalyst, olefin which is almost not reacted originally reacts with cyclic alcohol with ring tension, the conversion rate of the reaction is increased, the conversion rate can reach 99% at most, and the excellent yield and the high atom economy are achieved.

The invention belongs to the technical field of organic synthetic chemistry, and discloses a preparation method of an aromatic ketone compound, which comprises the following steps: by taking an unsaturated carbonyl compound obtained by condensing aryl acetaldehyde / acid and aldehyde / ketone molecules as a precursor, carrying out a reaction on the unsaturated carbonyl compound in the presence of a free radical precursor and molecular oxygen under the conditions of illumination and / or heating to obtain the aromatic ketone compound. And carrying out free radical mediated decarbonylation functionalization reaction in an organic solvent to obtain the aromatic ketone compound. The functional group contained in the free radical precursor is introduced to the alpha position of the ketone compound. By improving reaction participants and a reaction mechanism, the aromatic ketone compounds with various structures can be efficiently and highly selectively constructed in one step, the functionalization of the alpha position of the aromatic ketone compounds is synchronously realized, and the preparation method which is simple and convenient to operate, high in atom economy, green and environment-friendly is provided for the aromatic ketone compounds; the obtained compound is especially applicable to the fields of drug synthesis and synthesis of other materials.

The application belongs to the technical field of chemical synthesis, and particularly relates to a synthesis method of 2-aryl-2-cyclohexanedione enol ester compounds. The method uses a transition metal complex as a catalyst, and uses a phenyl boronic acid compound and an iodine onium compound as raw materials, first synthesizes a 3-hydroxy-2-aryl-2-cyclohexenone compound, and then synthesizes the 2-aryl-2-cyclohexanedione enol ester compound through acylation. The reaction condition is mild, no additional additives (such as alkali-sodium acetate, expensive silver salt-silver acetate, etc.) need to be added, the C-C bond can be efficiently and quickly constructed, the 2-aryl-2-cyclohexanedione cyclization derivative is obtained, the reaction operation is simple, the reaction time is short, the method has high efficiency and high safety, the substrate range is wide, the functional group tolerance is good, the method conforms to the concept of green chemistry and high atomic economy, and is very suitable for large-scale industrial production.