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31 results about "Methyl anthranilate" patented technology

Methyl anthranilate, also known as MA, methyl 2-aminobenzoate, or carbomethoxyaniline, is an ester of anthranilic acid. Its chemical formula is C₈H₉NO₂. It has a fruity grape smell, and one of its key uses is as a flavoring agent.

Methyl anthranilate emulsifying device

ActiveCN224127136UMixing methodsTransportation and packagingBenzoic acidMethyl anthranilate
The utility model relates to a methyl anthranilate emulsifying device, which belongs to the technical field of emulsifying equipment and comprises a colloid mill, a bottom plate, a feed hopper, a discharge pipe, a return pipe, a support, a premixing tank, a blanking pipe, a raw material inlet pipe, a cover plate, a first supporting sleeve and a second supporting sleeve. And a section of corrugated pipe I is arranged on the blanking pipe. According to the colloid mill disclosed by the utility model, methyl anthranilate is refined and emulsified in a water phase under the action of grinding and shearing, and the methyl anthranilate and other materials are fully premixed before the materials enter the colloid mill, so that the materials can quickly achieve a good emulsification effect in the colloid mill, the emulsification efficiency is improved, and the production cost is reduced. The detachable cover plate is arranged at the top of the feeding hopper of the colloid mill, so that dust is prevented from entering the feeding hopper during emulsification, and the cleanliness can be improved.
Owner:SHANDONG LISHUO PETROCHEMICAL CO LTD

Synthetic method of hydroxyphenyl propionamide benzoic acid

The embodiment of the invention discloses a synthetic method of hydroxyphenyl propionamide benzoic acid, which comprises the following steps: generating an ester ammonia exchange intermediate from methyl 3-(3, 5-di-tert-butyl-4-hydroxyphenyl) propionate and methyl anthranilate under the action of a first catalyst; and carrying out alkali dissolution and acid precipitation on the ester ammonia exchange intermediate under the action of a second catalyst to generate hydroxyphenyl propionamide benzoic acid.
Owner:HEBEI BINGFAN BIOTECHNOLOGY CO LTD

Sulfonation-chlorination two-step continuous preparation process of bentazone intermediate

The invention discloses a bentazone intermediate sulfonation-chlorination two-step continuous preparation process which comprises the following steps: continuously metering and adding a solvent, chlorosulfonic acid, triethylamine, isopropylamine and a catalyst into a first-section tubular reactor, and carrying out sulfonation reaction to obtain a reaction material isopropylaminosulfonic acid; continuously introducing the reaction material isopropylamine sulfonic acid into a second section of tubular reactor, and simultaneously continuously metering and adding methyl anthranilate and phosphorus oxychloride for chlorination reaction; after the reaction is finished, quenching the reaction liquid with water, and carrying out layering and distillation treatment to obtain an intermediate o-isopropylamine sulfonamide methyl benzoate solid; and carrying out ring-closure reaction on the intermediate o-isopropylamino sulfonamido methyl benzoate solid and sodium methoxide in a methanol solution to prepare the bentazone active compound. According to the method, the defects of low bentazone product content and poor yield caused by high temperature of intermittent sulfonation and chlorination are effectively overcome, the operation time is shortened, and the productivity is improved.
Owner:GANSU WEST XINYU CHEM CO LTD

Settling separation device

The utility model relates to the technical field of preparation of methyl anthranilate, and discloses a settling separation device which comprises a settling box, a box cover is arranged at the top of the settling box, a material guide boss is installed at the bottom in the settling box, flow guide blocks are arranged on the periphery of the inner wall of the settling box, the material guide boss is located in the middle of the flow guide blocks, and the material guide boss is located in the middle of the flow guide blocks. A material gathering cavity is formed between the material guide boss and the flow guide block; a scraping structure is further arranged in the settling box; through the arrangement of the material guide boss and the flow guide block, a material gathering cavity can be formed at the bottom in the settling box, methyl ester phases can be gathered, and the inner wall of the material gathering cavity can be scraped by utilizing the material scraping structure, so that on one hand, the methyl ester phases can be quickly discharged, methyl ester phase residues are avoided, and resource waste is prevented; on the other hand, the cleaning difficulty of the settling box is reduced, efficient cleaning of the settling separation device can be facilitated, and use of the settling separation device is facilitated.
Owner:PINGDINGSHAN CHUANGLIAN ZHONGXIN TECHNOLOGY CO LTD

A distillation device for producing methyl anthranilate

The utility model relates to a distillation device for methyl anthranilate production belongs to distillation equipment technical field, including distillation column, heating box, heater, steam outlet pipe, condenser, a plurality of support filter plates are fixed in the distillation column, the top of support filter plate is equipped with the filler layer, the top of intermediate filler layer is equipped with liquid inlet pipe, the condenser includes condensing box, and the condensing box is connected with inlet steam pipe and outlet steam pipe, and the inlet steam pipe is connected with the steam outlet pipe between the flow guide pipe, and the outer end of flow guide pipe is spirally wound with cooling air pipe, a plurality of liquid discharge pipes are equipped at the bottom of condensing box, and the liquid discharge pipe close to inlet steam pipe is connected with the return pipe, and the other end of return pipe is connected to the upper part of the uppermost filler layer, the utility model makes methyl anthranilate and other impurities more fully separate, has improved distillation efficiency significantly, first utilizes the air cooling to carry out the preliminary cooling to steam, reduces the load of water cooling system, promotes the purity, and the tower top temperature will not cause the sudden drop when refluxing, influences the distillation effect.
Owner:SHANDONG LISHUO PETROCHEMICAL CO LTD

Masking agent

An agent containing at least one aroma compound selected from the group consisting of E-beta-damascone, S-(2-methyl-3-furyl)ethanethioate, beta-caryophyllene oxide, beta-ionone, 2,5-dihydroxy-1,4-dithiane, methyl anthranilate, S-furfuryl thioformate, 1-isothiocyanate-3-(methylthio)propane, nootkatone, 1,4-dioxacycloheptadecane-5,17-dione, sclareol, and sclareolide is effective for masking an unpleasant smell and for making oral products in which an unpleasant smell is masked.
Owner:AJINOMOTO CO INC

Method for synthesizing 2, 3-disubstituted quinazolinone based on NHC-palladium catalytic oxidative coupling

The invention discloses a method for synthesizing 2, 3-disubstituted quinazolinone based on NHC-palladium catalytic oxidative coupling. A methyl anthranilate derivative, a non-tert-butyl isocyanide derivative and an arylboronic acid derivative are taken as substrates, the molar ratio is 0.5: 1.2: 1.0, a reaction is performed for 24 hours in a sealed tube at the temperature of 100 DEG C under the protection of nitrogen in an NHC-palladium catalyst, a copper acetate oxidizing agent and a DMF (Dimethyl Formamide) solvent, and a product is obtained through silica gel column chromatography purification. The method solves the problems of narrow substrate, low atom economy and the like in the prior art, is compatible with electron donating / withdrawing and halogen groups, has the yield of 47-97% and mild conditions, and is suitable for efficient synthesis of active heterocyclic compounds in the field of medicines.
Owner:CHIZHOU UNIV

A kind of methyl anthranilate production washing device

The utility model relates to a kind of methyl anthranilate production water washing devices, belong to water washing equipment technical field, including neutralization tank, stirring equipment, effluent pipe, centrifugal extractor one, water washing tower, filler layer, water distributor, effluent pipe is connected with centrifugal extractor two, the top of neutralization tank is equipped with conical distribution inner tube, the outside of distribution inner tube is equipped with circular outer tube, the bottom of circular outer tube and distribution inner tube fixed place evenly are equipped with multiple connecting neutralization tank liquid guide pipe, the top of circular outer tube is fixed with liquid inlet pipe, and material inlet pipe and sodium carbonate solution inlet pipe are connected on liquid inlet pipe.The utility model makes reaction liquid and sodium carbonate solution can be fully mixed and evenly distributed before entering neutralization tank, combined with the stirring effect of stirring equipment, greatly improve the efficiency and sufficiency of neutralization reaction, improve separation efficiency, significantly increase two-phase contact area, and water washing efficiency is improved.
Owner:SHANDONG LISHUO PETROCHEMICAL CO LTD

A protein for generating methyl anthranilate, an aroma component of tea leaves, and a gene and application thereof

The application belongs to the technical field of biological gene engineering, and particularly relates to a protein for generating methyl o-aminobenzoate, a gene thereof and application. S A protein for generating methyl o-aminobenzoate from adenosylmethionine and o-aminobenzoate, wherein the amino acid sequence of the protein is shown as SEQ ID NO. 2. The experiment of the application proves that methyl o-aminobenzoate methyltransferase CsAAMT is found in a new tea variety 'Zhongchaxiangning', the gene corresponding to the protein is expressed in Escherichia coli, and the purified recombinant protein has the activity of catalyzing S o-aminobenzoate from adenosylmethionine and o-aminobenzoate, and further, the tea leaves without the aroma component can release methyl o-aminobenzoate by transiently overexpressing the gene in tea leaves.
Owner:TEA RESEARCH INSTITUTE CHINESE ACADEMY OF AGRICULTURAL SCIENCES

Masking agent

To provide a masking agent for unpleasant odors derived from plants, in particular a grassy odor of soybean and an unpleasant odor derived from fats and oils of processed meat products (such as a hexanal odor), a method for masking unpleasant odors using the compound, and a method for producing an oral product in which unpleasant odors are masked.SOLUTION: The present invention provides an unpleasant-odor masking agent for oral products which contains at least one aroma compound selected from the group consisting of E-beta-damascone, S-(2-methyl-3-furyl) ethanethioate, beta-caryophyllene oxide, beta-ionone, 2,5-dihydroxy-1,4-dithiane, methyl anthranilate, S-furfuryl thioformate, 1-isothiocyanate-3-(methylthio)propane, nootkatone, 1,4-dioxacycloheptadecane-5,17-dione, sclareol, and sclareolide.SELECTED DRAWING: None
Owner:AJINOMOTO CO INC

Bird repelling composition containing citronellol as well as preparation method and application of bird repelling composition

PendingCN121817186ABiocidePest repellentsBenzoic acidMethyl anthranilate
The invention discloses a bird repelling composition containing citronellol and a preparation method and application thereof, and relates to the field of pesticides, the effective components of the bird repelling composition comprise methyl anthranilate and citronellol, and the weight ratio of methyl anthranilate to citronellol is 9: 1-1: 9. According to the bird repelling composition disclosed by the invention, the methyl anthranilate and the citronellol are compounded, so that the bird repelling composition has a remarkable synergistic effect and an outstanding repelling effect on various birds.
Owner:GAUNGXI TIANYUAN BIOCHEM

Cinnamic amide derivatives containing quinazoline and piperazine units, and preparation method and application thereof

PendingCN122647401ABenzoic acidBenzyl chloride
The application belongs to the field of pesticides, and discloses a compound with the structure of formula I, a preparation method of the compound, and the compound is prepared by the following steps: reacting piperazine and piperazine dihydrochloride in hot ethanol, then sequentially reacting with different benzyl chlorides and sodium hydroxide solution to obtain corresponding monosubstituted piperazine; subsequently, methyl anthranilate is sequentially reacted with formamide, sulfoxide, coumarin molecules hydrolyzed by sodium hydroxide and monosubstituted piperazine to obtain the cinnamic acid amide derivative containing quinazoline and piperazine units; the cinnamic acid amide derivative containing quinazoline and piperazine units is a novel compound, has inhibitory effect on botrytis cinerea, sclerotinia sclerotiorum, fusarium graminearum or rhizoctonia solani, and can be used for preventing and treating plant diseases caused by fungi.
Owner:JIANGSU OCEAN UNIV

Masking agent

To provide a masking agent for unpleasant odors derived from plants, in particular a grassy odor of soybean and an unpleasant odor derived from fats and oils of processed meat products (such as a hexanal odor), a method for masking unpleasant odors using the compound, and a method for producing an oral product in which unpleasant odors are masked.SOLUTION: The present invention provides an unpleasant-odor masking agent for oral products which contains at least one aroma compound selected from the group consisting of E-beta-damascone, S-(2-methyl-3-furyl) ethanethioate, beta-caryophyllene oxide, beta-ionone, 2,5-dihydroxy-1,4-dithiane, methyl anthranilate, S-furfuryl thioformate, 1-isothiocyanate-3-(methylthio)propane, nootkatone, 1,4-dioxacycloheptadecane-5,17-dione, sclareol, and sclareolide.SELECTED DRAWING: None
Owner:AJINOMOTO CO INC

Bird repellent based on plant extracts

The invention relates to a bird repellent based on plant extracts, and belongs to the technical field of biological prevention and control of infrastructure. The bird repellent is prepared from plant active ingredients, a plastic slow-release carrier and an auxiliary agent, wherein the plant active ingredients comprise methyl anthranilate, cinnamyl aldehyde, eucalyptus oil and peppermint essential oil; the auxiliary agent comprises an antioxidant, an antifreeze agent and a solvent composed of vegetable oil and methyl oleate. The bird repellent is prepared by mixing through a specific preparation method, and can be prepared into various dosage forms such as a colloidal mixture or foamable liquid and the like. Through the synergistic effect of various plant active components and the controlled release function of the plastic slow-release carrier, the invention aims to provide the bird repellent which is wide in bird repelling spectrum, long in effective action time, high in environmental adaptability and safe to use, and is mainly used for protecting electrical equipment and agricultural crops from being invaded and harassed by birds.
Owner:西安泽舟电子科技有限公司

High intensity sweetener-containing beverage

The high intensity sweetener-containing beverage of the present invention has a methyl anthranilate concentration of 0.01 to 40 ppm and / or an α-phenylethyl alcohol concentration of 0.01 to 40 ppm.
Owner:ASAHI SOFT DRINKS CO LTD +1

A preparation device and preparation method of methyl anthranilate

The present application provides a device and method for preparing methyl anthranilate. The device for preparing methyl anthranilate includes a Hofmann degradation reaction component, a heating reaction component, and an esterification reaction component. The Hofmann degradation reaction component includes a first jet loop reactor, in which a methanol solution, a sodium hypochlorite solution, and an aqueous sodium o-formamidobenzoate solution undergo a Hofmann degradation reaction under jet mixing and cooling; the heating reaction component includes a kettle-type stirred reactor, in which sodium sulfite is added to react with an excess of sodium hypochlorite solution; and the esterification reaction component includes a second jet loop reactor, in which methyl anthranilate is generated under jet mixing and heating. The present application designs the three stages of the intermittent production process of methyl anthranilate to be carried out in three specific reactors, thereby reducing the total production time. The Hofmann degradation reaction component and the esterification reaction component use jet loop reactors, which are conducive to enhancing mass transfer and heat transfer and increasing the reaction rate.
Owner:EAST CHINA UNIV OF SCI & TECH +1

Methyl anthranilate production raw material storage equipment

The utility model relates to methyl anthranilate production raw material storage equipment, which belongs to the technical field of storage equipment and comprises a storage tank, a stirring shaft, a stirring paddle, a stirring motor, a heat preservation jacket, a liquid inlet pipe, an exhaust pipe, a feeding port, a sealing cover, a discharging pipe, a gas distribution pipe and a nitrogen tank. The other end of the nitrogen conveying pipe extends into the storage tank, an outlet of the nitrogen conveying pipe faces the discharging pipe downwards, the nitrogen conveying pipe is connected with the gas distribution pipe through a pipeline, valves are arranged on the liquid inlet pipe, the exhaust pipe, the discharging pipe and the nitrogen conveying pipe, and a temperature measuring device is arranged in the storage tank. According to the utility model, temporary storage and mixing functions of anthranilic acid and methanol are integrated in one storage tank, so that the number of equipment and the occupied area are reduced, the production cost is reduced, two raw materials are respectively added through the sealed feeding hole and the liquid inlet pipe and are directly mixed in the storage tank, the volatilization and waste of the raw materials in the conveying process are avoided, and the production efficiency is improved. The raw material utilization rate is improved.
Owner:SHANDONG LISHUO PETROCHEMICAL CO LTD

Preparation method and use method of long-acting slow-release bird repellent special for electric power

The invention relates to the technical field of bird repelling agents, and discloses a preparation method and a use method of a long-acting slow-release bird repelling agent special for electric power, and the preparation method comprises the following steps: (1) dissolving kappa-type carrageenan and iota-type carrageenan in water to obtain a first solution; dissolving herba houttuyniae essential oil, cinnamyl aldehyde and methyl anthranilate in ethanol to obtain a second solution; dissolving potassium caseinate and calcium caseinate in water to obtain a third solution; (2) adding polyvinylidene fluoride resin, musk-T, peppermint oil, an antioxidant and an antifreeze agent into N-methyl pyrrolidone to obtain a fourth solution; (3) adding the second solution into the first solution, stirring, adding the third solution, and heating for reaction to obtain a colloid mixed solution; and (4) cooling the colloid mixed solution, adding the fourth solution, and stirring to obtain a colloid agent, namely the long-acting slow-release bird repellent. The bird repellent disclosed by the invention can play a role initially, and meanwhile, the long-term slow-release effect is better, and the effective time is longer.
Owner:HUZHOU ELECTRIC POWER SUPPLY CO OF STATE GRID ZHEJIANG ELECTRIC POWER CO LTD

Masking agent

To provide a masking agent for unpleasant odors derived from plants, in particular a grassy odor of soybean and an unpleasant odor derived from fats and oils of processed meat products (such as a hexanal odor), a method for masking unpleasant odors using the compound, and a method for producing an oral product in which unpleasant odors are masked.SOLUTION: The present invention provides an unpleasant-odor masking agent for oral products which contains at least one aroma compound selected from the group consisting of E-beta-damascone, S-(2-methyl-3-furyl) ethanethioate, beta-caryophyllene oxide, beta-ionone, 2,5-dihydroxy-1,4-dithiane, methyl anthranilate, S-furfuryl thioformate, 1-isothiocyanate-3-(methylthio)propane, nootkatone, 1,4-dioxacycloheptadecane-5,17-dione, sclareol, and sclareolide.SELECTED DRAWING: None
Owner:AJINOMOTO CO INC

A scraped surface evaporator for the rectification of methyl anthranilate

ActiveCN224462270UMethyl anthranilateAminobenzoic acid
The utility model relates to a kind of methyl anthranilate rectification with scraper type evaporator, belong to rectification equipment technical field, including evaporation cylinder, the outside of evaporation cylinder is equipped with heating jacket, evaporation cylinder is equipped with shaft, the shaft is equipped with scraper assembly, the bottom of evaporation cylinder is equipped with discharge pipe, the top of evaporation cylinder is equipped with gas outlet pipe, the shaft above scraper assembly is fixed with conical distribution disc, the top of distribution disc is covered with distribution cylinder, the bottom of distribution cylinder is equipped with distribution turn-up parallel with the outside wall of distribution disc, gap is equipped between distribution turn-up and distribution disc, the outside of distribution cylinder is fixed on evaporation cylinder, the upper portion of distribution cylinder is fixedly connected with feed pipe, the sidewall of evaporation cylinder above distribution cylinder is fixed with multiple baffle plates, baffle plate top is equipped with wire mesh demister fixed on the shaft.The utility model is favorable to form uniform liquid film in evaporation cylinder body, improve evaporation efficiency, better remove liquid droplet entrained in steam, improve gas-liquid separation effect.
Owner:SHANDONG LISHUO PETROCHEMICAL CO LTD

Composite plant growth regulator for Xanthoceras sorbifolia Bunge cuttage and cuttage method

PendingCN121867207ABiocidePlant growth regulatorsXanthocerasMethyl anthranilate
The invention relates to the technical field of plant propagation, and particularly discloses a composite plant growth regulator for Xanthoceras sorbifolia Bunge cuttage and a cuttage method. The active ingredients of the composite plant growth regulator comprise methyl anthranilate (ANT) and indolebutyric acid (IBA), wherein the concentration of ANT and the concentration of IBA are both 1-2 mM. The invention also provides a corresponding Xanthoceras sorbifolia Bunge cuttage method, which comprises the steps of cutting treatment, root-promoting soaking, cuttage culture and the like, and can further comprise carbendazim treatment, optimized matrix ratio and environmental parameter control. By means of the technical scheme, the rooting rate and the rooting number of the cuttings are remarkably increased, the rooting period is shortened, and the quality and survival stability of the root systems of the cuttings are improved. The regulator formula and the matched treatment method are suitable for large-scale vegetative propagation of xanthoceras sorbifolia bunge and have good application and popularization prospects.
Owner:BEIJING FORESTRY UNIVERSITY

Filter vat

The utility model relates to the technical field of methyl anthranilate preparation, and discloses a filter vat which comprises a filter vat body, a detachable vat cover is arranged at the top of the filter vat body, a support is installed at the bottom of the filter vat body, a filter screen is installed in the filter vat body, the filter screen divides the interior of the filter vat body into a liquid storage cavity and a filter cavity, and the liquid storage cavity is communicated with the filter cavity. One side of the filtering barrel body is connected with a discharging pipe communicated with the liquid storage cavity, the bottom of the filtering barrel body is further connected with an impurity collecting pipe communicated with the filtering cavity, and the support is further provided with an elastic supporting structure for driving the collecting box to ascend and descend. The elastic supporting structure comprises a bearing frame; through the arrangement of the elastic supporting structure, lifting of the collecting box can be achieved through the dead weight of the collecting box, so that rapid disassembly and assembly of the collecting box are achieved, operation is easy and convenient, time and labor are saved, rapid cleaning of the collecting box is achieved, and follow-up use of the collecting box is facilitated.
Owner:PINGDINGSHAN CHUANGLIAN ZHONGXIN TECHNOLOGY CO LTD

Fragrance composition with fermented fruit juice fragrance, flower fragrance and radix aucklandiae and application thereof

The invention provides a spice composition with fermented fruit juice fragrance, flower fragrance and radix aucklandiae as well as a preparation method and application of the spice composition. The perfume composition is prepared from the following components: 0.15 to 0.35 wt% of ethyl isovalerate, 0.15 to 0.35 wt% of phenethyl acetate, 0.15 to 0.35 wt% of ethyl butyrate, 0.3 to 0.5 wt% of propionic acid, 0.5 to 0.7 wt% of ethyl propionate, 1.5 to 3.0 wt% of nodular pomelo methane, 3.0 to 5.0 wt% of methyl anthranilate, 5.0 to 10.0 wt% of citrus essential oil, 0.2 to 0.4 wt% of ethyl levulinate, 1.0 to 2.0 wt% of ethyl maltol, 0.15 to 0.35 wt% of linfanglilian base, 10.0 to 15.0 wt% of methyl dihydrojasmonate, 10.0 to 15.0 wt% of musk T and 0.15 to 0.35 wt% of ombrox. And the balance of auxiliary spices and / or dispersants and / or stabilizers. The perfume composition realizes delicate construction of aroma levels and precise expression of olfactory images, can be used for daily chemical products and presents a complete aroma framework of front-adjusted fermented fruit juice aroma, middle-adjusted dried petal aroma and tail-adjusted quiet wood aroma.
Owner:XIAMEN XIN MILAN FLAVORS & FRAGRANCES CO LTD

Beverage, method for manufacturing a beverage, and method for suppressing deterioration of a beverage

PendingJP2026111101ABiotechnologyBenzoic acid
The present invention provides a beverage that can suppress deterioration of flavor, a method for manufacturing the beverage, and a method for suppressing deterioration of the beverage. [Solution] The beverage of the present invention contains ethyl butyrate and / or methyl anthranilate, anthocyanin pigment, and milk, and has a color value of 0.10 or higher calculated by the following formula. (Formula) Color value = Color value of the anthocyanin pigment × Concentration of the anthocyanin pigment (mass %)
Owner:ASAHI SOFT DRINKS CO LTD

Citrus aurantium flower essence base, daily chemical product and perfume

PendingCN121427602ACosmetic preparationsToilet preparationsBenzyl benzoatNerolidol
The invention relates to the field of daily chemical essence, in particular to a citrus aurantium flower essence base, a daily chemical product and perfume. The essence base is prepared from the following components in percentage by mass: a first note component and a second note component, a second note component; a third note and a fixed note component; a solvent; the sum of the mass percentages of the components is 100%. Wherein the first note component is prepared from trans-2-hexenal, limonene, leaf acetate, citronellal, alpha terpilenol and citral; the second note component is prepared from linalool, nerol, geraniol, neryl acetate, indole, methyl anthranilate and aryl jasmonone; the third note and fragrance fixing component comprises anisyl acetone, nerolidol, benzyl salicylate and benzyl benzoate. According to the citrus aurantium flower fragrance base, high simulation and hierarchical reproduction of natural citrus aurantium flower fragrance are achieved, meanwhile, excellent batch stability and fragrance persistence are achieved, and the cost is remarkably lower than that of a scheme depending on natural essential oil.
Owner:XIAMEN XIN MILAN FLAVORS & FRAGRANCES CO LTD

Ultraviolet absorber uv-3638 and process for its preparation

This application discloses an ultraviolet absorber UV-3638 and its preparation method, belonging to the field of ultraviolet absorber technology. The preparation method of UV-3638 includes: reacting methyl anthranilate with terephthaloyl chloride in the presence of an acid-binding agent to undergo an amidation reaction to obtain a first intermediate; hydrolyzing the first intermediate in an alkaline solution and then acidifying it to obtain a second intermediate; and reacting the second intermediate with a dehydrating agent via a ring-closing reaction to obtain UV-3638. This application solves the technical problems of poor reaction selectivity and low product purity in existing industrial production processes for preparing UV-3638.
Owner:HUBEI MEIFENG TECHNOLOGY DEVELOPMENT CO LTD +5

Pretreatment method of chemical sewage

The invention relates to the technical field of chemical sewage, discloses a pretreatment method of chemical sewage, and solves the problems of high treatment cost, low organic matter removal rate and poor resource utilization rate of existing production sewage of anthranilic acid, methyl anthranilate and saccharin sodium salt. According to the method, the sewage is subjected to salt component pretreatment, so that interference of inorganic salt on subsequent reaction is eliminated; then carrying out hydrolysis / alkaline hydrolysis treatment; then, through diazotization-coupling reaction, anthranilic acid components are directionally converted into 2-((5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl) diazo) benzoic acid by-products with high additional value; and finally, cooling is carried out, and a phthalic acid crude product is separated out and recovered from the 2-((5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl) diazo) benzoic acid by-products. The utilization rate of anthranilic acid components in the sewage reaches 99.9% or above, and meanwhile the method has the advantages of being low in treatment cost, small in equipment investment, short in technological process, high in resource benefit and thorough in sewage treatment.
Owner:LUWU (SHANDONG) CHEMICAL TECHNOLOGY CO LTD

A method for preparing a solid phase crude oil demulsifier

The application belongs to the technical field of oil field chemistry, and particularly relates to a preparation method of a solid-phase crude oil demulsifier. The preparation method is as follows: methyl anthranilate and a catalyst are added into a high-pressure reaction kettle, vacuum is drawn, propylene oxide is added, stirring and heating are performed, heating is stopped, temperature is maintained, cooling is performed, and stirring is stopped; ethylene oxide is introduced into the high-pressure reaction kettle, stirring is started, temperature is increased, heating is stopped, temperature is maintained, cooling is performed, and stirring is stopped; acetyl chloride is introduced into the high-pressure reaction kettle, stirring is started, temperature is maintained, the high-pressure reaction kettle is opened, the catalyst is slowly added, pH is maintained at 7-8, and the change of pH is stopped; and the mixture in the reaction kettle is subjected to pressure reduction and dehydration to obtain a product. The demulsifier has the characteristics of simple synthesis process and high demulsification rate.
Owner:DONGYING SPRING PETROLEUM ENG TECH

Cinnamamide derivative containing quinazoline unit as well as preparation method and application thereof

The invention belongs to the field of medicines, and discloses a compound with a structure shown in a formula I. A preparation method of the compound comprises the following steps: carrying out cyclization reaction on methyl anthranilate containing substituent groups and formamide, and then carrying out chlorination reaction with thionyl chloride to obtain corresponding 4-chloroquinazoline; then, the coumarin molecules sequentially react with sodium hydroxide, 4-chloroquinazoline, TBTU and substituted amine, and the cinnamamide derivative containing the quinazoline unit is obtained. The cinnamamide derivative containing the quinazoline unit is a novel compound, has an inhibition effect on cell proliferation of cervical cancer, lung cancer, liver cancer, pancreatic cancer, gastric cancer or breast cancer, and can be used as a potential antitumor drug candidate molecule.
Owner:JIANGSU OCEAN UNIV

Aspergillus versicolor and application thereof

PendingCN122038133AFungiFood processingMicroorganismMethyl anthranilate
The invention belongs to the technical field of microorganisms, and discloses Aspergillus versicolor and application thereof. The name of the Aspergillus versicolor is Aspergillus versicolor CP16-M2, the preservation number of the Aspergillus versicolor is GDMCC NO: 67394, and the Aspergillus versicolor is preserved in the Guangdong Microbial Culture Collection Center on December 2, 2025. The aspergillus versicolor is used for fermenting the dried orange peel, so that the total flavonoid content of the dried orange peel can be increased, the types of volatile substances are increased, and the relative content of N-methyl anthranilate is increased. Therefore, the aspergillus versicolor can be used for accelerating aging of the pericarpium citri reticulatae, and the pericarpium citri reticulatae with high active ingredient content can be rapidly obtained.
Owner:SHAOGUAN COLLEGE