Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

37results about How to "Meet Response Needs" patented technology

Hydrocracking catalyst grading method and catalytic diesel oil hydro-conversion process

The invention discloses a hydrocracking catalyst grading method and a catalytic diesel oil hydro-conversion process. The grading method comprises steps as follows: a hydrocracking reactor is equally divided into 2-8 reaction zones in the material flow direction, each reaction zone is filled with a hydrocracking catalyst containing a regenerant, on the basis of the weight of the hydrocracking catalyst, the content of the regenerant in the hydrocracking catalyst is 10wt%-90wt%, and the content of the regenerant in the hydrocracking catalyst in each reaction zone in the material flow direction is gradually increased. The invention further provides the catalytic diesel oil hydro-conversion process including the hydrocracking catalyst grading method. The cracking reactor is filled with catalysts with different reaction properties in a graded manner, so that the hydrogenation selectivity of diesel oil / gasoline components in the conversion process is improved, and the yield of a high-octane gasoline product is increased.
Owner:CHINA PETROLEUM & CHEM CORP +1

Device for industrially producing hydroxyl acetonitrile

The invention relates to a device for industrially producing hydroxyl acetonitrile. The device adopts a hydrocyanic-acid hydroxymethylation method for production and comprises a first-order reaction unit and a second-order reaction unit, wherein the first-order reaction unit comprises a first-order reactor and a first-order circulating tank connected with the first-order reactor; the second-order reaction unit comprises a second-order reactor and a second-order circulating tank connected with the second-order reactor; and the first-order reactor is also respectively connected with the second-order reactor and the second-order circulating tank. The device is characterized in that during operation, the first-order reaction unit uses low-concentration formaldehyde to absorb hydrocyanic acid so as to obtain first-order absorbing liquid; the second-order reaction unit uses high-concentration formaldehyde to absorb the hydrocyanic acid which is not completely absorbed so as to obtain second-order absorbing liquid; and then the second-order absorbing liquid enters the first-order reaction unit for continuous reaction. The device has the advantages that the absorption of the hydrocyanic acid by using the formaldehyde material with high concentration and low concentration is realized, the utilization rate of the hydrocyanic acid is high, the residual amount of the formaldehyde in an obtained product is low, and high-efficiency industrial production of the hydroxyl acetonitrile can be carried out.
Owner:重庆渝化新材料有限责任公司

Device used for treating unstable terminal group of fluorine-containing polymer and a process for treating same

The invention relates to a device used for treating an unstable terminal group of a fluorine-containing polymer. The device comprises a fluorine-preparing electrolyzer, a hydrogen fluoride freezing remover, a fluorine gas collecting tank, a diaphragm compressor, a fluorine and nitrogen mixed gas high-pressure storage tank and a high-pressure reaction tank, wherein the gas outlet of the high-pressure reaction tank is connected with one gas outlet pipeline of the fluorine gas collecting tank. A process for treating the unstable terminal group of the fluorine-containing polymer concretely comprises the following steps: (1) refinement and collection of fluorine gas; (2) preparation and pressurization of fluorine and nitrogen mixed gas; and (3) fluorination of the unstable terminal group of the fluorine-containing polymer. The device and process for fluorination provided by the invention can realize fluorination directing at different fluorine-containing polymers (like polytetrafluoroethylene PTFE, fluorinated ethylene propylene FEP and a tetrafluoroethylene and heptafluoropropyl trifluorovinyl ether copolymer PFA), has extremely extensive applicability and good fluorination effects, and is applicable to great popularization in the fluorine chemical industry.
Owner:ZHONGHAO CHENGUANG RES INST OF CHEMICALINDUSTRY CO LTD

A hydrocracking catalyst grading method and catalytic diesel hydroconversion process

The invention discloses a hydrocracking catalyst grading method and a catalytic diesel oil hydro-conversion process. The grading method comprises steps as follows: a hydrocracking reactor is equally divided into 2-8 reaction zones in the material flow direction, each reaction zone is filled with a hydrocracking catalyst containing a regenerant, on the basis of the weight of the hydrocracking catalyst, the content of the regenerant in the hydrocracking catalyst is 10wt%-90wt%, and the content of the regenerant in the hydrocracking catalyst in each reaction zone in the material flow direction is gradually increased. The invention further provides the catalytic diesel oil hydro-conversion process including the hydrocracking catalyst grading method. The cracking reactor is filled with catalysts with different reaction properties in a graded manner, so that the hydrogenation selectivity of diesel oil / gasoline components in the conversion process is improved, and the yield of a high-octane gasoline product is increased.
Owner:CHINA PETROLEUM & CHEM CORP +1

Wireless communication method for vehicle diagnosis data

The invention discloses a wireless communication method for vehicle diagnosis data, which includes the following steps: S1, establishing a diagnosis session with an on-board control unit; S2, startingtiming after a diagnosis request is sent to the on-board control unit; S3, judging whether or not response data sent by the on-board control unit is received during the timing period; S4, if responsedata sent by the on-board control unit is received during the timing period, processing the response data; and S5, if no response data sent by the on-board control unit is received during the timingperiod, outputting a prompt indicating that the diagnosis interaction fails. By introducing a timing mechanism in a communication protocol and based on the interaction status prompt, smooth and efficient data exchange between a mobile terminal and an on-board control unit is realized, and the user experience is improved.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD

Control method of fuel cell air compressor

The invention discloses a control method of a fuel cell air compressor. The control method comprises the following steps: calculating a target flow and a target pressure ratio, matching a first table to obtain an initial target rotating speed, and adjusting the rotating speed of a motor to be close to the initial target rotating speed; the current flow is calculated according to a first empirical formula, the first target rotating speed and the target opening degree are iteratively updated according to the difference value between the current flow and the target flow and the environment temperature, and the motor rotating speed and the bypass valve opening degree are adjusted to be the updated first target rotating speed and the updated target opening degree; according to a second empirical formula, the pressure and flow of the current surge point are calculated, then the distance between the current working condition point and the current surge point is calculated, if the distance is smaller than a preset second threshold value, a second table is matched to obtain a corresponding correction coefficient, the correction coefficient and the first target rotating speed are added to obtain a second target rotating speed, and the second target rotating speed is calculated. And adjusting the motor speed to the second target speed. According to the method, accurate control over the air compressor is achieved through a built-in empirical formula, and surge can be avoided.
Owner:HUNAN UNIV

Ceramic tile grading and color separation detection method and device, medium and equipment

The invention provides a ceramic tile grading and color separation detection method and device, a medium and equipment. The method comprises the following steps: acquiring a to-be-identified tile image; preprocessing the ceramic tile image; inputting the pre-processed ceramic tile image into a ceramic tile grading and color separation detection network model, and outputting a ceramic tile grade type by the ceramic tile grading and color separation detection network model; the ceramic tile grading and color separation detection network model is a ceramic tile grading and color separation detection network model obtained by training and testing an initial convolutional neural network model. The method comprises the following steps: performing grading and color separation detection on tiles based on a convolutional neural network model, and performing grade type division on the quality of the tiles; manpower resources can be saved and the detection efficiency can be improved; the operation speed is high, and response requirements of a high-speed production line can be met; the classification accuracy is high, and errors and mistakes existing in manual classification can be avoided.
Owner:FOSHAN UNIVERSITY

Priority-based baseline detection method

The invention relates to the technical field of network security, in particular to a priority-based baseline detection method, which comprises the following steps: S1, acquiring the number of synchronously processed requests of all load balancing nodes in a time period and the time required for processing each request by an inspection server, and obtaining the CPU utilization rate, the IO occupancy rate and the memory utilization rate of all detected servers corresponding to the load balancing node; formulating sequence data of processing the service request by each detected server, and matching all the detected servers correspondingly with priorities from high to low according to the sequence data; and S2, sequentially carrying out baseline detection on the detected servers according to a high-low sequence of the priorities. Through rule setting, reasonable scheduling of resources and demands and priority arrangement of baseline detection on a detected server, important resources or systems are detected in sequence according to priorities, so that limited resources meet response demands to the maximum extent. The detection efficiency is improved, and the detection quality is ensured.
Owner:湖北省农村信用社联合社网络信息中心

Hydrogenation process combination method

The invention discloses a hydrogenation process combination method. The method comprises the following steps: 1, mixing a wax oil raw material with hydrogen, allowing them to go through a first hydrogenation reaction zone, and separating the obtained hydrogenation reaction effluent by allowing it to enter a hot high-pressure separator; 2, mixing the gas phase and coked gasoline obtained in step 1, and allowing them to go through a second hydrogenation reaction zone under gasoline hydrofinishing conditions; and 3, directly mixing the reaction effluent obtained in step 2 with a diesel oil raw material, allowing them to go through a third hydrogenation reaction zone under diesel oil hydrofinishing conditions, and separating and fractionating the obtained reaction effluent to obtain lightweight products. According to the invention, the wax oil hydrogenation high-pressure separation gas is directly mixed with the coked gasoline fraction to generate heat, so the temperature of the material entering the coked gasoline hydrogenation reaction zone is elevated, thereby reaction demands are satisfied; and a coked gasoline heating furnace an be canceled, so a work stopping problem caused by furnace tube coking generated during heating the coked gasoline in the heating furnace is avoided.
Owner:CHINA PETROLEUM & CHEM CORP +1

Internet service business data platform

PendingCN112134947AMeet Response NeedsMeet the requirements of healthy online developmentData switching networksData platformBusiness data
The invention belongs to the technical field of Internet, and particularly provides an Internet service business data platform which comprises a cloud server control center, a cloud service cluster and a backup server cluster. The cloud server control center performs weighted averaging according to the total number of the unfinished response tasks in combination with the shortest processing time of each device in each device specification, comprehensively formulates a sequence table for assisting in processing the response of the cloud server cluster, and starts to send processing requests insequence according to the sequence table. By setting rules, resources and requirements are reasonably scheduled, so that limited resources meet response requirements to the maximum extent. On the other hand, an upper-level server cluster and a lower-level server cluster are arranged in the server cluster, each level of server cluster is connected with an upper-level security control server, and each security control server is provided with a trusted site list, so that an intelligent terminal can only access the content of a secure and legal Internet site, the requirement of healthy Internet surfing development is met, and the platform is convenient, effective, simple and easy to implement.
Owner:中旦集团有限公司

Fuel cell air system

The invention discloses a fuel cell air system, and relates to the technical field of hydrogen fuel cells. The problems of ventilation quantity and water accumulation are solved. The fuel cell air system specifically comprises a fuel cell shell, a fuel cell is arranged in the fuel cell shell, and a gas inlet system and a gas outlet system are arranged at a gas inlet and a gas outlet of the fuel cell shell; the air inlet system comprises an air filter, a flow meter, an air compressor, an intercooler, a humidifier, a dehumidification electromagnetic valve, a ventilation electromagnetic valve, a temperature sensor, a pressure sensor and a humidity sensor, the exhaust system comprises a back pressure valve, a mixer, a bypass electromagnetic valve, a one-way valve and a hydrogen concentration sensor, and the humidifier is connected to an air inlet of the fuel cell shell through a connecting hose; the temperature sensor and the humidity sensor are arranged on the circumference of the connecting hose, and the output end of the intercooler is connected to the input end of the humidifier through the connecting hose. The problem that the local hydrogen concentration is too high due to local hydrogen retention dead angles is solved.
Owner:安徽明天新能源科技有限公司

Code management control method and system

The invention discloses a code management control method. The method comprises the steps that a code auditing server performs auditing on multiple source codes archived by multiple version management tools in real time; the version management tools receive a submitting application of a current code, queries an auditing condition of the source code corresponding to the current code in the code auditing server, and judges whether the auditing condition is passed or not; and if yes, the version management tools receive the current code and perform storage. According to the method, the code auditing server supports code management control of the version management tools at the same time, and meets response demands of co-processing order businesses. In addition, after the version management tools receive the current code and perform the storage, the code auditing server performs auditing on the current code, namely, the demand of storage before auditing is met.
Owner:GUANGZHOU SHIYUAN ELECTRONICS CO LTD

Quantum dot automatic synthesis equipment and control method

The invention relates to the technical field of quantum dots, and provides quantum dot automatic synthesis equipment and a control method, the equipment comprises a heating device which is provided with a heating channel and is used for heating the heating channel according to a preset heating temperature, the input end of the heating channel is communicated with N precursor input channels, and N is greater than 1; the inert medium injection pump is provided with an inert medium input channel communicated with the input end of the heating channel of the heating device; and the controller module is used for driving the inert medium injection pump when corresponding precursors are successfully injected into the heating channel through the N precursor input channels, so that the inert medium pushes the precursors in the heating channel to flow. Therefore, the inert medium injection pump is used for driving the reaction liquid in the heating channel to flow, the reaction time in the heating channel can be controlled, and the reaction requirements of diversified types of quantum dots can be met.
Owner:TCL CORPORATION

Device and method for preparing polyferric sulfate through microbial catalysis

The invention discloses a device and preparation method for preparing polyferric sulfate through microbial catalysis. The device is arranged in a sewage treatment plant, the device comprises a bioreactor, the bioreactor is respectively connected with a PFS product storage tank and a precipitate storage tank through a liquid outlet pipe and a discharge pipe, The PFS product storage tank is connected with an inlet of a secondary sedimentation tank through a conveying pipeline, and the secondary sedimentation tank and a water outlet are connected with the bioreactor through a water inlet pipe. An aeration device is arranged on the bioreactor, the aeration device comprises an air pipe and an aeration head, the aeration head is arranged in the bioreactor, and the other end of the air pipe is connected with an aeration system in a sewage treatment plant. The device has the advantages that a synthesis device is arranged in a sewage treatment plant, so that the prepared product is directly conveyed into the sewage treatment plant for use through a conveying pipeline, and the transportation cost is effectively saved.
Owner:成都湛蓝未来环保科技有限公司

Reaction environment regulatable membrane bioreaction pond for sewage treatment

The invention discloses a reaction environment regulatable membrane bioreaction pond for sewage treatment. The reaction environment regulatable membrane bioreaction pond comprises an adjusting pond, amembrane bioreaction pond adjacent to the adjusting pond, a clean water pond adjacent to the membrane bioreaction pond and an equipment cavity adjacent to the clean water pond. Four worm wheel lead screw lifters drive an adjusting plate of the reaction pond to lift to adjust the pressure change of an inner cavity of the membrane bioreaction pond, so as to control or change the pressure of the environment in the membrane bioreaction pond, and further affect the reaction progress. Water quality can be treated by means of a water inlet slot formed in the adjusting plate of the reaction pond, a temperature control head arranged between two membrane reaction assmemblies can control the temperature in the reaction pond. In addition, a stirring motor can accelerate the reactions rate. The components are arranged above the reaction environment regulatable membrane bioreaction pond in a centralized manner, so that the reaction environment regulatable membrane bioreaction pond is compact in structure. The inner environment in the reaction pond is variable to adjust so as to meet different flora reaction demands.
Owner:广东省盛天诚实业集团有限公司

Continuous flow reaction system

The invention discloses a continuous flow reaction system which comprises first reaction equipment and second reaction equipment, the first reaction equipment is provided with a first reaction cavity, the first reaction cavity is used for reacting one or more of gas-liquid-solid three-phase materials, and the first reaction equipment is provided with an output end; the output end is used for outputting a target product or a mixture of the target product and a catalyst; the second reaction equipment is connected to the output end of the first reaction equipment and is used for accommodating the target product output by the output end of the first reaction equipment, the second reaction equipment is provided with a plurality of heat exchange temperature areas, and the heat exchange temperature areas are arranged independently. According to the technical scheme, the problem that existing reaction equipment is difficult to meet diversified practical application requirements can be solved.
Owner:SHENZHEN E ZHENG TECH

Code control method and system

The invention discloses a code management control method. The method comprises the steps that a code auditing server performs auditing on multiple source codes archived by multiple version management tools in real time; the version management tools receive a submitting application of a current code, queries an auditing condition of the source code corresponding to the current code in the code auditing server, and judges whether the auditing condition is passed or not; and if yes, the version management tools receive the current code and perform storage. According to the method, the code auditing server supports code management control of the version management tools at the same time, and meets response demands of co-processing order businesses. In addition, after the version management tools receive the current code and perform the storage, the code auditing server performs auditing on the current code, namely, the demand of storage before auditing is met.
Owner:GUANGZHOU SHIYUAN ELECTRONICS CO LTD

Synthetic method of medicine intermediate 2-ethyl-5-chloro-4,6-dihydroxypyrimidine

The invention relates to a synthetic method of a medicine intermediate 2-ethyl-5-chloro-4,6-dihydroxypyrimidine. The synthetic method is characterized in that 2-ethyl-5-chloro-4,6-dihydroxypyrimidine is prepared through successively carrying out a chlorine displacement reaction, an ethylating reaction and a hydroxylation reaction of 5-bromopyrimidine used as a raw material in a solvent ether at 120-150 DEG C under 2 atm. The synthetic method of the medicine intermediate 2-ethyl-5-chloro-4,6-dihydroxypyrimidine has the advantages of simplicity, high efficiency, safety in operation, and high practicality in concrete production, can meet the general reaction demands and can be applied to practical reactions.
Owner:WUXI QIANHAO BIOPHARMA

Hydrogenation process combination method

The invention discloses a hydrogenation process combination method. The method comprises the following steps: 1, mixing a wax oil raw material with hydrogen, allowing them to go through a first hydrogenation reaction zone, and separating the obtained hydrogenation reaction effluent by allowing it to enter a hot high-pressure separator; 2, mixing the gas phase and coked gasoline obtained in step 1, and allowing them to go through a second hydrogenation reaction zone under gasoline hydrofinishing conditions; and 3, directly mixing the reaction effluent obtained in step 2 with a diesel oil raw material, allowing them to go through a third hydrogenation reaction zone under diesel oil hydrofinishing conditions, and separating and fractionating the obtained reaction effluent to obtain lightweight products. According to the invention, the wax oil hydrogenation high-pressure separation gas is directly mixed with the coked gasoline fraction to generate heat, so the temperature of the material entering the coked gasoline hydrogenation reaction zone is elevated, thereby reaction demands are satisfied; and a coked gasoline heating furnace an be canceled, so a work stopping problem caused by furnace tube coking generated during heating the coked gasoline in the heating furnace is avoided.
Owner:CHINA PETROLEUM & CHEM CORP +1

A device for the industrial production of hydroxyacetonitrile

The invention relates to a device for industrially producing hydroxyl acetonitrile. The device adopts a hydrocyanic-acid hydroxymethylation method for production and comprises a first-order reaction unit and a second-order reaction unit, wherein the first-order reaction unit comprises a first-order reactor and a first-order circulating tank connected with the first-order reactor; the second-order reaction unit comprises a second-order reactor and a second-order circulating tank connected with the second-order reactor; and the first-order reactor is also respectively connected with the second-order reactor and the second-order circulating tank. The device is characterized in that during operation, the first-order reaction unit uses low-concentration formaldehyde to absorb hydrocyanic acid so as to obtain first-order absorbing liquid; the second-order reaction unit uses high-concentration formaldehyde to absorb the hydrocyanic acid which is not completely absorbed so as to obtain second-order absorbing liquid; and then the second-order absorbing liquid enters the first-order reaction unit for continuous reaction. The device has the advantages that the absorption of the hydrocyanic acid by using the formaldehyde material with high concentration and low concentration is realized, the utilization rate of the hydrocyanic acid is high, the residual amount of the formaldehyde in an obtained product is low, and high-efficiency industrial production of the hydroxyl acetonitrile can be carried out.
Owner:重庆渝化新材料有限责任公司

A kind of device and preparation method for preparing polyferric sulfate by microbial catalysis

The invention discloses a device and a preparation method for preparing polyferric sulfate by microbial catalysis. The device is arranged in a sewage treatment plant, and the device includes a bioreactor. The storage tank is connected to the sediment storage tank, the PFS product storage tank is connected to the inlet of the secondary settling tank through the delivery pipeline, and the secondary settling tank and the water outlet are connected to the bioreactor through the water inlet pipe. An aeration device is installed on the bioreactor, and the aeration device includes an air pipe and an aeration head, the aeration head is inside the bioreactor, and the other end of the air pipe is connected with the aeration system in the sewage treatment plant. The advantage of the present invention is that the synthesis device is arranged in the sewage treatment plant, so that the prepared product is directly transported to the sewage treatment plant for use through the conveying pipeline, effectively saving the transportation cost.
Owner:成都湛蓝未来环保科技有限公司

Method for industrialized continuous production of hydroxyacetonitrile

The invention relates to a method applied to industrial continuous production of hydroxy acetonitrile. The method comprises the following steps: diluting a high-concentration formaldehyde raw material into low-concentration formaldehyde by using qualified hydroxy acetonitrile by virtue of a hydrocyanic acid hydroxyl methylation method, reacting the low-concentration formaldehyde with hydrocyanic acid to prepare a qualified hydroxy acetonitrile product; and extracting one part of the qualified hydroxy acetonitrile product as product collection and extracting the other part of the qualified hydroxy acetonitrile product as a circulation solution for diluting the continuously supplied high-concentration formaldehyde into low-concentration formaldehyde, continuously reacting the low-concentration formaldehyde with the continuously supplied hydrocyanic acid, and circulating in the manner to continuously produce the qualified hydroxy acetonitrile product. By virtue of the method, the industrial continuous production of the hydroxy acetonitrile is implemented; the produced hydroxy acetonitrile product is high in yield and extremely low in formaldehyde residue; the high-concentration industrial formaldehyde can be directly used; and the hydrocyanic acid serving as the raw material can be fully utilized.
Owner:重庆渝化新材料有限责任公司

The synthetic method of 4-chloro-3-(trifluoromethyl)benzene isocyanate

The invention belongs to the technical field of medicine, and in particular relates to a synthetic method of 4-chloro-3-(trifluoromethyl)phenylisocyanate. The reaction of o-chlorobenzotrifluoride, acetic anhydride and concentrated nitric acid gives 4-nitro-2-trifluoromethyl chlorobenzene, 4-nitro-2-trifluoromethyl chlorobenzene, activated carbon, FeCl 3 ·6H 2 O reacts with hydrazine hydrate to obtain 4-chloro-3-trifluoromethylaniline, and 4-chloro-3-trifluoromethylaniline, triphosgene and catalyst react to obtain 4-chloro-3-(trifluoromethyl) benzene isocyanate . The nitration process of the present invention uses the acetic anhydride / concentrated nitric acid system to replace the traditional nitric acid / sulfuric acid mixed acid system, and the strong nitration effect of acetyl nitrate can complete the reaction at a lower temperature, with low risk and less nitration impurities; the reduction process uses FeCl 3 ·6H 2 The O / activated carbon / hydrazine hydrate system replaces the traditional iron powder reduction process, which avoids the generation of a large amount of iron sludge and waste, and reduces the pressure on environmental protection.
Owner:SHANDONG JINCHENG PHARMACCUTICAL CHEM CO LTD

Fuel oil desulfurization by-product recovery device

The invention provides a fuel oil desulfurization by-product recovery device which comprises a by-product stirring part and a by-product reaction part, a reaction cavity comprises a plurality of feeding plates which are sequentially connected end to end, the material conveying directions of the adjacent feeding plates are opposite, and the reaction cavity further comprises a plurality of ultraviolet lamps; and uniformly stirred by-products and other reactants are conveyed to a first feeding plate through a second feeding hole and then are conveyed to a second discharging hole through a plurality of feeding plates in sequence, and an ultraviolet radiation reaction process is completed in the conveying process. According to the feeding plate structure, the equipment size is effectively controlled, and it is avoided that the equipment occupies a large-area site; on the other hand, according to the feeding plate structure, the feeding process can be continuously completed, the conveyed materials are more evenly distributed on the feeding plate, reaction is completed in the material flowing process, the materials can be irradiated by the ultraviolet lamps to complete the reaction process, and the reaction process is more thorough, more even and higher in efficiency.
Owner:JINAN JIAXING TECH

High-temperature solid oxide electrochemical reaction device

The invention relates to a high-temperature solid oxide electrochemical reaction device. The high-temperature solid oxide electrochemical reaction device is composed of a fixing part, a gas supply part, a current collecting part, a sealing part, a temperature measuring and controlling part and a reaction cavity part. The device can realize the functions of sealing, current collection, cathode and anode gas supply, temperature measurement and control and the like of the high-temperature solid oxide fuel cell, and meanwhile, an interface is reserved for an external gas path, external temperature measurement, electrochemical performance test and reaction gas detection, so the reaction requirements of a button type or tubular solid oxide fuel cell and a solid oxide electrolytic cell can be met at the same time, and through the detailed structural design, the disassembly is relatively simple and convenient, and the structure is compact.
Owner:FUZHOU UNIVERSITY

Synthesis method for medicinal raw material 2-chloro-4-ethoxyl-6-methylpyrimidine

The invention relates to a synthesis method for a medicinal raw material 2-chloro-4-ethoxyl-6-methylpyrimidine. According to the synthesis method, methylpyrimidine serves as a raw material, and under the effect of solvent n-butyl alcohol and 1.5 atmospheric pressure, the 2-chloro-4-ethoxyl-6-methylpyrimidine is generated sequentially through ethylation, an oxidation reaction and a chlorine replacement reaction at 100-145 DEG C under catalysis of vanadium pentoxide. The synthesis method for the medicinal raw material 2-chloro-4-ethoxyl-6-methylpyrimidine is simple, efficient, safe to operate, quite practical in concrete production and capable of meeting common reaction requirements.
Owner:WUXI QIANHAO BIOPHARMA
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products