38 results about "Propiconazole" patented technology

The invention belongs to the field of chemical production, and particularly relates to a method for catalytically synthesizing propiconazole by using ionic liquid. And carrying out condensation reaction on the brominated substance 2-bromomethyl-2-(2, 4-dichlorophenyl)-4-propyl-1, 3-dioxopentane and triazole under the catalysis of the ionic liquid to generate propiconazole. The ionic liquid is one of [Emim] BF4, [Emim] PF6, [BMIM] PF6 and [BMIM] OH. According to the invention, the imidazole cation ionic liquid is used as a catalyst and a solvent to catalyze the N-alkylation reaction of 2-bromomethyl-2-(2, 4-dichlorophenyl)-4-propyl-1, 3-dioxopentane and triazole, and the research finds that the alkaline imidazole cation liquid has good catalytic performance, high yield and good selectivity, and can be used as a catalyst for catalyzing the N-alkylation reaction of 2-bromomethyl-2-(2, 4-dichlorophenyl)-4-propyl-1, 3-dioxopentane and triazole. And the reaction conditions are mild, the operation is simple, the ionic liquid is easy to recover, and the catalytic activity is not obviously reduced after being applied for five times.

The invention belongs to the technical field of biological control, and particularly discloses bacillus velezensis and application of the bacillus velezensis to preparation of a biocontrol agent and a composite agent for controlling tobacco fusarium root rot, the strain is bacillus velezensis N4, is preserved in China General Microbiological Culture Collection Center on September 23, 2024, and has the preservation number of CGMCC NO. The preservation number is CGMCC (China General Microbiological Culture Collection Center) NO.32040, and the preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. The bacillus velezensis N4 provided by the invention has the capability of efficiently antagonizing tobacco root rot fungi F. tobactrum sp. Nov., and has an obvious antibacterial effect on a plurality of plant pathogenic fungi; after the bacillus velezensis N4 wettable powder disclosed by the invention is combined with a chemical agent propiconazole in the field, the bacillus velezensis N4 wettable powder has a good control effect on tobacco root rot and can promote the growth of tobacco plants, and the control effect is improved while the application of chemical pesticides is reduced.

The invention relates to the technical field of propiconazole purification, in particular to a propiconazole purification device which comprises a purification tank, and the top end of the purification tank is fixedly communicated with a fixed cover; the detection mechanism comprises a semicircular lamp panel for emitting light, a photoresistor plate for detecting the light emitted by the semicircular lamp panel is arranged in the purification tank, and the detection mechanism is used for detecting the concentration and crystallization degree of a solution needing to be purified. A semicircular lamp panel in the detection mechanism emits light, the absorption and scattering of the light are influenced by the concentration of a solution, the intensity of light irradiated on the photosensitive resistor plate is changed, and then the resistance value of the photosensitive resistor plate is changed. When the solution concentration is high, the light intensity and the resistance value are large, the current passing through the electromagnet is large, the electromagnet is strong in magnetism, the permanent magnet on the sliding plate is repelled to slide upwards, the L-shaped conducting strip slides upwards on the resistor strip, the resistance of the sliding rheostat is reduced, the current passing through the self-adaptive adjusting loop is increased, and the stirring speed is increased.

The invention belongs to the field of post-treatment of organic chemical synthesis methods, and relates to a post-treatment method for propiconazole synthesis. A crude propiconazole product is used as a raw material and is subjected to an isomerization reaction under the combined action of a bromine-containing ionic liquid and sodium alkoxide to generate cis-propiconazole. The bromine-containing ionic liquid is imidazolium bromine salt: [CnH2n + 1-MIM] + Br <-> (n = 2-4) or pyridinium bromine salt: [CmH2m + 1-Py] + Br <-> (m = 2-4). The method is mild in process condition, low in reaction temperature, short in process path, simple to operate and high in safety, efficient conversion of low-efficiency trans-propiconazole and ineffective isomers is achieved, the content of cis-propiconazole in a treated sample is as high as 99%, the yield is as high as 97%, the economical efficiency of the process is improved, and the method is suitable for industrial production. And the ionic liquid used in the reaction can be further recycled, so that the atom utilization rate is increased.

The application relates to the technical field of propiconazole synthesis, in particular to a method for synthesizing propiconazole by using ionic liquid catalysis and a solvent-free method, which comprises the following steps: S1, under the condition of room temperature, 1,2,4-triazole sodium or 1,2,4-triazole potassium and 1-4 carbon atom organic alcohol solvent are mixed, a quaternary ammonium salt is added, reflux is carried out for 10 hours, and insoluble substances are removed through filtration; 1-4 carbon atom organic alcohol solvent is removed through distillation, and transparent colorless 1,2,4-triazole-quaternary ammonium ionic liquid is obtained; S2, 2-(2,4-dichlorophenyl)-2-bromomethyl-4-propyl-1,3-dioxolane is mixed with the 1,2,4-triazole-quaternary ammonium ionic liquid, the temperature is increased to 150-160 DEG C, reaction is carried out for 10-15 hours, the temperature is decreased, post-treatment is carried out, and propiconazole with a purity of more than 98% is obtained. The method has the advantages that impurities are reduced, the purity and yield of propiconazole are improved, post-treatment is simple, and wastewater is extremely small, and is a valuable method for industrialization popularization and application.

The application discloses a kind of two-component fungicide containing fluoximide, effective component includes fluoximide and propiconazole, and the weight ratio of fluoximide and propiconazole is 1 :(0.2-3).The application has good control effect on banana leaf spot disease, and is safe to banana, can delay the process of drug resistance of drug resistance;And the combination of aryl phenol polyoxyethylene ether and fatty alcohol polyoxyethylene ether is used as emulsifying agent, and the prepared pesticide microemulsion has good stability and short foaming time.Fluoximide and propiconazole mixed preparation have good synergistic effect, can reduce the amount of drug, delay and control the drug resistance of pathogenic bacteria, and also make the mixed preparation have protection, treatment and internal absorption, realize the purpose of taking long and short, complementary advantages, expand the control spectrum and use range.

This invention discloses a pesticide composition containing silicon-rich rings and its application in controlling banana leaf spot disease, belonging to the field of biocide pesticide technology. The invention extracts pomegranate seeds. In indoor experiments, the colony diameter of *Curvularia natans* leaf spot pathogen was reduced, indicating that the pomegranate seed extract can inhibit the growth of *Curvularia natans*. Using this extract and silicon-rich rings as synergistic components, it is combined with propiconazole to prepare a pesticide composition containing silicon-rich rings. In field trials, the disease index of the plants decreased, indicating that *Curvularia natans* leaf spot pathogen was inhibited; the complex group showed the highest relative control efficacy, reaching 78.13%. The pesticide composition containing silicon-rich rings prepared by this invention can better inhibit *Curvularia natans* leaf spot pathogen and is suitable for pesticide development for controlling banana leaf spot disease.

The invention belongs to the technical field of plant disease control, and particularly relates to a method for controlling root rot of cardamine violifolia. The technical problem to be solved by the invention is to clarify the pathogenic bacteria of cardamine violifolia and provide a new choice for preventing and treating cardamine violifolia root rot. The invention also provides a method for preventing and treating the root rot of cardamine violifolia. The method comprises the following step: treating the cardamine violifolia by adopting at least one of hymexazol (T1), oxaconazole (T2) and propiconazole (T9). According to the application, the key pathogenic bacteria of the root rot of the Enshi cardamine violifolia are determined to be Aspergillus Goddavidii (A2), Mucor circinelloides Luusitanius variant (A3) and Blumeria tuberosa (A6) for the first time. According to the invention, bactericides, namely propiconazole, hymexazol and oxadiazole, which have a remarkable inhibition effect on three pathogenic bacteria are screened from nine conventional bactericides, and the mixed use effect of propiconazole, hymexazol and oxadiazole is better; a new scheme is provided for preventing and treating the root rot of cardamine violifolia.

The application discloses a propiconazole-azoxystrobin- clothianidin seed treatment suspending agent and a preparation method and application thereof, and belongs to the technical field of pesticide preparations; the agent takes propiconazole, azoxystrobin and clothianidin as active ingredients, takes beta-nicotinamide mononucleotide (NMN) as a functional antimicrobial component, and is supplemented with styrene-maleic anhydride copolymer sodium salt, fatty alcohol polyoxyethylene ether, xanthan gum, magnesium aluminum silicate, glycerol, polydimethylsiloxane defoaming agent, sodium benzoate, polyvinyl alcohol and deionized water to prepare the agent. The application is suitable for seed coating treatment for preventing and treating rice false smut, thrips and wheat sharp eyespot and aphids; NMN promotes the accumulation of phenolic compounds in the phloem of plants, and cooperates with clothianidin on the same insecticidal target, thereby significantly improving the prevention and treatment effect on aphids and thrips; the degradation product of NMN promotes the proliferation of beneficial microorganisms in the rhizosphere, improves soil enzyme activity, and realizes soil micro-ecological restoration.

The invention belongs to the technical field of artificial boards, and relates to a preparation technology of a durable 0-grade mildew-proof fiberboard, the preparation technology comprises the working procedures of wood treatment, sizing, paving, hot pressing and the like, a mildew inhibitor is one of OIT, DCOIT, tebuconazole and propiconazole, and a stabilizer is tea polyphenol-titanium dioxide dispersion liquid. According to the invention, camphorwood chips from which essential oil is extracted are used as a raw material, a melamine modified urea-formaldehyde resin adhesive (25-35% of melamine) is adopted, a microemulsion type mildew inhibitor (OIT / DCOIT / tebuconazole / propiconazole) and a tea polyphenol-titanium dioxide stabilizer are added, and the density of a finished product is controlled to be greater than or equal to 860 kg / m < 3 >. Due to a synergistic light stabilization mechanism of tea polyphenol and titanium dioxide, a better mildew-proof effect is achieved. According to the prepared 0-grade mildew-proof fiberboard, the three-year outdoor environment is simulated through an accelerated aging experiment (85 DEG C / 85% RH, 30 d), the mildew-proof grade is kept at the 0 grade, and the 0-grade mildew-proof fiberboard has excellent water resistance and dimensional stability, is suitable for the high-humidity environment without deformation and mildew, prolongs the service life and expands the application field.

The present invention relates to propiconazole co-crystals and a co-crystal-forming compound. Claim 1: A propiconazole co-crystal with a co-crystal-forming compound selected from the group consisting of 2,2-dihydroxy-1,1-dinaphthalene, D-ribose, maleic acid, oxalic acid, tartaric acid, terephthalic acid, and trimesic acid. Claim 14a: The co-crystal of claim 1, wherein the co-crystal-forming compound is trimesic acid.

The invention discloses a compound bactericide for a pear tree pollination period and application thereof, and belongs to the technical field of fruit tree planting and pesticide application. According to the method, 35% propiconazole and carbendazim compound suspoemulsion (7% propiconazole and 28% carbendazim) serves as a core agent, after being diluted by 2200 times, the suspoemulsion is sprayed in the full-bloom stage of the pear trees in the mode of avoiding the bee collection peak period, and bee colony protection measures are matched. By optimizing the concentration and spraying time of the compound bactericide and matching management, the stress effect of the bactericide on Italian bees is remarkably reduced on the basis of ensuring that the calyx abscission rate of pear fruits is increased (male pears are changed into female pears) and the fruit quality is improved, the death rate of the bees within 24 hours is reduced, and the survival rate of the bees is increased. The enrichment amount of the compound bactericide in bee bodies and bee pollen is controlled, and the bee pollination efficiency is not influenced. The method gives consideration to production benefits and ecological safety of pear trees, and is simple to operate, high in practicability and suitable for application of the compound bactericide in the flowering phase of a large-scale pear tree plantation.

The invention relates to the technical field of fine chemical engineering, in particular to a prothioconazole derivative containing an epoxy group and a synthesis and detection method of the prothioconazole derivative. A high-purity product is obtained by optimizing a preparation process, and a specific detection method is subsequently matched, so that the preparation method has important significance in subsequent application of the compound and quality control in synthesis of a prothioconazole product.

The present application belongs to the technical field of pesticide insecticide and fungicide, and discloses a kind of pesticide composition and its use, the pesticide composition includes active ingredient A, active ingredient B and active ingredient C, the active ingredient A is propiconazole, the active ingredient B is fluazinam, and the active ingredient C is a new nicotine insecticide.The pesticide composition of the present application can simultaneously prevent and treat plant diseases and insect pests, the action mechanism of each active ingredient is different, and after compounding, obvious synergistic effect is played, the persistence of the pesticide can be prolonged, the resistance of pathogenic bacteria and pests is delayed, and the crop is safe and friendly to the environment.

The application belongs to the technical field of agricultural fungicidal compounds, and discloses a pyrimidine-containing N-phenyl dicarboximide compound, a preparation method and application thereof. The compound combines a pyrimidine group with an N-phenyl dicarboximide skeleton, and a general structure formula of the compound is shown as formula I. The compound has broad-spectrum fungicidal activity, and has excellent control effect on wheat powdery mildew, and the control effect is higher than that of a commercial pesticide variety propiconazole.

The invention belongs to the technical field of plant growth regulators, and particularly relates to a soybean flower and pod protecting plant growth regulator as well as a preparation method and application thereof. The soybean flower and pod protecting plant growth regulator is prepared from the following raw materials: gibberellic acid and propiconazole. The mass ratio of the gibberellic acid to the propiconazole is 1 to (1.25 to 10); the gibberellic acid comprises at least one of gibberellic acid GA3, gibberellic acid GA4 and gibberellic acid GA7. The soybean flower and pod protection plant growth regulator provided by the invention has obvious effects of flower and pod protection without influencing normal growth of internodes and seed maturation, so that the problem that the plant type and seed maturation of soybeans in the later period are not influenced while the flowers and pods of the soybeans are protected can be solved.

The invention relates to a combined control agent for northern corn leaf blight, which comprises active bacteria, chelated zinc brassicae and a propiconazole-azoxystrobin suspending agent, and the active bacteria are bacillus cereus or fusarium avenaceum. When the bacillus cereus or the fusarium avenaceum is compounded with the zinc brassicae chelate, the dosage of propiconazole-azoxystrobin can be reduced, so that the relative control effect on northern corn leaf blight is greatly improved, the yield of corn is also increased, and the highest yield increase rate can reach 13.9%.

The present invention relates to a synergistic fungicidal composition comprising a strobilurin based compound, validamycin and a compound A compound selected from the group comprising thifluzamide, hexaconazole, propiconazole, tricyclazole and difenoconazole. The composition of the present invention decreases application rates of each of the active ingredients and is non-phytotoxic.

The application belongs to the field of chemical production, and particularly relates to a method for synthesizing propiconazole by catalysis of ionic liquid. Condensation reaction is carried out between bromide 2-bromomethyl-2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolane and triazole under catalysis of ionic liquid to generate propiconazole. The ionic liquid is one of [Emim]BF4, [Emim]PF6, [BMIM]PF6 and [BMIM]OH. In the application, the ionic liquid of imidazole cation is used as a catalyst and a solvent, and N-alkylation reaction is carried out between 2-bromomethyl-2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolane and triazole. It is found that the basic ionic liquid of imidazole cation has good catalytic performance, high yield and good selectivity, and the reaction condition is mild, the operation is simple, the ionic liquid is easy to recover, and the catalytic activity is not obviously reduced after five times of recycling.

The application relates to the technical field of organic synthesis, and discloses a synthesis method of propiconazole, which comprises the following steps: taking 2-[2-(1-chlorocyclopropyl)-3-(2-chlorophenyl)-2-hydroxypropyl]-1,2,4-triazole-3-thiol as raw material, and reacting under the action of an oxidant and a supported catalyst to obtain propiconazole. Through the technical scheme, the problems of low yield and low purity of propiconazole in the prior art are solved.

The invention relates to a pesticidal mixture comprising components (A) and (B) as active ingredients, wherein component (A) is cyclobutrifluram, and component (B) is propiconazole.

This invention relates to a prothioconazole hapten, artificial antigen, polyclonal antibody, and their preparation methods and applications. The structural formula of the prothioconazole hapten is shown in formula (1). When the prothioconazole hapten, artificial antigen, and polyclonal antibody of this invention are used for indirect competitive enzyme-linked immunosorbent assay (ELISA) to detect prothioconazole residues, the sample pretreatment is simple, the detection results are accurate, the detection time is short and the cost is low. At the same time, the operation is simple and samples can be processed in batches, which is conducive to the development of field work.

The application discloses a recycling process of propiconazole 4-H isomer, and aims at solving the problems of low yield and serious pollution caused by the waste of 4-H isomer in traditional processes. The closed loop cycle process is constructed. After condensation reaction, the process is subjected to sectional pressure change and four-stage gradient temperature rectification, so that toluene, unreacted raw materials, propiconazole products, and mixtures of propiconazole and 4-H isomer and rectification kettle residues are separated in sequence and enriched. The kettle residue polymers are selectively hydrolyzed by using acetic acid-sodium acetate buffer solution, the effective components physically wrapped are released and recovered. After the above isomer mixtures and the recovered organic phase are combined and purified, the isomer mixtures are efficiently converted into starting raw material propyl bromo-ketone under the catalysis of Lewis acid and by using trimethyl bromosilane. Finally, high-purity propyl bromo-ketone is recovered by rectification and is reused in the condensation section. The yield loss of chiral by-products is completely eliminated, the atom economy maximization and solid waste near zero emission are realized, and the economic and environmental benefits are remarkable.

The invention relates to the field of propiconazole production, in particular to a propiconazole rectification method and device.The rectification device comprises a material mixing pool, a filtering pool, a separation mechanism, a first distillation mechanism and a second distillation mechanism, and the separation mechanism can rapidly separate an organic phase and an inorganic phase which are mixed in the material mixing pool; and the first distillation mechanism and the second distillation mechanism are used for sequentially distilling the organic phase to respectively obtain an organic solvent and a propiconazole refined product. Through the device and the method, continuous production of propiconazole is realized, and the situation that the production efficiency is influenced by links such as standing in a traditional process is avoided; through cyclic utilization of the organic solvent and water, the production cost is reduced; accurate control over the concentration of propiconazole is achieved through distillation, and therefore the purity and quality of propiconazole products are improved.

The invention discloses a triazole derivative-prothioconazole doped perovskite active layer, a preparation method of the triazole derivative-prothioconazole doped perovskite active layer and application of the triazole derivative-prothioconazole doped perovskite active layer in a trans-perovskite solar cell. The doped perovskite active layer is prepared from a precursor solution containing cesium iodide (CsI), formamidine hydroiodate (FAI), lead iodide (PbI2), methyl ammonium chloride (MACl) and prothioconazole. The trans-perovskite solar cell sequentially comprises a conductive glass substrate, a hole transport layer, a triazole derivative-prothioconazole doped perovskite active layer, an electron transport layer, a hole barrier layer and a metal electrode from bottom to top. The triazole derivative-prothioconazole is used for doping the perovskite active layer, so that the surface appearance of the perovskite thin film can be effectively improved, bulk phase defects can be passivated, component distribution can be optimized, the surface uniformity of the thin film can be improved, and meanwhile, a long-term effective passivation effect can be ensured by firmer passivation molecules; therefore, the efficiency and the operation stability of the perovskite solar cell are improved.

This invention relates to the field of adhesive technology, specifically to a high-durability tile adhesive and its preparation process, comprising the following components: 8-12 parts by weight of a modified reinforcing agent, 45-55 parts by weight of cement, 23-32 parts by weight of quartz sand, 1-3 parts by weight of cellulose ether, 1-5 parts by weight of L-lysine triisocyanate, 0.8-1.4 parts by weight of propiconazole antifungal agent, and 0.6-1.1 parts by weight of BASF Pluraxol P4250 water-reducing agent; wherein the modified reinforcing agent is prepared by mixing dihydroxyl-terminated polydimethylsiloxane and tartaric acid in a mass ratio of 5-10:1. This solution effectively addresses the durability issue of tile adhesives by employing modified reinforcing agents. Through crosslinking of dihydroxyl-terminated polydimethylsiloxane with L-lysine triisocyanate, the mechanical properties and high-temperature resistance of the tile adhesive are improved. Tartaric acid is used to enhance the wettability of the dihydroxyl-terminated polydimethylsiloxane to the substrate and increase the number of active functional groups, thereby increasing the mechanical bonding force between the adhesive and the tile and substrate, and reducing the risk of tile detachment.

The invention discloses a preparation method of pillararene grafted cyclodextrin double-macrocyclic chiral filler and application of the pillararene grafted cyclodextrin double-macrocyclic chiral filler in chiral pesticide separation. According to the filler, p-brominated pillararene and beta-aminopropyl cyclodextrin are covalently grafted to aminopropyl silica gel, and a double-macrocyclic structure with multiple chiral recognition sites is formed. The preparation process comprises catalytic condensation synthesis of brominated pillararene and double-macrocyclic bonding reaction on the surface of silica gel. The filler has high selectivity, multi-mode compatibility (both normal phase and reverse phase can be used) and excellent stability. The method is particularly suitable for enantiomer resolution of triazole (propiconazole and triazolone) and ester (clodinafop-propargyl) pesticides, and an efficient separation tool is provided for environmental behavior research and safety evaluation of chiral pesticides. The method is simple and convenient in process and low in cost, solves the problems of insufficient selectivity and narrow solvent application range of the existing chiral filler, and has industrial application potential.

The invention relates to a hybridoma cell strain secreting metconazole and ipconazole monoclonal antibodies and application of the hybridoma cell strain, and belongs to the technical field of immunodetection. The monoclonal antibody secreted by the hybridoma cell strain has good sensitivity to metconazole and ipconazole, the IC50 of the metconazole is 4.296 ng / mL, the IC50 of the ipconazole is 4.394 ng / mL, and structural analogues of the metconazole and the ipconazole, such as tebuconazole, flusilazole, difenoconazole, fenbuconazole, myclobutanil, diniconazole, propiconazole and epoxiconazole, are free of cross reaction, so that the monoclonal antibody secreted by the hybridoma cell strain has the advantages of high sensitivity, high sensitivity and the like. Therefore, low-concentration metconazole and ipconazole can be accurately detected at the same time.

The present application relates to the technical field of pesticide preparation, in particular to a preparation method of a soluble solution of propiconazole and oligosaccharin compound, which is realized through the following steps: firstly, a mixed solvent is prepared; then, propiconazole technical material is dissolved in the mixed solvent after ultrasonic and nanometer grinding treatment, to obtain a propiconazole solution; then, oligosaccharin is added to prepare a compound stock solution through gradient stirring; subsequently, lentinan, a surfactant, a composite stabilizer and other additives are sequentially added, and the final product is obtained through secondary filtration and constant volume. The present application solves the problems of poor lipid-water compatibility, insufficient extreme environmental stability and weak crop stress resistance adaptation of the existing compound preparation, realizes the synergy of "anti-fungus-anti-virus-cold resistance-lodging resistance-quality improvement and yield increase", is especially suitable for cold rice, tobacco and other crops, and is compatible with the existing production line, so it has a wide application prospect.

The invention relates to the technical field of pesticides, in particular to a bactericidal composition for preventing and treating brassica juncea pods black spot and application of the bactericidal composition. The bactericidal composition provided by the invention is prepared by taking the pydiflumetofen and the propiconazole as synergistic active components and compounding according to a scientific ratio. System field trials verify that when the mass ratio of the two is (1-3): (1-3), the bactericidal composition shows a remarkable synergistic effect on the rape pod black spot, the highest control effect can reach 71.88%, the control effect is far better than that of a single agent and a conventional ratio, and the bactericidal composition can effectively control the rape pod black spot. The composition can significantly reduce the risk of pathogenic bacterium resistance and reduce the dosage, and is safe and harmless to crops. The invention also discloses a water-based preparation form of the compound and application of the compound in preparation of a special bactericidal pesticide, and an innovative solution is provided for disease prevention and control in the rape industry.