21 results about "Propiconazole" patented technology

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 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 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 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 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.

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 an application of streptomyces droomrhizosphere in inhibiting propiconazole-resistant colletotrichum truncatum, and belongs to the technical field of biological prevention and control of crop diseases. The biocontrol strain 14-3 is named as streptomyces maculatus, is preserved in the Guangdong Microbial Culture Collection Center, and has the preservation number of GDMCC No.63693. The invention further discloses a preparation method of the biocontrol strain 14-3. The strain has a good antagonistic effect on colletotrichum truncatum resisting propiconazole, and fermentation liquor of the strain can remarkably inhibit mycelial growth, conidium germination and attachment spore formation of pathogenic bacteria and can cause spore splitting decomposition. In addition, fermentation liquor of the strain also has an excellent prevention and treatment effect on soybean anthracnose caused by propiconazole-resistant colletotrichum truncatum.

This invention discloses a method for preparing a column aromatics-grafted cyclodextrin bicyclic chiral packing material and its application in the separation of chiral pesticides. This packing material separates brominated column aromatics from... β -Aminopropyl cyclodextrin is covalently grafted onto aminopropyl silica gel to form a bicyclic macrocyclic structure with multiple chiral recognition sites. The preparation process includes the catalytic condensation synthesis of brominated columnar aromatics and the bicyclic macrocyclic bonding reaction on the silica gel surface. This packing material exhibits high selectivity, multi-mode compatibility (can be used in both normal and reverse phases), and excellent stability. It is particularly suitable for the enantiomeric resolution of triazoles (propiconazole, triadimefon) and esters (clodinafop-propargyl), providing an efficient separation tool for the environmental behavior study and safety evaluation of chiral pesticides. This invention features a simple process and low cost, solving the problems of insufficient selectivity and narrow solvent applicability of existing chiral packing materials, and has the potential for industrial application.

The invention belongs to the field of chemical production, and particularly relates to a propiconazole purification method. The method comprises the following steps: dissolving a propiconazole crude product in a solvent, adding an extracting agent, water and acid to react, layering after the reaction, carrying out reduced pressure distillation to remove the solvent in an upper organic phase layer to obtain crude propiconazole, and carrying out reduced pressure distillation to obtain a refined propiconazole product; the solvent is toluene or xylene, the extracting agent is oleic acid or stearic acid, and the acid is hydrochloric acid or nitric acid. According to the high-yield and high-content propiconazole purification method provided by the invention, after toluene or xylene is added into a propiconazole crude product for dissolution, hydrochloric acid or nitric acid and water are added for acidification to form salt, an organic layer with high propiconazole isomer content is located at the lowest layer, an organic layer with high propiconazole content is located at the uppermost layer, and particularly, after oleic acid or stearic acid is added, the propiconazole isomer content is increased. The distribution of propiconazole in the upper organic layer is improved, and the yield of propiconazole is improved.