35 results about "Heptanone" patented technology

Organotin compositions having the formula RSnL3 and corresponding synthetic methods are described. R includes aromatic, cyclic and / or halogenated ether moieties, or polyethers, and L includes hydrolysable groups. The organotin compositions may be formed as radiation-patternable coatings on substrates. The coatings may have an average thickness from about 1 nm to about 75 nm and have the formula RSnOn(OH)3-2n, forming an oxo-hydroxo network, where R is a hydrocarbyl ether group with 1 to 30 carbon atoms and 0<n<3 / 2, wherein regions of the coating are soluble in 2-heptanone in a puddle development step following a bake at 150° C. for 120 seconds. The coatings may be radiation-patternable using UV, EUV or ion beam radiation, and corresponding methods are described.

An antifungal composition including a first essential oil, and a second essential oil, where the composition is configured to reduce disease onset, pathogen spread, or a combination thereof. Further, an antifungal compound including one or more aroma compounds selected from 4-(4-hydroxyphenyl)-2-butanone, furaneol, ethyl methylphenylglycidate, ethyl hexanoate, ethyl butanoate, beta-ionone, alpha-ionone, (R)-(+)-limonene, (S)-(-)-limonene, cis-3-Hexen-1-ol, nerol, linalool, 2-heptanone, alpha-terpineol, beta-damascenone, β-caryophyllene, ethyl 2-methylbutanoate, β-myrcene, gamma-octalactone, alpha-humulene, nerolidol, (E,E)-2,4-decadienal, (E,E)-α-farnesene, vanillin, phenylethyl acetate, citral, 3-methylbutan-1-ol, or a combination thereof.

The invention relates to the field of agricultural biotechnology and plant protection, and particularly provides application of 2-heptanone to preparation of a preparation for preventing and treating plant diseases. The bactericidal composition has a strong bacteriostatic effect on litchi colletotrichum gloeosporioides, strawberry colletotrichum gloeosporioides, mango leaf blight, pawpaw colletotrichum gloeosporioides, wheat gibberellic disease, mango colletotrichum gloeosporioides, tomato fusarium wilt, banana fusarium wilt, banana colletotrichum gloeosporioides and corn root rot. The fumigant developed on the basis of 2-heptanone and used for preventing and treating phytopathogen is expected to be used for preventing and treating compound diseases caused by various pathogenic bacteria, or comprehensively preventing and controlling different crop diseases in a crop rotation system, and has important development value.

The invention provides a strain of paenibacillus albidus and application thereof, and belongs to the technical field of bioengineering. The classification name of the yuan paenibacillus is Paenibacillus ehimensis WX01, the yuan paenibacillus is preserved in the China Center for Type Culture Collection, the preservation number is CCTCC NO: M2026113, and the preservation date is January 15, 2026. The paenibacillus brevis can be fermented to produce compounds 2-methylbutyric acid and 6-methyl-2-heptanone at the same time, and has the application prospect of preventing and treating plant diseases; according to the invention, further research finds that the concentrations of 2-methylbutyric acid and 6-methyl-2-heptanone obtained by the production of the paenibacillus brevis can reach 4.85 g / L and 48.34 mg / l respectively; the method for producing the 2-methylbutyric acid and the 6-methyl-2-heptanone through fermentation of the paenibacillus brevis is low in production cost, high in yield, high in safety and environmentally friendly.

This invention provides a strain of *Bacillus erythropoietinus* and its applications, belonging to the field of bioengineering technology. This *Bacillus erythropoietinus* is classified and named... Paenibacillus ehimensis WX01, deposited at the China Center for Type Culture Collection (CCTCC) with accession number CCTCC NO: M2026113, dated January 15, 2026, describes a strain of *Bacillus erinaceus* that can ferment and simultaneously produce 2-methylbutyric acid (2-methylbutyric acid) and 6-methyl-2-heptanone, showing promising applications in plant disease control. Further research revealed that the concentrations of 2-methylbutyric acid and 6-methyl-2-heptanone obtained through this strain can reach 4.85 g / L and 48.34 mg / L, respectively. The fermentation production of 2-methylbutyric acid and 6-methyl-2-heptanone using this strain is low-cost, high-yield, safe, and environmentally friendly.

The application provides a positive photoresist composition, which comprises a phenolic resin, a photosensitive compound and a mixed solvent, wherein the mixed solvent comprises a first solvent and a second solvent, the first solvent is selected from at least one of ethyl lactate, ethyl 3-ethoxypropionate, 4-methyl-2-pentanone and 2-heptanone; and the second solvent is selected from at least one of ethylene glycol monomethyl ether, propylene glycol monomethyl ether, diethylene glycol monomethyl ether, diethylene glycol dimethyl ether, propylene glycol methyl ether acetate, ethyl acetate and n-butyl acetate. The photoresist composition provided by the application has better stability than a photoresist composition using a single solvent, and can be better applied to an organic electroluminescent display.

The present invention addresses the problem of providing technology that can reduce off-flavors derived from free medium-chain fatty acids in aqueous-phase-containing foods containing triglycerides that contain medium-chain fatty acids as constituent fatty acids.　The present invention provides a food composition, said food composition comprising an oil phase and aqueous phase and comprising a prescribed amount of one or more components selected from the group consisting of allyl isothiocyanate, 1-hexanol, 2-heptanone, and butyric acid, wherein the oil phase contains a medium-chain fatty acid, and the medium-chain fatty acid is in the form of a triglyceride constituent fatty acid and / or in the form of a free medium-chain fatty acid.

The invention relates to an organic catalyst for 2-heptanone synthesis reaction and a preparation method and application thereof.The organic catalyst is prepared from, by weight, 7-45 parts of active components, 0.1-2.5 parts of auxiliaries and 50-120 parts of carriers, the active components comprise the first active component and the second active component, the weight ratio of the first active component to the second active component is (60: 1)-(3: 1); wherein the first active component is one or more of iron oxide, tungsten oxide, molybdenum oxide, titanium oxide, chromium oxide, vanadium oxide, copper oxide, zinc oxide, nickel oxide, cobalt oxide and manganese oxide; and the second active component is one or more of lanthanum, cerium, indium, praseodymium, neodymium, gadolinium and holmium.

The application discloses a three-metal active carbon supported catalyst and application thereof, and the catalyst takes active carbon as a carrier, and a first metal element, a second metal element and an auxiliary metal element are loaded on the carrier, wherein the first metal element is selected from Rh, W and Ir, the second metal element is selected from Ga, Sn and Mg, and the auxiliary metal element is selected from La, Ce and Y. The application is applied to the catalytic hydrogenation of 4-heptanone into 4-heptanol, and when the conversion rate of 4-heptanone reaches 100%, the product selectivity of 4-heptanol can reach 100%, the burden of product separation and purification in the later stage can be greatly reduced, and the production cost is lowered; no solvent is used in the catalytic reaction process, the reaction temperature is relatively low, and the green production requirement is met; the catalyst has high activity, the reaction time is relatively short, and the production efficiency can be improved.

The present invention discloses a novel camphor-based fluorescent probe for detecting the organophosphorus pesticide dimethoate, as well as its preparation method and application. The present invention uses camphor as a raw material, condenses it with ethyl isonicotinate to obtain 3-(pyridine-4-formyl)-1,7,7-trimethylbicyclo[2.2.1]2-heptanone, and then cyclizes it with 4-bromophenylhydrazine to obtain 2-(4-bromophenyl)-7,8,8-trimethyl-3-(pyridine-4-yl)-4,5,6,7-tetrahydro-2H-4,7-bridged methylindazole, which is then coupled with 4-formylphenylboronic acid to obtain 4 ′ ‑(7,8,8-trimethyl-3-(pyridin-4-yl)-4,5,6,7-tetrahydro-2H-4,7-methyleneindazol-2-yl)-[1,1′-diphenyl]-4-yl)methylene)benzofuran-3(2H)-one, which was then esterified with acetyl chloride. 3-Oxo-2-((4′-(7,8,8-trimethyl-3-(pyridin-4-yl)-4,5,6,7-tetrahydro-2H-4,7-methyleneindazol-2-yl)-[1,1′-diphenyl]-4-yl)methenyl)-2,3-dihydrobenzofuran-6-yl acetate (abbreviated as CPA-OAc) was obtained. This compound can undergo enzymatic hydrolysis with carboxylesterase. Under ultraviolet irradiation, the fluorescent color of the solution changes from colorless to green. Since dimethoate can effectively inhibit the activity of carboxylesterase, when dimethoate is added to the solution, the fluorescence of the solution changes from green to colorless. Therefore, this compound can be used as a fluorescent probe for detecting dimethoate.

The present invention relates to a compound of formula (I) or a pharmaceutically acceptable salt thereof, which is useful for the treatment of diseases and / or disorders in which System Xc plays a role.

The invention discloses an oxime type cross-linking agent, a deoximation type organosilicon sealant and a preparation method thereof, and the oxime type cross-linking agent is prepared by taking phenyltrimethylsilane and chlorine as raw materials to react to obtain a product 1, and then taking the product 1 and 5-methyl-3-heptanone oxime as raw materials to react to obtain the product 1, and the mass ratio of the product 1 to 5-methyl-3-heptanone oxime is 1: 1.4-1.5. The deoximation type organosilicon sealant comprises the following components: alpha, omega-dihydroxy polydimethylsiloxane, a modified filler, an oxime type cross-linking agent, a coupling agent and a catalyst. The deoximation type organosilicon sealant is high in curing efficiency, the 3-hour curing depth reaches 1.5-2.0 mm, the strength retention rate after damp-heat aging is remarkably improved, meanwhile, 5-methyl-3-heptanone oxime is released through curing, and the carcinogenic risk level of the sealant is reduced by two levels compared with that of diacetylmonoxime.

The invention discloses mangrove forest rhizosphere saline-alkaline tolerant bacteria and application thereof in promoting salt-tolerant growth of rice and corn, the strain is Cryptococcus aureus ZJ2, the accession number of GenBank is PX891070, and the strain is separated from mangrove forest rhizosphere soil, has excellent saline-alkaline tolerance and multiple growth promoting functions, can fix nitrogen, dissolve phosphorus, dissolve potassium, produce siderophores and secrete indoleacetic acid, and can be used as a saline-alkaline tolerant bacterial strain for promoting salt-tolerant growth of rice and corn, and the application of the mangrove forest rhizosphere saline-alkaline tolerant bacteria in promoting salt-tolerant growth of rice and corn. And two growth-promoting volatile organic compounds, namely 2-heptanone and 2-nonanone, are generated. The strain and a microbial preparation taking the strain as an effective component can remarkably promote germination in a bud stage and growth in a seedling stage of rice and corn under salt stress, and the stress resistance and yield of crops are improved. The invention enriches a saline-alkali tolerant microorganism resource library, fills the blank of application of mangrove forest-sourced growth-promoting bacteria in saline-alkali soil, provides a new scheme for yield increase and quality improvement of saline-alkali soil grain crops, and has a wide application prospect.

Disclosed is a lactic acid bacteria-containing beverage, comprising: at least one ingredient selected from the group consisting of acetoin, diacetyl, 2-heptanone, acetic acid, propionic acid, and caproic acid. In the lactic acid bacteria-containing beverage, A + B + 200C + 10D + 10E + 10F is adjusted to 0.2 or more, where A is the concentration of acetoin (ppm), B is the concentration of diacetyl (ppm), C is the concentration of 2-heptanone (ppm), D is the concentration of acetic acid (ppm), E is the concentration of propionic acid (ppm), and F is the concentration of caproic acid (ppm). The taste disharmony is improved in the lactic acid bacteria-containing beverage.

The application relates to the field of agricultural biotechnology and plant protection, and specifically provides application of 2-heptanone in preparation of a preparation for preventing and treating plant diseases, the 2-heptanone has broad-spectrum bacteriostasis, and has strong bacteriostasis on colletotrichum gloeosporioides, colletotrichum acutatum, mycosphaerella musicola, colletotrichum caricae, fusarium graminearum, colletotrichum musae, fusarium solani, fusarium oxysporum, colletotrichum musae, and fusarium verticillioides. The fumigant for preventing and treating plant pathogens developed based on the 2-heptanone is expected to be used for preventing and treating complex diseases caused by various pathogens, or comprehensively preventing and controlling different crop diseases in a crop rotation system, and has important development value.

The present invention relates to silicone formulations comprising an oxime silane crosslinker comprising 5-methyl-3-heptanone oxime. The silicone formulations of the present invention exhibit significantly improved early cracking behavior and / or skinning times compared to silicone formulations using conventional oxime silane crosslinkers. The present invention relates to the corresponding cured silicone formulations, the use of cured silicone formulations and the use of such oxime crosslinkers in the field of silicone formulations. The present invention also relates to oxime crosslinkers.

The invention belongs to the field of pharmaceutical and chemical engineering, relates to a green preparation method of an anti-influenza virus derivative key intermediate dibenzoselenoheptanone compound, and belongs to the field of pharmaceutical and chemical engineering. According to the preparation method, N, N-dimethylformamide and oxalyl chloride are utilized to perform in-situ activation on carboxylic acid to obtain an acyl chloride intermediate, then an intramolecular Friedel-Crafts acylation reaction is performed under promotion of cheap lewis acid anhydrous AlCl3 or FeCl3 and superacid TMSOTf, the dibenzoselenoheptanone compound is efficiently prepared, and particularly, the invention relates to preparation of 7, 8-difluorodibenzo [b, e] selenoheptyl-11 (6H)-ketone. According to the synthesis method disclosed by the invention, the use of polyphosphoric acid in an existing synthesis route is avoided, and the reaction is completed in a mild temperature range of 0-25 DEG C by introducing superacid, so that the problem that the dibenzoselenoheptanone compound is unstable at a high temperature and is difficult to prepare is effectively solved; and meanwhile, the harsh requirement of repeated heating and cooling in the original process is avoided, the reaction time is remarkably shortened, the energy consumption is reduced, the comprehensive production cost is effectively reduced while the process safety is improved, and the method is more in line with the production concept of green chemical industry.

The present invention relates to a biocatalytic process for the production of aroma chemicals by carboligation using a transketolase (EC 2.2.1.1) as shown for transketolase from Geobacillus stearothermophilus and several sequence variants to catalyse the conversion of a donor molecule selected from 2-oxobutanoic acid and 3-methyl-2-oxopentanoic acid and an acceptor molecule selected from propanal and 2-methylbutanal, two identical or different donor molecules, or two identical or different acceptor molecules, thereby obtaining a coupling product in the presence of coenzyme thiamine diphosphate, the products being 3-hydroxy-5-methyl-heptan-4-one, 4-hydroxy-5-methyl-heptan-3-one, 5-hydroxy-3,6-dimethyl-octan-4-one and 4-hydroxy-hexan-3-one as precursor for filbertone.

The invention belongs to the technical field of new energy battery recovery, and discloses an electrolyte leaching solvent as well as a preparation method and application thereof. The electrolyte leaching solvent comprises a first component, a second component, a third component, a fourth component and a solubilizing solvent; the first component is selected from esters; the second component is selected from nitriles; the third component is a compound as shown in a formula I, and R1-R6 in the formula I are the same or different fluorine substituent, methoxyl, ethoxyl, fluorine-substituted methoxyl, fluorine-substituted ethoxyl or phenoxyl. And the fourth component is at least one of perfluoro hexanone, perfluoro heptanone, perfluoro octanone and perfluoro nonanone. The electrolyte leaching solvent has the good lithium salt leaching rate, through cooperative use of the third component, the fourth component and the hydrotropy solvent, flame retardance of the volatile solvent is synergistically achieved, the leaching solvent has the property of high flash point or even no flash point, and the safety of the leaching solvent in the large-batch use process is greatly guaranteed.

It is an object of the invention to provide a chemical solution that ensures good in-plane cleanliness uniformity on a substrate and good wafer bevel cleanliness and exhibits high capability of preventing the occurrence of defects on the substrate upon contact with the substrate. It is another object of the invention to provide a chemical solution-housing article that houses the chemical solution. The chemical solution of the invention contains 2-heptanone, water, and a carbonyl compound having 6 to 8 carbon atoms other than 2-heptanone. The content of 2-heptanone is 60% by mass or more based on the total mass of the chemical solution, and the content of water is 1 to 1000 ppm by mass based on the total mass of the chemical solution. A P value determined from formula (1) is 3 to 10. P=−log10 (X×Y) formula (1). Here, X is the numerical value X when the concentration of water in the chemical solution is denoted by X mol / L, and Y is the numerical value Y when the concentration of the carbonyl compound in the chemical solution is denoted by Y mol / L.

The invention discloses a brown planthopper repellent as well as a preparation method and application thereof. The brown planthopper repellent comprises the following components: 2-heptanone, 2-heptanol, linalool and paraffin oil in a ratio of (0.02-0.2): (0.02-0.2): (0.02-0.2): (0.2-2). The pesticide composition can generate a repelling effect on brown planthoppers. The repellent has the characteristics of low cost, high efficiency, environmental friendliness, safety to human and livestock and the like. The nilaparvata lugens repellent disclosed by the invention has a wide industrialization prospect, is particularly suitable for being used in pollution-free production of crops due to the simple preparation method, and has wide economic, social and ecological benefits.

The invention provides a method for simultaneously preparing nonafluoroisobutyl ether and heptafluoroisobutyrate from bis (heptafluoroisopropyl) heptanone, i.e., the bis (heptafluoroisopropyl) heptanone and fluoroformate react under the catalytic action of alkali metal fluoride to obtain the nonafluoroisobutyl ether and the heptafluoroisobutyrate. The technical scheme provided by the invention has the following advantages: 1) the one-step reaction is realized for the first time to obtain the nonafluoroisobutyl ether and the heptafluoroisobutyrate; the process route is simplified, the equipment investment and the production complexity are reduced, and the technical economy is improved. And 2) compared with the existing nonafluoroisobutyl ether preparation technology, the method does not use a high-toxicity alkylating reagent dimethyl sulfate or diethyl sulfate, does not generate a large amount of difficult-to-treat and high-toxicity solid byproduct potassium methyl sulfate or potassium ethyl sulfate, and is safer and more reliable in process. 3) compared with the existing heptafluoroisobutyrate preparation technology, the technical scheme is simple in process, safe and reliable; the reaction selectivity is good, and byproducts are few; and the product is easy to separate and high in yield.

The invention belongs to the technical field of coatings, and discloses a multi-component anti-skinning composition based on oxime and an application of the multi-component anti-skinning composition. The compound is composed of oxime compounds, and specifically comprises acetoxime, propionaldehyde oxime, 2-butanone oxime, butyraldehyde oxime, 2-pentanone oxime, 3-pentanone oxime, methyl isopropyl ketoxime, methyl isobutyl ketoxime, pinacol oxime, cyclopentanone oxime, 2-hexanone oxime, 3-hexanone oxime, cyclohexanone oxime, 2, 2, 4, 6-tetramethyl-3-pentanone oxime, 2, 2, 4, 6-tetramethyl-3-pentanone oxime, 2, 2, 4, 6-tetramethyl-3-pentanone oxime, 2, 2, 4, 6-tetramethyl-3- the compound is selected from three or more of 3, 4, 4-tetramethyl-3-pentanone oxime, 4-methyl-2-pentanone oxime, 2-heptanone oxime, 3-heptanone oxime, 4-heptanone oxime, cycloheptanone oxime, 2-nonanone oxime, 5-methyl-2-hexanone oxime, 5-methyl-3-heptanone oxime, 6-methyl-2-heptanone oxime, benzaldoxime and acetophenone oxime. The anti-skinning coating has more excellent anti-skinning performance, and the quality of the oxidation drying type coating can still be stable after long-time storage.

The invention provides a preparation method of a modified ternary hydrotalcite-like adsorbent. The preparation method comprises the following steps: carrying out coprecipitation-hydrothermal treatment on mixed metal salts to obtain a ternary hydrotalcite-like material; a silane coupling agent is used for modification treatment. The adsorbent can effectively adsorb organic matters such as isooctanal, heptanone, heptane, isocaprylic acid and the like in the isooctanal oxidation waste gas, and has the characteristics of low production cost, large saturated adsorption capacity, long adsorption life and high adsorption efficiency, and the content of characteristic organic matters in the adsorbed waste gas is ppm level.

The application discloses a method for biocatalysis to generate C-glycoside, and belongs to the technical field of bioengineering. A glycosyltransferase is reformed through protein engineering to obtain a mutant with higher yield and regional selectivity. The obtained mutant QDP is used as a biocatalyst, BP-2, 2,4-dihydroxypropiophenone, 4-fluoro-2',4'-dihydroxybenzophenone or 4'-hydroxyphenylheptanone is used as a receptor substrate, and UDP-glucose is used as a donor substrate, so that corresponding C-glucoside modified products are catalytically synthesized, and the method has application value in the synthesis of glycoside compounds.

The present invention relates to mouse-attracting compositions that include one or more long-range volatiles, namely butyric acid, 2-methylbutyric acid, 4-heptanone, and 3-methylbutyric acid. The long-range volatiles are isolated, synthetic, or purified. The mouse-attracting compositions also comprise one or more short-range volatiles, such as progesterone and estradiol. Devices (housing or traps) for attracting mice comprising the compositions, as well as methods for attracting mice by delivering the compositions, are also described.

The present invention is based on the system Xc - The present invention relates to compounds of formula (I) or pharmaceutically acceptable salts thereof, which are useful in the treatment of diseases and / or disorders in which [Formula 1] JPEG2026506359000279.jpg7957