37 results about "Octanone" patented technology

The invention discloses a Schiff base surface active agent named 2-octanone condensation-compound ethylenediamine and application thereof. The structural formula of the 2-octanone condensation-compound ethylenediamine is as follows. The 2-octanone condensation-compound ethylenediamine is applied to alkaline Zn-Ni batteries as mercury substituting corrosion inhibition additives and used for preventing corrosion, dendritic growth, deformation, migration and the like of zinc electrodes. The 2-octanone condensation-compound ethylenediamine can effectively prevent alkaline electrolytes from corroding the zinc electrodes. Moreover, the cyclic voltammetry and zinc migration experiments prove that the 2-octanone condensation-compound ethylenediamine plays good roles in inhibiting the dendritic growth, the deformation and the migration of the pasted zinc electrodes.

The invention discloses a method for extracting lithium isotopes. A chelating agent and a diluent are prepared into an extractive organic phase, and the lithium isotopes are extracted from and separated out of a lithium salt water phase. Hydrophobic ionic liquid with a crown ether structure is adopted as the chelating agent and composed of positive ions and negative ions, wherein positive ions with a structural formula I and / or a structural formula II are adopted as the positive ions. One or more of PF6<->, (SO2CF3)2N<->, (SO2CF2CF3)2N<-> and BF4<-> is / are adopted as the negative ions. One or more of kerosene, octanone, chloroform, dichloromethane, carbon tetrachloride, tetrachloroethylene, nitrobenzene, methylbenzene, dimethylbenzene, diethylbenzene, bromobenzene, anisole, nitromethane, 2-methylcyclohexanone, methylisobutylketone, chlorobenzene, dichlorobenzene, trichlorobenzene and diphenyl ether is / are adopted as the diluent. The method has the advantages of being safe, green, efficient and good in stability and can be used for multi-stage enrichment and separation of the lithium isotopes.

The invention discloses a lure agent for luring locusts and a lure prepared from the same and an application of the lure agent and the lure, and belongs to the technical field of pest control. The lure agent is prepared from hexaldehyde, cis-3-hexenol, benzaldehyde, 2-methyl-2-pentenal, 2-octanone and paraffin oil. The lure for luring locusts is prepared by the following preparation method: takingsolutes hexaldehyde, cis-3-hexenol, benzaldehyde, 2-methyl-2-pentenal and 2-octanone, adding the solutes hexaldehyde, cis-3-hexenol, benzaldehyde, 2-methyl-2-pentenal and 2-octanone into a solvent paraffin oil, and fully dissolving the solutes in the solvent according to the solute concentration of 0.01%-0.1% to obtain a lure agent; and putting a rubber strip into the lure agent at normal temperature, soaking the rubber strip for more than 6 hours, drying the rubber strip in the shade, and sealing the rubber strip with plastic to obtain the lure. The locust lure agent can be used for controlling locust behaviors, preventing and controlling locusts and monitoring the quantity dynamics of the locust population. The chemical compound is derived from a host plant of locusts, so that the chemical compound has no toxic effect on the environment and human, livestock and poultry, is safe to natural enemies, and belongs to a natural pesticide.

The invention discloses a Schiff base surface active agent, namely, 2-octanone-p-phenylenediamine, and an application thereof. The structural formula of 2-octanone-p-phenylenediamine is as follows. 2-octanone-p-phenylenediamine is applied to alkaline nickel zinc batteries, used as a corrosion inhibition additive substituted for mercury and used for preventing phenomena of corrosion, dendritic growth, deformation, migration and the like of a zinc electrode. 2-octanone-p-phenylenediamine can effectively prevent an alkaline electrolyte from corroding the zinc electrode; and the cyclic voltammetry and a zinc migration experiment show that 2-octanone-p-phenylenediamine has better inhibiting effects on dendritic growth, deformation and migration of the pasted type zinc electrode.

The invention discloses a preparation method of 2-dimethyl-2-octanol. Methyl Grignard reagent is prepared by using methyl magnesium chloride or methyl magnesium bromide as an initiator. The 2-dimethyl-2-octanol is prepared by carrying out reaction of the methyl Grignard reagent and 2-octanone. The preparation method of the 2-dimethyl-2-octanol is suitable for continuous production, iodine is used for initiation for the first time, halogenated methane liquid state is added in the iodine in a dropwise manner to prepare an methyl magnesium chloride initiator and an methyl magnesium bromide initiator, and the methyl Grignard reagent produced in the previous production is completely adopted as the initiator in subsequent production to carry out the continuous production. The properties of the initiators of the preparation method are relatively stable. The initiator is easy to store, compared with a common initiator, the initiator has the advantages of being fast in initiation speed, strong in generality, low in usage, convenient to store and low in toxicity and the like, and is especially suitable for the preparation for the Grignard reagent in mass production. According to the preparation method of the 2-dimethyl-2-octanol, preparation safety is good, and production yield is high.

The present invention relates to the use of 1-octen-3-ol, 3-octanone, isoamyl formate, or a mixture thereof, as a nematicide.

The invention discloses a Schiff base surface active agent named 2-octanone condensation compound 2,6-pyridine sym-diformylhydrazine and application thereof. The structural formula of the 2-octanone condensation compound 2,6-pyridine sym-diformylhydrazine is shown in the specification. The 2-octanone condensation compound 2,6-pyridine sym-diformylhydrazine is applied to alkaline Zn-Ni batteries as mercury substituting corrosion inhibition additives and used for preventing corrosion, dendritic growth, deformation, migration and the like of zinc electrodes. The 2-octanone condensation compound 2,6-pyridine sym-diformylhydrazine can effectively prevent alkaline electrolytes from corroding the zinc electrodes. Moreover, the cyclic voltammetry and zinc migration experiments prove that the 2-octanone condensation compound 2,6-pyridine sym-diformylhydrazine plays good roles in inhibiting the dendritic growth, the deformation and the migration of the pasted zinc electrodes.

The invention discloses azabicyclo[3.2.1]octan-3-one compounds, composition containing the compounds as well as a preparation method of the compounds and belongs to the field of medicines. L-camphoroxime is prepared through a reaction of L-camphor as a starting material and hydroxylamine, is subjected to a reaction with propargyl bromide through Beckmann rearrangement and finally is subjected to aHuisgen cycloaddition reaction with azido substituted benzene, and the azabicyclo[3.2.1]octan-3-one compounds are obtained. The prepared azabicyclo[3.2.1]octan-3-one compounds are novel in structureand have remarkable effects in in-vitro anti-tumor activity tests.

The invention relates to a synthesis method of spiro[2.5]octane-5-carboxylic acid, and is used for solving the technical problems of the existing method that the synthesis operation is difficult and the raw materials are expensive. A conventional industrial raw material 1,3-cyclohexanedione is used as a start raw material which reacts with methanol through the catalysis of concentrated sulfuric acid to obtain 3-methoxy-cyclohexenone; 3-methoxy-cyclohexenone is cyclized with an ethyl Grignard reagent in the presence of Lewis acid to obtain 5-methoxyspiro[2.5]oct-4-ene; in the presence of p-toluenesulfonic acid, 5-methoxyspiro[2.5]oct-4-ene is stirred in tert-methyl ether at room temperature to obtain spiro[2.5]oct-5-one; and in the presence of alkali and ethanol, spiro[2.5]oct-5-one reacts with p-tosyl isonitrile at 50 DEG C by taking dimethoxyethane as a solvent to obtain spirao[2.5]oct-5-nitrile; and reflux hydrolysis is performed in an alkaline condition to obtain spiro[2.5]octane-5-carboxylic acid.

The invention relates to a fire extinguishing agent composition, which comprises 45-65 wt% of dodecafluoro-2-methyl-3-pentanone, 15-30 wt% of 5-methyl-2-octanone, 10-30 wt% of unsaturated oil, and 1 wt% of a covering flavoring agent, wherein the unsaturated oil is selected from palmitoleic acid, linolenic acid and ricinoleic acid. The fire extinguishing agent composition of the present invention has characteristics of high fire extinguishing efficiency, good environmental protection performance and no toxicity, and can be effectively used for various fire disasters.

The invention discloses a special fatty acid product for improving the beef cattle growth performances. The special fatty acid product comprises the following components in part by weight: 1-2 parts of vanillin, 0.2-1 part of ethyl vanillin, 1-3 parts of gamma-nonanolactone, 0.1-0.5 part of gamma-undecalactone, 90-99 parts of propylene glycol, 1-3 parts of butyric acid, 0.1-0.6 part of gamma-octalactone, 0.1-0.5 part of delta-decalactone, 0.1-0.5 part of delta-dodecalactone, 0.02-0.06 part of delta-undecanolactone, 0.3-0.8 part of octylic acid, 0.5-1.5 parts of isovaleric acid, 0.1-0.3 part ofdihydrocoumarin, 0.2-1 part of caproic acid, 0.1-0.3 part of 2-octanone, 0.02-0.08 part of amyl butyrate, 0.2-1 part of ethyl butyrate and 0.1-0.5 part of acetic acid. The special fatty acid productdisclosed by the invention has the benefits that through studying the preferences to the taste and the smell of beef cattle, a phagostimulant capable of improving the beef cattle feed intake is prepared; through adding a moderate amount of fatty acid, the multiple growth performances of the beef cattle are significantly improved.

The invention provides a synthetic method of a composite anti-aging agent. According to the method, 2-octanone and 4-aminodiphenylamine are used as basic raw materials, continuous condensation hydrogenation reaction is carried out in a platinum-carbon catalyst and a fixed bed, and certain reaction conditions are controlled to obtain an anti-aging agent 688. The anti-aging agent 688 is produced byusing a more efficient catalyst, so that the ratio of converting the reaction raw material 2-octanone into 2-octanol is reduced, the utilization rate of the reaction raw materials is improved, and thetreatment difficulty of a reaction liquid is reduced. The anti-aging agent 688 and an anti-aging agent TMQ are compounded according to a certain proportion under the conditions of nitrogen protectionand heating to produce an anti-aging agent 8PPD.

The invention relates to a synthetic method of 3-deoxidized-D-sweet dew-2-octulosonic ammonium salt. The synthetic method comprises the following steps: using D-sweet dew as a raw material and performing the reaction on D-sweet dew and 2,2-dimethoxy propane; protecting hydroxy at 2 and 3 positions and 5 and 6 positions by isopropylidene to obtain an intermediate in a formula I; performing the reaction on a product in the formula I and 2-dimethoxy phosphoroso-2-dimethyl tertiary butyl silica ethyl acetate in a formula II to obtain an intermediate in a formula III; removing a silicyl oxide protecting group in a product in the formula III to form intramolecular hemiketal so as to obtain an intermediate in a formula IV; performing the deprotection, saponification and ammonium salt formation reaction on a product in the formula IV to obtain the final product 3-deoxidized-D-sweet dew-2-octulosonic ammonium salt. The method has the advantages of low price of the raw material, easiness for obtaining the raw material, mild reaction condition, simplicity and convenience for operation, high safety, high route total yield, simplicity for purification treatment on the final product and stable quality of the final product, and thus, the synthetic method disclosed by the invention enables the total cost to be greatly reduced and is suitable for the requirements on large-scale industrial production.

The invention provides a method for extracting 2-octanone from crude 2-octyl alcohol and hydrogenating to prepare 2-octyl alcohol. The method comprises a reaction for extracting 2-octanone from crude2-octyl alcohol and a hydrogenating reaction, and the hydrogenating reaction is continuously carried out for 6 h at a temperature of 88 DEG C under a pressure of 3.5 MPa, at a hydrogen flow velocity of 120 ml / min and at a hydrogen / oil volume ratio of 4000:3. The invention also provides a catalyst. The catalyst comprises an active carbon carrier and a composite catalyst powder according to a ratioof 2:3, and the composite catalyst powder comprises 30 parts of diatomite, 15 parts of nickel oxide, 3 parts of zinc aluminate, 2 parts of titanium oxide, 8 parts of boron trioxide, 11 parts of alumina and 8 parts of zirconia. The catalyst has obviously improved catalyst and prolonged service life under same technologic conditions, can create more product values under same production raw materials, and also has the advantages of high selectivity, short reaction period, low cost, saving of the impurity removal process, and significant comprehensive economic benefit.

The invention discloses a bicyclo [3, 3, 0] cyclooctanone derivative as shown in a formula (I) (See the specification) and a synthesis method thereof. The bicyclo [3, 3, 0] cyclooctanone derivative asshown in the formula (I) is synthesized from an octatomic cycloenol compound as a raw material under the action of a catalyst and an additive. The preparation method disclosed by the invention has the advantages of simple and easy-to-synthesize raw materials, simple and convenient post-treatment, good universality, good yield, environmental friendliness and the like. The bicyclo [3, 3, 0] cyclooctanone derivative disclosed by the invention is a main structural unit in many natural products and drug molecules, and most of the bicyclo [3, 3, 0] cyclooctanone derivatives have relatively high biological activity and have important research value in the aspect of drug synthesis.

The invention provides a method for trapping and killing empoasca vitis by using mint volatile matter. The empoasca vitis is used as test insects, six kinds of volatile matter of mint plants are used as smell sources, the six kinds of volatile matter comprise cis-3-hexenyl acetate, 3-octanone, caryophyllene, alpha-phellandrene, eucalyptol and gamma-terpinene, n-hexane is used as solvents to be prepared into trapping and killing agents according to the proportional combination being 1:0.112:0.1-12:0.1-12:0.1-12:0.1-12, the trapping and killing agents are carried with a rubber head to be made into a trapping core and attached to a bud green round sticky trap, and trapping and killing are performed at peaks of the empoasca vitis. According to the method, the weed mint volatile matter which is common in a tea garden is used for trapping and killing the empoasca vitis which is the most important injurious insects, the use amount of chemical pesticide is reduced, and the problems that drug resistance of the empoasca vitis occurs, pesticide residues of tea leaves exceed the standard, and the number of subordinate injurious insects is increased to cause rampancy are solved. The trapping and killing agents of the empoasca vitis are high in trapping efficiency, safe, free of pollution and compatible with the environment, the trapping speed is high, use is convenient, and cost is low.

The invention discloses a synthesizing method of cinchodiketone monooxime, which comprises the following steps: adopting 2-octanone as raw material; setting the molar rate of 2-heptanone and amyl nitrite at 1: 0.6-1: 3; dripping amyl nitrite in the condition of dilute alcaine as raw material to react at 20-100 Deg C for 2-10h.

The invention discloses a bicyclic [3,3,0] cyclooctanone derivative as shown in the formula (I) and a synthesis method thereof. The eight-membered cycloalkenol compound is used as a raw material, and the catalyst and the additive Next, the bicyclo [3,3,0] cyclooctanone derivatives as shown in formula (I) are synthesized. The preparation method of the invention has the advantages of simple and easy synthesis of raw materials, convenient post-treatment, good universality, good yield, environmental friendliness and the like. The bicyclic [3,3,0] cyclooctanone derivatives disclosed in the present invention are the main structural units in many natural products and drug molecules, most of which have strong biological activity, and have great research value in drug synthesis.

The invention provides an attractant for promoting salivary protein secretion of mycophagous flour mites, and a salivary protein collection method. The attractant comprises a solvent and an attractant component dissolved in the solvent; the solvent comprises a sucrose aqueous solution; and the attractant component is prepared from 3-octanone and alpha-terpinene. According to the attractant for promoting salivary protein secretion of the mycophagous flour mites, provided by the invention, through the synergistic effect of the sucrose aqueous solution, the 3-octanone and the alpha-terpinene, the mycophagous flour mites are attracted by utilizing the volatility of the 3-octanone and the alpha-terpinene; and 3-octanone, alpha-terpinene and the sucrose aqueous solution are used for stimulating the lured mycophagous flour mites to secrete salivary proteins, so that the secretion amount of the salivary proteins is increased, and the difficulty of obtaining the flour mite salivary protein is reduced.

The invention relates to a fungus capable of producing fragrant substances, and belongs to the technical field of fungus biology. The fungus is a talaromyces purpureogenus strain TapuXJ14C02 preserved in the Guangdong Microbiological Culture Collection Center on April 9, 2021, the preservation number is GDMCC.No 61600, and the preservation address is building 59, No.100 Courtyard, Xianlie Middle Road, Guangzhou. The fragrant substances generated by the strain comprise valerian-4,7(11)-diene, isoamyl isovalerate, 3-octanol, isoamyl senecioate, isolongifolene, 2-methylbutyl-3-methylbutyrate, isobutyl isovalerate, ethylheptyl-4-enoate, 3-octanone and decamethylcyclopentasiloxane. The fragrant substances of the strain are unique in composition, diversified in function and easy to extract, and have very high potential application value.

The invention discloses a method for identifying natural grazing yak meat and barn feeding fattening yak meat. According to the invention, headspace solid phase microextraction (HS-SPME) technology and gas chromatography-mass spectrometry (GC-MS) technology are adopted to analyze the composition of flavor substances in yak meat; 2-methylbutyraldehyde and 1-hexanol are detected in a natural grazingyak meat group, and the two substances are not detected in a barn-feeding fattening yak meat group by analyzing main components of volatile flavor components of the natural grazing yak meat group; 2-octanone, 2-nonenal, (+)-limonene, acetic acid, benzoic acid and benzonitrile are detected in a barn-feeding fattening yak meat group, and the substances are not detected in a grazing group. Therefore, the yak meat in the two breeding modes can be effectively distinguished through the difference of the substance components.

The present invention provides a kind of compound that improves the amount of predation and egg laying of small flower stinkbug, which consists of 50 μg / ml of n-hexanal, trans-2-nonenal, 2-methylbutyraldehyde, 1-octene-3-alcohol , hexanol, 3-octanol, phyllyl isobutyrate, phyllyl valerate, 3-octanone, and ocimene are mixed in the same proportion. The complex is an active substance screened from volatiles of various pest host plants. It is formulated according to the proportion. It has various types and strong complementarity of action sites. It can stimulate the reproductive behavior of small flower bugs and greatly increase the egg production of small flower bugs, which can be increased by 40% compared with normal conditions. The compound of the invention has multiple effects, provides a basis for the research on the chemical ecology and neurobehavioral mechanism of the florid bug, and provides a stable insect source for the effective use of the florid bug in the field for pest control.

The invention discloses a synthesizing method of 3-octanalkylene-2-ketone, which comprises the following steps: 1. reacting acetone and valeraldehyde through condensation to prepare 4-hydroxy-2-octanone at 5-40 Deg C for 4-6h; making the molar rate of valeraldehyde and acetone at 1 / 3-1 / 5; adopting piperidine, pyrrolidone and dibutylamine as catalyst; 2. dehydrating 4-hydroxy-2-octanone through acid to prepare 3-octanalkylene-2-ketone for 0.5-1h; adopting the acid from dilute sulfuric acid, dilute hydrochloric acid, phosphoric acid and p-toluenesulfonic acid; making the solvent from cyclohexane, benzene and toluene.

The present application provides an oral composition containing tranexamic acid which can suppress discoloration of a preparation after high-temperature storage and have excellent appearance stability, and a method for inhibiting discoloration thereof. The oral composition is characterized in comprising (A) tranexamic acid, (B) cationized cellulose, and (C) tea extract, by mass ratio, [(A)+(B)] / (C) is 0.5 to 200, and (B) / (C) is 0.2 to 100 by mass ratio; and the oral composition further contains One or more selected from (D) 3-octanol, 3-octyl acetate, and 3-octyl ketone and anthrone. The method for inhibiting discoloration is characterized in that in the oral composition containing the components (A) and (B), the component (C) is mixed so that The mass ratio of [(A)+(B)] / (C) and the massratio of (B) / (C) are within the above ranges respectively.

The invention relates to a fungus producing fragrance substances, belonging to the field of fungal biotechnology. The fragrance-producing fungus is Talaromyces purpureogenus strain TapuXJ14C02, and the Talaromyces purpureogenus strain TapuXJ14C02 has been preserved in the Guangdong Provincial Microorganism Culture Collection Center on April 9, 2021, and the preservation number is GDMCC. No 61600, the preservation address is Building 59, Yard, No. 100, Middle Xianlie Road, Guangzhou. The fragrance substances produced by the bacterial strain include valerian-4,7(11)-diene, isoamyl isovalerate, 3-octanol, isoamyl terephthalate, isoflavene, 3-methylbutyric acid -2-methylbutyl ester, isobutyl isovalerate, ethylhept-4-enoate, 3-octanone, decamethylcyclopentasiloxane. The fragrance substances of the strain have unique composition, diverse functions, easy extraction, and have very high potential application value.

The invention discloses a glycolipid derivative based on Kdo as well as preparation and antibacterial application of the glycolipid derivative. The structural formula of the derivative is shown in the description, wherein in the formula, R1 is aliphatic amino (namely CH3(CH2)nNH-, n is equal to 1-17), and R2 is equal to -NH3 + Cl-; or R1 is -OH or -O-NH4+, and R2 is RCONH- (R is C1-18 saturated or unsaturated alkyl). Compared with the reported glycolipid, the glycolipid disclosed by the invention is a non-natural glycolipid compound prepared on the basis of an important monosaccharide Kdo (3-deoxy-D-mann-2-octanone acid) derived from gram-negative bacteria, and the compound can be used as a novel antibacterial substance.

The present invention relates to a biocatalytic process for producing a flavoring or a mixture of flavorings, comprising the steps of: providing a conversion medium containing a plant part from Grossulariaceae, from Rosaceae and / or from Vitaceae; contacting the conversion medium with at least one fungus from the division of Basidiomycota that is capable of forming a flavoring or a mixture of flavorings on the conversion medium; converting the plant part to form the flavoring or the mixture of flavorings with the aid of the fungus; and optionally obtaining the flavoring or the mixture of flavorings, wherein the flavoring or the mixture of flavorings preferably contains at least one compound selected from the group consisting of 2-octanone, 2-nonanone, 2-undecanone, linalool oxides, benzaldehyde, geraniol, 2-octanol, methyl anthranilate, 2-aminobenzaldehyde and linalool.