Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
37 results about "Alpha-terpinene" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Method for treating ocular demodex
InactiveUS20090214676A1Equally distributedFacilitate eradicationBiocideSenses disorderDiseaseDemodex
The present invention relates to a method for treating a disorder chosen from ocular Demodex, Demodex-induced blepharitis, rosacea, acne, and meibomian gland dysfunction in a patient in need thereof, comprising administering to the patient a composition comprising a therapeutically effective amount of a substance chosen from at least one of an isoprenoidal essential oil such as Tea Tree Oil; Terpinen-4-ol; (+)-Carvone; alpha-Terpineol; Cardinene; d-Carvone; l-Carvone; gamma-Terpinene; alpha-Terpinene; 1,8-Cineole; alpha-Terpineol; para-Cimene; alpha-Pinene; Limonene; (R)-(+)-Limonene; alpha-Thugene; Eucalyptol; (+)-Ledene; Cuminic Aldehyde; and Myrcene; the administration comprising contacting or scrubbing an affected area of skin or hair, or eyelid margin and lashes of the patient with the composition; also disclosed are a method for treating mange and mite infestations on a mammalian animal; and kits for in-office and at home treatments of the disorders.
Owner:TISSUETECH INC
Method for forming an ultra low dielectric film by forming an organosilicon matrix and large porogens as a template for increased porosity
Ultra low K nanoporous dielectric films may be formed by chemical vapor deposition of silicon-containing components and large non-silicon containing porogens having labile groups. In accordance with one embodiment of the present invention, a low K nanoporous film may be formed by the oxidative reaction between trimethylsilane (the silicon-containing component) and alpha-terpinene (the non-silicon containing component). In accordance with certain embodiments of the present invention, the oxidant can comprise other than molecular oxygen, for example water vapor introduced in-situ or remotely, and then exposed to RF energy to generate reactive ionic species.
Owner:APPLIED MATERIALS INC
Method for forming an ultra low dielectric film by forming an organosilicon matrix and large porogens as a template for increased porosity
InactiveUS20080107573A1Solid-state devicesSemiconductor/solid-state device manufacturingPorosityWater vapor
Ultra low K nanoporous dielectric films may be formed by chemical vapor deposition of silicon-containing components and large non-silicon containing porogens having labile groups. In accordance with one embodiment of the present invention, a low K nanoporous film may be formed by the oxidative reaction between trimethylsilane (the silicon-containing component) and alpha-terpinene (the non-silicon containing component). In accordance with certain embodiments of the present invention, the oxidant can comprise other than molecular oxygen, for example water vapor introduced in-situ or remotely, and then exposed to RF energy to generate reactive ionic species.
Owner:APPLIED MATERIALS INC
Purification method for 1, 8-cineole
ActiveCN103467475AReduce dosageReduce manufacturing costOrganic chemistryChemical recyclingAcetic acidGamma-terpinene
The invention discloses a purification method for 1, 8-cineole and particularly discloses a separation and purification method for 1, 8-cineole in low-content raw oil. The method is characterized by comprising the steps of (1) adding raw oil, acetic acid or a water solution of acetic acid and a catalyst into a reaction flask, wherein the raw oil contains 1, 8-cineole and limonene; (2) heating and stirring to react; (3) after the reaction is ended, filtering a reaction solution to recycle the catalyst, and carrying out reduced pressure distillation on an oil phase to obtain 1, 8-cineole with high purity. By using the purification method, the content of 1, 8-cineole in the raw oil can be kept constant after being treated, and the content of limonene as an impurity can be reduced to 0.2-1.1%, so that 1, 8-cineole with high purity can be obtained. Meanwhile, after reacting, limonene in the raw oil generates alpha-terpinene, gamma-terpinene, alpha-terpilenol and the like which all have higher additional values and can not affect the distillation of 1, 8-cineole, therefore, the purification method is a low-cost and green-chemical purification method.
Owner:云南森美达生物科技股份有限公司
Novel botanical pesticide and preparation method thereof
The invention discloses a novel botanical pesticide. In the invention, pure natural terpene compounds are taken effective pesticide ingredients. The novel botanical pesticide is prepared from the following raw materials by mass percent: 10-20% of alpha-pinene, 15-30% of beta-pinene, 20-30% of alpha-terpinene, 10-25% of iso-terpinene, 18-25% of limonene, and 4-8% of emulsifier. The invention further discloses a preparation method of the pesticide. The preparation method comprises the following steps: successively adding alpha-pinene, beta-pinene, alpha-terpinene, iso-terpinene and limonene in a reactor, and stirring to obtain a mixture A; then adding the emulsifier in the mixture A, and stirring to obtain the novel botanical pesticide which is the clear and transparent liquid. The novel botanical pesticide disclosed by the invention can rapidly and effectively kill various pests, has the advantages of no toxicity, no harm, no pollution and the like, and is an ideal pesticide.
Owner:XIAMEN BESTDO TECH DEV
Method for synthesizing 4-terpineol by catalyzing 1,4-cineole through supported acid catalyst
ActiveCN106631701AIncrease added valueReduce dosageMolecular sieve catalystsOrganic compound preparationGamma-terpineneMordenite
The invention discloses a method for synthesizing 4-terpineol by catalyzing 1,4-cineole through a supported acid catalyst. The method comprises the following steps: preparing a catalyst, preparing 4-terpineol and the like. According to the method for synthesizing 4-terpineol by catalyzing 1,4-cineole through the supported acid catalyst disclosed by the invention, the chromatogram content can be 5% or lower after the 1,4-cineole in the raw oil is completely reacted, while the selectivity of the 4-terpineol reaches 80% or higher. Meanwhile, in addition to the 4-terpineol produced in the reaction, alpha-terpinene, gamma-terpinene and the like with high additional value can be produced, and the used mordenite supported acid catalyst can be recycled. The method disclosed by the invention has the advantages of small catalyst dosage, high selectivity, short reaction time, simple and convenient process, simplicity in operation and the like.
Owner:云南森美达生物科技股份有限公司
Method for Treating Ocular Demodex
The present invention relates to a method for treating a disorder chosen from ocular Demodex, Demodex-induced blepharitis, rosacea, acne, and meibomian gland dysfunction in a patient in need thereof, comprising administering to the patient a composition comprising a therapeutically effective amount of a substance chosen from at least one of an isoprenoidal essential oil such as Tea Tree Oil; Terpinen-4-ol; Carvone; alpha-Terpineol; Cardinene; d-Carvone; l-Carvone; gamma-Terpinene; alpha-Terpinene; 1,8-Cineole; alpha-Terpineol; para-Cimene; alpha-Pinene; Limonene; (R)-(+)-Limonene; alpha-Thugene; Eucalyptol; (+)-Ledene; Cuminic Aldehyde; and Myrcene; the administration comprising contacting or scrubbing an affected area of skin or hair, or eyelid margin and lashes of the patient with the composition; also disclosed are a method for treating mange and mite infestations on a mammalian animal; and kits for in-office and at home treatments of the disorders.
Owner:BIOTISSUE HLDG INC
Making method for Stethynium empoascae Subba Rao attractant
Owner:CHINA JILIANG UNIV
Asafetida extract and its pharmaceutical use
InactiveCN1548037AGood application effectOdor maskingOrganic compounds purification/separation/stabilisationNervous disorderFencholHeroin
The present invention is asafetida extract and its pharmaceutical use, and aims at eliminating offensive odor of asafetida and providing one new use. The asafetida extract contains alpha-terpinene, 2-borneol, terpine tetraol, D-fenchol, pinocarveol, etc. and is extracted via conventional process. The asafetida extract is used in preparing drug addiction stopping medicine, and the medicine may be injection, capsule, tablet or granule.
Owner:王彦丁 +1
Medicine for preventing and treating mikania micrantha
ActiveCN101810182AGood choiceStrong systemic transport abilityBiocideAnimal repellantsOrganic solventMikania micrantha
The invention discloses a medicine for preventing and treating mikania micrantha, which comprises major ingredients of atrazine, 2, 4-D butyl ester and widepeint. The medicine comprises the following ingredients in percentage by weight: 5 to 70 percent of atrazine, 10 to 75 percent of 2, 4-D butyl ester, 1 to 50 percent of widepeint and 1 to 10 percent of organic solvents, wherein the atrazine adopts 40 percent of atrazine suspending agents or 50 percent of atrazine wettable powder, the 2, 4-D butyl ester adopts 72 percent of 2, 4-D butyl ester missible oil or 82 percent of 2, 4-D butyl ester missible oil, the widepeint adopts 6.9 percent of widepeint missible oil or 8.05 percent of widepeint missible oil, and the organic solvents adopt terpene substances, preferably pentadiene or alpha-terpinene. The medicine composition aims at simultaneously generating the prevention and treatment effect on the strong growth parts, nutrition conveyance parts or root system parts of the mikania micrantha. The medicine of the invention has the advantages of safety, high efficiency and economy when being used for preventing and treating the mikania micrantha, and in addition, the medicine effect can not be influenced by drizzle or moderate rain with one hour after the medicine spraying.
Owner:惠州市华景园林有限公司
Attractant of tomicus yunnanensis
The invention discloses an attractant of tomicus yunnanensis. The attractant comprises one or more of the following components: S-(-)-alpha-pinene, 1R-(+)-alpha-pinene, myrcene, (+)-camphene, (-)-camphene, alpha-terpinene, (+)-3-carene, (1s)-(-)-beta-pinene, (-)-limonene, (+)-limonene, (-)-Myrteneol, (s)-cis-verbenol, (-)-trans-verbenol and Cuparene. According to the attractant disclosed by the invention, the attractant containing a host and polypide volatile matter is utilized for attract tomicus yunnanensis massively, so that the tomicus yunnanensis is gathered in a certain device and then is killed; the attractant has the advantages of low cost, high efficiency, complete environmental friendliness, safety to people and livestock, incapability of generating drug resistance to insects and the like, so that the traditional passive chemical prevention and treatment can be replaced by active biological prevention and treatment; meanwhile, the aims of monitoring and forecasting the forestry insect pests can be achieved according to the amount of tomicus yunnanensis in the attractant.
Owner:INST OF FOREST ECOLOGY ENVIRONMENT & PROTECTION CHINESE ACAD OF FORESTRY
Components and formula of attractant of tomicus minor hartig
The invention discloses application of monoterpene and monoterpene alcohol as attractants of tomicus minor hartig consi and an attractant of tomicus minor hartig. One or more of the following components act as the application of the attractant of tomicus minor hartig consi: S-(-)-alpha-pinene, IR-(+)-alpha-pinene, myrcene, (+)-camphenee, (-)-camphene, alpha-terpinene, (+)-3-carnene, (1s)-(-)-beta-pinene, (-)-limonene, (+)-limonene, (-)-Myrtenol, (s)-cis-verbenol, (-)-trans-verbenol and cuparene.
Owner:INST OF FOREST ECOLOGY ENVIRONMENT & PROTECTION CHINESE ACAD OF FORESTRY
Preparation method for terpene maleimide
The invention discloses a preparation method for terpene maleimide, comprising the following steps: taking terpene mainly containing alpha-pinene, alpha-terpinene and bipentene or taking turpentine mainly containing alpha-pinene as raw materials, using modified hydrogen macroporous strong acidic styrene cation exchange resin as a catalyst, and performing an addition reaction with maleic anhydride via a static bed system with a rectification device and a phase splitter, wherein the intermediate product TM of the addition reaction is not separated but directly reacts with ammonia water in a kettle under the function of a copper-tungsten catalyst to obtain the target product terpene maleimide; the yield of the terpene maleimide is greater than 80% and the purity is greater than 90%; compared with the existing synthesis technology, the preparation method has the advantages of few side reactions, short technique process, capacity of continuous production, simple post treatment, less waste water emission, and the like.
Owner:GUANGXI XINJING TECH +1
Ceramisite proppant and preparation method thereof
InactiveCN110194658ALower firing temperatureHigh strengthFluid removalDrilling compositionWear resistantIsoprene
Belonging to the technical field of drilling aids, the invention discloses a ceramsite proppant and a preparation method thereof. According to the invention, bauxite and purple grit mud are adopted asthe raw materials to prepare ceramsite, at the same time wollastonite is added to lower the firing temperature of the product, manganese ore powder and alumina in bauxite can form a solid solution, thereby improving the mechanical strength of ceramsite. The wear-resistant surface filler prepared according to the invention adopts isoprene as the raw material, is introduced with rigid alpha-terpinene, and is compounded with 2-ethylhexyl acrylate, thus ensuring no damage to the internally wrapped ceramsite and reducing the breakage rate of ceramsite. The method provided by the invention utilizesa silane coupling agent to modify the ceramisite surface, also adds acrylamide and the like for grafting, utilizes the contained sulfonic group and other hydrophilic groups to absorb water, enables agood swelling process of the obtained proppant after encountering water, thus increasing the spacing of propped fractures and improving the propping efficiency. The method provided by the invention solves the problems of easy breaking under impact and low propping efficiency of existing proppants.
Owner:龙丹
Polymerization inhibitor for tetrafluoroethylene
ActiveCN101306979AAvoid cloggingHalogenated hydrocarbon separation/purificationGamma-terpineneTetrafluoroethylene
The invention provides a polymerization inhibitor preventing the self-polymerization of TFE and not modified to macromolecule body by oxygen in a distillation step, particularly in a rectification step, of TFE. The invention provides a method of distilling tetrafluoroethylene in the presence of the polymerization inhibitor comprising a cyclohexadiene compound of the formula: R<1>-A-R<2>, wherein R<1> is a hydrocarbon group having 1 to 5 carbon atoms, R<2> is a hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms, and A is a cyclohexadiene ring. The cyclohexadiene compound is preferably alpha-terpinene or gamma-terpinene.
Owner:DAIKIN IND LTD
Preparation method of alpha-terpinene high yield catalyst
InactiveCN104907094AHigh selectivityHydrocarbon by isomerisationOrganic-compounds/hydrides/coordination-complexes catalystsCarbon nanotubeSilicotungstic acid
The invention relates to a preparation method of a catalyst, and concretely relates to a preparation method of an alpha-terpinene high yield catalyst. The method comprises the following steps: 1, preparing silicotungstic acid; 2, immersing carbon nano-tubes in nitric acid with the concentration of 10-18% at normal temperature for 12h, washing, filtering, drying, dissolving silicotungstic acid in deionized water, uniformly stirring, adding the carbon nano-tubes into the obtained silicotungstic acid solution according to a mass ratio of silicotungstic acid to the carbon nano-tubes of 20-40:100, stirring for 4h, carrying out sealed ageing for 24-48h, drying, and roasting at 190DEG C for 3h to prepare carbon nano-tube supported silicotungstic acid. The carbon nano-tubes with large apertures are especially selected in the invention, and the aperture of the catalyst obtained after supporting the silicotungstic acid by the carbon nano-tubes is similar to the molecular effective path of alpha-terpinene, and the aperture is used to improve the product selectivity.
Owner:GUANGDONG UNIV OF PETROCHEMICAL TECH
Environment-friendly mosquito trapping apparatus
The invention discloses an environment-frinedly mosquito trapping apparatus. The apparatus comprises a box, a temperature controller, a heating tube, a temperature sensor, a case cover, a first filter screen, first air vents, a connection cover, a second filter screen, a motor, a rotation shaft, second air vents, a second storage battery, a transformer and a switch. A mosquito trapping formula in the box comprises 5%-10% parts of zingiberene, 8%-12% parts of alpha-phellandrene, 7%-8% parts of alpha-curcumene, 10%-15% parts of beta-myrcene, 8%-10% parts of cymene, 10%-20% parts of alpha-terpinene, 5%-10% parts of sugar and the balance water. The environment-friendly mosquito trapping apparatus has the advantages that the structure is simple, functions are powerful, operation is easy, double filtration of a heated mosquito trapping mixture in the box can be achieved, accordingly impurities in the heated mosquito trapping mixture are left in the box, users are protected, and the environmental protection is also promoted effectively.
Owner:SHANDONG INST OF PARASITIC DISEASES
A kind of preparation method of attractant for leafhopper tricladidae wasp
The invention provides a making method for a Stethynium empoascae Subba Rao attractant. The attractant is formed by combination of tea shoot volatile nerol, n-pentanol, alpha-terpinene and careen six components in certain proportion, and is loaded on a wool felt to make a lure core. The dose of each component is 10<-2>g / mL-10<-6>g / mL, and each lure core contains the six information-substances with a total volume of 100-200 microliters. Usually, during September to November every year, the Empoasca vitis Gothe population in tea garden enter the autumn peak season, and have substantial damage to tea, the dominant natural enemy Stethynium empoascae Subba Rao increases significantly in number, in the full incidence beginning period, a large number of Stethynium empoascae Subba Rao are attracted by the attractant to parasitize Empoasca vitis Gothe eggs so as to greatly enhance the natural parasitic rate, lower the Empoasca vitis Gothe Empoasca vitis Gothe, and reduce chemical control. The attractant does not pollute the environment, has no residue, and is beneficial to protection and utilization of tea garden biodiversity.
Owner:CHINA JILIANG UNIV
Use of 1-methyl-4-isopropyl-bicyclo[2, 2, 2] octane-2, 3-diacid anhydride
InactiveCN1629152ALow welding activityHigh soldering activity even at low temperatureOrganic chemistryWelding/cutting media/materialsHydrogen pressureCycloaddition
The invention relates to the novel use of welding agent which contains 2,2} octane-2,3-dianhydride as the main component, wherein a monoterpene derivative which includes acid anhydride functional group as the characteristic construction for welding agent, whose preparation comprises, using the Diels-Alder ring addition reaction product of alpha-terpinene and maleic anhydride as raw material, using 5% of Pd / C as catalyst, whose consumption is 1-10% of the raw material weight, the hydrogen pressure is 0.1-1.0Mpa, and the hydrogenation reaction is carried out at the condition of 20-35 deg. C, alcohols such as menthol or ethanol are used as solvent
![Use of 1-methyl-4-isopropyl-bicyclo[2, 2, 2] octane-2, 3-diacid anhydride](https://images-eureka.patsnap.com/patent_img/cc192d72-22bc-4af0-8612-d4c51114a8c5/A2004100439270002C1.PNG "Use of 1-methyl-4-isopropyl-bicyclo[2, 2, 2] octane-2, 3-diacid anhydride")
![Use of 1-methyl-4-isopropyl-bicyclo[2, 2, 2] octane-2, 3-diacid anhydride](https://images-eureka.patsnap.com/patent_img/cc192d72-22bc-4af0-8612-d4c51114a8c5/A20041004392700041.PNG "Use of 1-methyl-4-isopropyl-bicyclo[2, 2, 2] octane-2, 3-diacid anhydride")
Owner:HARBIN UNIV OF COMMERCE
Pharmaceutical use of Resina-Ferulae extract
InactiveCN1579374ACover up the smellGood detox effectNervous disorderSulfur/selenium/tellurium active ingredientsBisulfideAlcohol
The invention is a medicine producing use of asafetida extract, which relates to the use of extract of Chinese medicine asafetida. The asafetida extract is used to produce drug-breaking medicine. The drug-breaking medicine can be injection, pill dropping agent, tablet, particles, powder, oral liquid. The asafetida extract includes alpha-pinene, alpha-terpinenes, 2-borneol, terpine 4-alcohol, D-fenchyl alcohol, pinocarveol, beta-ocimene A, beta-ocimene B, di-secondary butyl disulfide, secondary butyl-antiform-1-butenyl disulfide, secondary butyl-synform-1-butyl-disulfide, secondary butyl-synform-propenyl disulfide, secondary butyl-antiform-2-butenyl disulfide, sulph-secondary butyl-antiform-methyl ethane disulfide. It uses xinjiang asafetida or fukang asafetida oil glue resin to produce with normal method.
Owner:王彦丁 +1
Lepidoptera insect insecticide synergist
ActiveCN105766947AReduce dosageImprove insecticidal effectBiocideDead animal preservationAdditive ingredientOrder Lepidoptera
The invention discloses a lepidoptera insect insecticide synergist. Active ingredients of the lepidoptera insect insecticide synergist include iso-ascaridole, alpha-terpinene and germacrene B, a mass concentration ratio of the iso-ascaridole to the alpha-terpinene to the germacrene B in a solvent is 1-20:1-10:1-15, and the active ingredients can be extracted from dysphania ambrosioides or chenopodium aristatum. When the insecticide synergist is used for killing lepidoptera insects, a volume percentage concentration of the iso-ascaridol, the alpha-terpinene and the germacrene B in an insecticide is 1-15%. According to pharmacodynamic tests, insecticide efficacies can be remarkably improved by consumption of a small quantity of the lepidoptera insect insecticide synergist, and insecticide consumption can be reduced by 20-45% under equal control effects, so that insecticide consumption is effectively reduced, drug resistance of harmful organisms is overcome and weakened, environment pollution is reduced, and remarkable economic benefit and environment protection significances are achieved.
Owner:INST OF PLANT PROTECTION FAAS
Method for preparing anti-rust emulsifier by using industrial by-product terpinene
InactiveCN104672112ASufficient sourceLow costSulfonic acids salts preparationAdditivesSulfonateAlpha-terpinene
The present invention discloses a method for preparing an anti-rust emulsifier by using an industrial by-product terpinene. The method is characterized in that the main components such as alpha-terpinene and alpha-butenoic acid in terpinene are subjected to an addition reaction, the produced addition product terpinene butenoic acid is subjected to an epoxidation reaction under the effect of an acid catalyst, the generated epoxidated terpinene butenoic acid compound and concentrated sulfuric acid are subjected to a sulfonation reaction, and finally alkali neutralization is performed so as to generate the hydroxyl-containing terpinene butenoic acid sodium sulfonate anti-rust emulsifier. According to the present invention, the industrial by-product terpinene with characteristics of adequate source and low cost is adopted as the raw material to synthesize the emulsifier having the good anti-rust property; and the reaction operation is simple and is easy to perform, and the method is suitable for industrial production.
Owner:修建东
Bactrocera dorsalis attractant
ActiveCN106614577AEasy to prepareEasy to useBiocidePest attractantsOrganic solventBactrocera dorsalis
The invention provides a bactrocera dorsalis attractant. The attractant comprises a component A and a component B, wherein the component A is alpha-terpinene and / or myrcene and the component B is an organic solvent; the volume ratio of the component A to the component B is (20 to 3) to (70 to 80); the attractant can be stored in a slow releasing bottle or a sexual information disorientation diffusion device; volatile gas molecules in the slow releasing bottle or the sexual information disorientation diffusion device can be dispersed to the outer part of a carrier and attract bactrocera dorsalis to a sticky trap, so that the bactrocera dorsalis is stuck on the sticky trap. The bactrocera dorsalis attractant provided by the invention has stable chemical properties under a normal temperature and a normal pressure and is green and environmentally-friendly; furthermore, the attractant has the advantages of easiness of obtaining raw materials, simplicity in preparation, convenience in utilization, good attracting effect on the bactrocera dorsalis and long durable effect.
Owner:INST OF PLANT PROTECTION JIANGXI ACAD OF AGRI SCI
Selective purification of mono-terpenes for removal of oxygen containing species
A process for purifying monoterpenes, including the steps of: providing a monoterpene comprising alpha terpinene of about 90% or greater purity and comprising an oxygen-containing impurity compound selected from the group consisting of 1,8-cineole, 1,4,-cineole, and mixtures thereof; providing an activated silica gel preparative chromatographic column; contacting the monoterpene with the column, wherein the oxygen-containing impurity compounds are retained on the column; recovering monterpenes depleted of oxygen-containing impurity compounds from the column by applying a pressure above atmospheric from a gas source without the use of a solvent; and removing the oxygen-containing impurity compounds by contacting the column with an alcohol.
Owner:VERSUM MATERIALS US LLC
Purification method of 1,8-cineole
ActiveCN103467475BReduce dosageReduce manufacturing costOrganic chemistryChemical recyclingGamma-terpineneAcetic acid
Owner:云南森美达生物科技股份有限公司
A kind of synthetic method of n-aminoethyl terpinene maleimido imidazole derivative
The invention provides a synthesis method of an N-aminoethyl terpinene maleimido imidazole derivative. The synthesis method comprises the following steps: converting alpha-pinene serving as a raw material into alpha-terpinene maleic anhydride adduct (called TMA for short), then reacting the alpha-terpinene maleic anhydride adduct with ethanediamine so as to prepare a midbody, namely N-aminoethyl terpinene maleimide (called ATM for short), and then synthesizing the N-aminoethyl terpinene maleimido imidazole derivative with potential biological activity through modified reaction of amino in the N-aminoethyl terpinene maleimide. The synthesis method has the advantages that the synthesis of the important imidazole ring-containing organic compound by introducing N atoms into the alpha-terpinene maleic anhydride structure is realized for the first time; the N-aminoethyl terpinene maleimido imidazole compound has multiple biological activity, particularly bactericidal activity, the applicant range of the alpha-pinene is widened, and a new approach is supplied for the deep development and utilization of natural organic green resources-turpentine.
Owner:GUANGXI UNIV
Application of asafetida and volatile asafetida oil in preparing anticancer medicine
InactiveCN100396280CMask or reduce strong odorsGood treatment effectPharmaceutical delivery mechanismAmide active ingredientsMedicineASAFETIDA OIL
The present invention relates to the medicinal use of asafetida, and is especially the application of volatile asafetida oil in preparing anticancer medicine, which may be injection, capsule, dripping pill, tablet, granule or other forms. The volatile asafetida oil contains alpha-pinene, alpha-terpinene, terpitetrol, D-fenchyl alcohol, pinocarveol and other effective components. The volatile asafetida oil is prepared with oleo-gum resin of asafetida from Xinjiang, Fukang, Iran, Afghanistan, etc. The anticancer preparation of volatile asafetida oil is suitable for treating cancers.
Owner:王彦丁 +1
Pharmaceutical use of Resina-Ferulae extract
InactiveCN1237962CCover up the smellGood detox effectNervous disorderSulfur/selenium/tellurium active ingredientsBisulfideAlcohol
The invention is a medicine producing use of asafetida extract, which relates to the use of extract of Chinese medicine asafetida. The asafetida extract is used to produce drug-breaking medicine. The drug-breaking medicine can be injection, pill dropping agent, tablet, particles, powder, oral liquid. The asafetida extract includes alpha-pinene, alpha-terpinenes, 2-borneol, terpine 4-alcohol, D-fenchyl alcohol, pinocarveol, beta-ocimene A, beta-ocimene B, di-secondary butyl disulfide, secondary butyl-antiform-1-butenyl disulfide, secondary butyl-synform-1-butyl-disulfide, secondary butyl-synform-propenyl disulfide, secondary butyl-antiform-2-butenyl disulfide, sulph-secondary butyl-antiform-methyl ethane disulfide. It uses xinjiang asafetida or fukang asafetida oil glue resin to produce with normal method.
Owner:王彦丁 +1
Method of preparing fluorine-containing demoulding additive with industrial side product terpinene
InactiveCN106892941ASufficient sourceLow costHydrocarbon by isomerisationOrganic compound preparationIsomerizationHexafluoropropylene
The invention discloses a method of preparing a fluorine-containing demoulding additive with an industrial side product terpinene. The method includes the steps of: 1) performing isomerization to alpha-pinene, dipentene and isoterpinolene in the terpinene to obtain alpha-terpinene; 2) performing an addition reaction to the main component, alpha-terpinene, in the terpinene and the terpinene, which is generated through continuous isomerization, with (methyl) alkenyl acid to generate a (methyl) alkenyl acid terpinene addition compound; 3) performing an epoxidation reaction with H2O2 to generate an epoxidized (methyl) alkenyl acid terpinene addition compound; 4) performing hydrolysis to obtain a bis-hydroxyl product, which is then subjected to a nucleophilic substitution reaction with a hexafluoropropylene oligomer to prepare a hexafluoropropylene oligomer substituted product; 5) performing an amidation reaction to the hexafluoropropylene oligomer substituted product with diethanol amine to prepare an amidation product; and 6) finally performing esterification to the amidation product with phosphoric acid to prepare an esterified product, which is the fluorine-containing demoulding additive.
Owner:修建东
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com