51 results about "Allyl Sulfide" patented technology

The invention provides a preparation method of ticagrelor, belonging to the technical field of medicine manufacturing. According to the method, a compound VII is taken as a raw material, and the method comprises the steps of: carrying out a nucleophilic substitution reaction on the raw material to obtain a compound VI; hydrogenating the VI, removing carbamazepine (Cbz) protection to obtain a compound V; carrying out a reaction on the V and 4, 6-dichloro-2-(allyl sulfide)-5-amio-pyrimidine to obtain a compound IV; carrying out a reaction on the IV and nitrite of alkali metal to obtain a compound III; carrying out a reaction on the III and (1R, 2S)-2-(3, 4-difluoro phenyl) cyclopropylamine to obtain a compound II; and finally, removing protecting group of the II to obtain a compound I.

This invention relates to compositions of one or more compounds that incorporate one or more allyl sulfide, allyl disulfide or allyl polysulfide moieties, or one or more allyl sulfide, allyl disulfide or allyl polysulfide moieties and one or more hydroxyl groups, used in effective amount in formulations, including emulsions, to repel blood-feeding ectoparasitic arthropods, including mosquitoes, and to deter them from landing and feeding when applied to the skin, clothing or environment of animals, including humans. Said compounds can include, but are not limited to, 8-allyl-sulfanyloctan-1-ol. This invention also relates to compositions comprising one or more of said compounds in further combination with other arthropod repellent and deterrent compounds, including vanillin. These compounds may be formulated with inert ingredients to form a liquid, gel, paste, soap, spray, aerosol or powder.

The invention discloses an environment-friendly efficient corrosion inhibitor as well as a preparation method and application of the environment-friendly efficient corrosion inhibitor. The environment-friendly efficient corrosion inhibitor comprises 0.1 to 2g/L of bamboo leaf extracts, 0.05 to 0.1 g/L of allylthiourea, 0.01 to 0.05g/L of Tween, 0.1 to 0.2g/L of hyamine, 0.01 to 0.05g/L of sodium iodide and the balance of pickling solution. The method comprises the steps of raw material preparation and proportioning, and the application of the environment-friendly efficient corrosion inhibitor refers to the application to steel, aluminum and petrochemical industry equipment preparation, filtering and pipeline cleaning agents. On the basis of the bamboo leaf extracts and the allylthiourea, surfactants of the Tween and the hyamine, an auxiliary agents of the sodium iodide and the balance of pickling solution are added for preparation, and the obtained acid pickling corrosion inhibitor has a synergistic interaction effect. The environment-friendly efficient corrosion inhibitor has the advantages that no toxicity exists, the cost is low, the adaptability is high, in addition, the corrosion effect of acid on metal materials is obviously inhibited, the environment-friendly efficient corrosion inhibitor is suitable for the acid pickling of steel and aluminum in inorganic acid and organic acid and can be applied to the cleaning of petrochemical industry equipment, boilers and pipelines, after the environment-friendly efficient corrosion inhibitor is used, no pollution is caused, and the use is safe and convenient.

Specific plant extracts are applied topically to upregulate genes which code for proteins to prevent the build-up of and mitigate the activity of various harmful materials within the skin. These upregulated proteins include glutathione transferases, peroxiredoxins, oxidoreductases, glutaredoxins and glutathione syntheses. These proteins produce additional glutathione, glyoxalase I, maintain cellular redox homeostasis, reduce hydrogen peroxide and alkylhydroperoxides, and conjugate glutathione to a wide number of exogenous and endogenous hydrophobic electrophiles. Keratinocytes have been induced to significantly upregulate glutathione and glyoxalase I protein expression. Additionally, keratinocytes pre-treated with diallyl trisulfide have increased viability when exposed to ozone, UV radiation or cigarette smoke extract. The active material can be extracted from plants such as garlic, onions, shallots, leeks, chives, scallions, brussel sprouts, broccoli, cabbage, cauliflower, bok choy, kale, mustard, turnip or radish, may include any compound of the allyl sulfide family, and may be of synthetic origin.

The invention discloses a preparation method of a composite rich in ajoene. The preparation method comprises the following steps of transforming natural alliin extracted from garlic into diallyl thiosulfinate by taking alliinase as a catalyst; carrying out membrane concentration, extraction, separation and enrichment, and then reacting and purifying to obtain a high-content ajoene product. The preparation method disclosed by the invention has the advantages of available process raw materials, easily controlled production process conditions and high product purity.

The invention provides an intermediate compound for synthesizing a polyene chain structure, which is an important component of carotenoid compounds, and provides the preparation of such compounds and the use of the intermediate to prepare carotenoid polyene chains Compounds and especially methods for the preparation of lycopene. The method for preparing the carotenoid polyene chain compound is to use allyl sulfone compound as raw material, and react with C-5 sulfide to extend the carbon chain. The obtained sulfone compound is oxidized, and the obtained disulfone compound is combined with C-10 bis(halogenated allyl) sulfide to form a chain compound containing the required number of carbon atoms. Then, the diallyl sulfone obtained by oxidation of diallyl sulfide undergoes Ramberg-Baklund reaction to form an intermediate triene bond. When the sulfonyl group is removed, the carotenoid polyene chain compound is obtained.

The invention pertains to novel compositions and related method for stimulating the immune system to promote the apoptosis of malignant cells while inhibiting the apoptosis of normal cells by employing compositions of thioretinamide with organic allyl sulfides or furanonaphthoquinones and in particular diallyl trisulfide, napabucasin and optionally with pancreatin and/or cobalamin. The novel compositions and method are designed to work with the immune system to treat a wide variety of malignant neoplasms which involve working with an immune system or a reduced functioning of the immune system.

The invention discloses an antibacterial agent and a preparation method thereof. The main antibacterial effective component of garlicin, namely a diallyl sulfide type composition is extracted, then the diallyl sulfide type composition is oxidized to improve water solubility to obtain modified garlicin, and then the modified garlicin and polyhexamethyleneguanidine (PHMG) are subjected to co-blending and modification. Water is used as a solvent, through various addition agents of a compatibilizer, a surfactant and the like, the modified garlicin and the polyhexamethyleneguanidine achieve good mutual dissolving and coblending effects, through synergistic reactions, high-efficiency durable antibacterial effects can be achieved, and the antibacterial agent is suitable for various bacteria and fungi.

The invention discloses a preparation method of a biomass adsorbing material for treating heavy metals in domestic sewage. The preparation comprises the following steps: treating rice hulls by using low-temperature corona irradiation equipment, adding into a mixed solution of ammonium carbonate and melamine, and carrying out ultrasonic soaking to obtain pretreated rice hulls; extruding and puffingthe pretreated rice hulls by adopting a double-screw extruding and puffing machine to obtain puffed rice hulls; adding the rice hull puffed material, methyl acrylate and allyl thiourea into toluene,then introducing high-purity nitrogen to remove oxygen, and carrying out irradiation grafting under sealing to obtain a rice hull grafted product; mixing the rice hull grafted product, graphene oxideand amino acid, then adding the mixture into a ball milling tank, and carrying out low-temperature ball milling; and adding the ball-milled material into water, carrying out high-temperature and high-pressure soaking and swelling treatment, and filtering to obtain the biomass adsorbing material. The biomass adsorption material obtained by the preparation method has the characteristic of large specific surface area, and has a good adsorption effect on heavy metals in rural sewage.

The invention discloses metal soft film anti-rust oil. The metal soft film anti-rust oil is prepared from the following components in parts by mass: 70-80 parts of kerosene, 10-20 parts of transformeroil, 3-5 parts of zinc naphthenate, 1-2 parts of dioctyl phthalate, 2-3 parts of N-oleoyl sarcosine octadecylamine salt, 1-2 parts of 1-hydroxybenzotriazole, 0.6-1 part of tetramethylammonium hydroxide, 2-3 parts of epoxy cotton seed butyl oleate, 1-2 parts of poly(1,2-propylene glycol adipate), 1-2 parts of allyl thiourea, 3-4 parts of petroleum calcium sulfonate, 3-5 parts of dodecenyl succinicacid half ester, 1-2 parts of tall oil and 5-6 parts of anti-stripping machine oil. The invention relates to the technical field of anti-rust oil. The metal soft film anti-rust oil has good water absorption performance and sweat replacement performance, can quickly replace residual moisture on a workpiece, and is soft in surface oil film, not prone to discoloring and softening, high in static corrosion resistance, good in weather resistance, high in ultraviolet aging resistance, stable in film coating, not prone to oxidation, capable of well protecting various metal workpieces, and high in universality.

The invention discloses a chive oil essence.The chive oil essence is prepared from, by weight, 60-95 parts of chive oil, 0.01-0.2 part of chive oleic alcohol with the concentration being 10%, 0.1-0.5 part of 3-methylthiopropanal, 0.05-0.15 part of 2-mercapto-3-butanol, 0.03-0.3 part of diisopropyl disulfide, 0.02-0.1 part of diallyl sulfide and 5-40 parts of soybean salad oil.On the basis of natural products, the chive oleic alcohol, the 3-methylthiopropanal, the diisopropyl disulfide and the diallyl sulfide are reasonably added by mild processing means to increase integral chive flavor, the added 2-mercapto-3-butanol which has an auxiliary aroma has no chive flavor intrinsically but can play a role in bridging to enable smooth and natural aroma, and the finally obtained chive oil essence is rich and real in aroma and high in stability and is suitable for flavoring of various snack foods.

The purpose of the present invention is to provide a seasoning and a spice composition with which foods can be easily made to feel cooked. The spice composition contains a component group (A) comprising 2,6-dimethylpyrazine (A1) and 2-ethyl-3-methylpyrazine (A2) and a component group (B) comprising at least one compound selected from among allyl sulfide (B1), allyl disulfide (B2), and allyl methyl disulfide (B3).

The invention discloses a method for synthesizing allyl sulfides by means of direct functionalization of C-H bonds. According to the method, olefin compounds having allylic C-H bonds and thiol compounds are added to a system containing a photocatalyst and a solvent, and the system is irradiated with visible light; the photocatalyst is quantum dots/rods. C-S bonds are directly constructed by meansof direct functionalization of the C-H bonds under the irradiation of the visible light, so that the synthesis of the allyl sulfides is realized. The method uses the quantum dots/rods as the photocatalyst, so that the reaction conditions are mild; the participation of free radical initiators and oxidants is not needed, and a substrate does not need to be pre-activated, so that the method is simpleto operate and has atom economy.

The invention discloses a preparation method and application of a thermosetting powder coating. The method adopts water-borne acrylic epoxy resin, polylactic acid resin, hydrogenated rosin pentaerythritol ester, N,N-methylene bisacrylamide and ethylene distearamide for reaction at high temperature to prepare a high temperature reactant, kaolin is soaked in acid, calcined and modified into a modified calcined reactant, the high temperature reactant and the modified calcined reactant are mixed, and then asbestos powder, allyl thiourea, a pigment, a leveling agent and a film forming agent are added for ultrasonic dispersion; and then a molten extrusion material is obtained by heating, melting, mixing and extrusion and is pressed into flakes; and finally, the flake material is crushed, cyclone-separated, graded and screened, detected and packed to obtain the finished product. The prepared thermosetting powder coating has good fireproof performance and good application prospect in buildingcoating.

The invention discloses a preparation method of a mercury ion imprinting adsorption material, which comprises the following steps: mixing a mercuric chloride solution and allylthiourea according to a mol ratio of 1: (2-4), adding a methanol solution, adding a functional monomer into the mixed solution according to a mol ratio of 2: (1-6), and stirring at room temperature for 1 hour to form a mercury ion complex; the functional monomer is N, N-dimethyl formamide; oscillating the mercury ion complex for 2 hours, adding ethylene glycol methyl methacrylate and azodiisobutyronitrile according to a mol ratio of (20-60): 1, introducing inert gas for 10 minutes, and oscillating in a water bath kettle at 60 DEG C for 24 hours to form a polymer solid; and crushing and sieving the polymer solid to obtain polymer particles with the particle size of 30-38.5 microns, and carrying out vacuum drying at 35 DEG C to obtain the mercury ion imprinted polymer. The polymer ion imprinting material disclosed by the invention has good adsorption capacity on divalent mercury in a water body and a gas phase, and is an effective adsorbent for efficiently adsorbing Hg (II) in flue gas.

The invention discloses a storage battery electrolyte with high electrochemical performance, which is prepared from, by mass, 40-60 parts of hydrogen sulfate, 10-20 parts of stannous sulfate, 10-20 parts of phosphoric acid, 0.2-0.4 part of cobalt acetate, 1-2 parts of phosphonic acid, 0.5-1 part of EDTA disodium, and 0.5-1 part of 2-mercaptobenzimidazole allyl sulfide, 3-5 parts of methyl sulfonate, 3-5 parts of trifluoromethyl sulfate, 8-10 parts of ethyl acetate, 8-10 parts of butyl formate and 50-80 parts of deionized water. The storage battery prepared by the electrolyte can obviously improve the service efficiency of the storage battery, and can effectively prolong the service life of the storage battery and is simple and convenient to operate.

The invention discloses an allyl sulphide, and a preparation method thereof. The preparation method comprises the following steps: dissolving terminal olefin, N-aryl (alkyl) sulfenyl succinimide and pyridine hydrochloride in an organic solvent, heating while stirring to react for 6-12 hours, after the reaction is finished, extracting, drying, removing the solvent, separating and purifying to obtain the allyl sulphide compound. The synthesis method disclosed by the invention is simple and efficient, mild in reaction condition, good in functional group tolerance, wide in substrate application range, high in yield, good in selectivity, simple to operate, short in reaction route and less in three wastes, can be used for large-scale synthesis, and avoids using a transition metal catalyst and thiol and thiophenol reagents with high toxicity and strong pungent smell.

The invention discloses a molybdenum multi-metal sulfide ore flotation separation inhibitor and a flotation separation method thereof. A preparation method of the molybdenum multi-metal sulfide ore flotation separation inhibitor comprises the steps: putting acrylamide and allyl thiourea into an organic solvent, carrying out copolymerization reaction under the initiation of an oil-soluble initiator, setting the temperature to be 50-90 DEG C, and carrying out a reaction for 1-10 h to obtain the molybdenum multi-metal sulfide ore flotation separation inhibitor. Effective separation of the molybdenum multi-metal sulfide ore can be achieved, the comprehensive recycling rate of molybdenum is increased, the content of impurities such as copper, lead, sulfur and bismuth in molybdenum concentrate is reduced to the maximum extent, raw materials are easy to obtain, the preparation process is simple, use is safe, toxicity is low, and harm to human bodies and the environment is avoided.