75 results about "Cinnamic acid ester" patented technology

The invention discloses a composition containing HFC-161 and a stabilizer, wherein the stabilizer is selected from one or more of epoxy compound, nitro-compound, hindered amines, hindered phenols, secondary arylamines, beta-diketones, phosphite esters, salicylic acid esters, cinnamic acid esters, hydroxybenzophenones, hydroxybenzoic acids, hydroxylphenyl benzotriazoles, hydroxylphenyl triazines, oxanilides, formamidines, polyhydric alcohols, ortho-formates, organosulfur compounds, olefins, ethanol amines and fatty amines. The composition provided by the invention is capable of keeping a stable state in a long time under the coexistence of air or oxygen, and capable of being used as a heat transfer composition in the form of a liquid or a gas, a refrigerant, an aerosol propellant and the like.

The invention relates to a sunscreen composition (namely, Solarex-3, Solarex-3Complex or triple sunscreen compositions) which comprises 2-10wt% of methoxy cinnamic acid ester, 0.1-6wt% of ethylhexyl triazinone, 0.1-6wt% of lignocainehy droxybenzoyl hexyl benzoate, 0.1-6wt% of bis-ethylhexyloxyphenol methoxyphenyl triazine, 0.001-0.2wt% of sodium hyaluronate, 0.001-1.0wt% of tetralin methyl pyrimidine carboxylic acid, 0.01-2wt% of LAMINARIA OCHROLEUCA, and effective quantity of cosmetically acceptable carriers. The invention further relates to the preparation method of the composition. The composition disclosed by the invention is prepared based on the principle of the harm of ultraviolet rays to human bodies, has the characteristics of light stability and broad spectrum sunscreen, can improve ultraviolet ray immunity of skin, and can prevent the ultraviolet rays from hurting the human bodies more comprehensively.

A process for producing cinnamic acids and alkyl esters thereof, particularly, fluorinated cinnamic acids and alkyl esters thereof. The process comprises reacting the appropriate bromobenzene and acrylic acid ester in a palladium-catalyzed HECK reaction under JEFFREY conditions using a phase-transfer catalyst (PTC) and an organic base to produce the corresponding cinnamic acid ester, and then preferably hydrolyzing the resulting ester under appropriate basic conditions, e.g. in the presence of a hydroxide, and precipitating the corresponding cinnamic acid product.

Photostable sunscreen compositions containing at least one cinnamic acid ester UV-B screening agent, at least one dibenzoylmethane compound UV-A screening agent and at least one particular s-triazine compound have improved effectiveness with respect to UV-B radiation, while maintaining the balance in UV-A / UV-B protection during exposure to the sun.

The invention discloses a production method of a spraying sulfoacid resin type sustained and controlled release fertilizer, comprising the following steps: 1, putting a granular fertilizer in a granulation device for preheating; 2, putting urea in a fusion device for fusing, when urea is completely fused, adding sulphur powder, polyvinyl alcohol and cinnamic acid ester in the fused urea, uniformly stirring, then filtering to obtain a fused urea resin sulphur liquid with uniform quality, allowing the preheated granular fertilizer to form a material curtain in the granulation device, and uniformly spraying the fused urea resin sulphur liquid on the surfaces of the fertilizer particles; 3, carrying out cooling on the sprayed fertilizer in a cooling device; and 4, adding a conditioner in the particle cooling device. The prepared fertilizer disclosed herein can achieve the sustained and controlled-release purpose of the fertilizer, and can thoroughly solve the problem of secondary pollution to soil from the traditional coated sustained and controlled-release fertilizers. In addition, the production method has the advantages of simple process and low production cost, and can be used forforming large scale production.

The invention relates to a novel azobenzene and cinnamic acid ester group-containing side-chain-type liquid crystal polymer membrane material and a synthetic method therefor. The structural formula is , wherein the m value is 2-8. The membrane material aims to maintain the advantage of photo-isomerization of azobenzene, and utilizes the characteristic of photoinduced crosslinking of cinnamic acid ester group to overcome the defect of insufficient stability of orientation of photo-isomerization of azobenzene.

The present invention relates to a transparent, low-flammability, UV-resistant, oriented film made from a crystallizable thermoplastic and having a thickness of from 5 to 300 μm. The film comprises at least one UV stabilizer and at least one flame retardant, and at least the flame retardant, and preferably also the UV stabilizer, is fed directly as a masterbatch to the crystallizable thermoplastic during production of the film. The film may have one or more layers, and the UV stabilizer may have been selected from the group consisting of the 2-hydroxybenzophenones, the 2-hydroxybenzotriazoles, the organonickel compounds, the salicylic esters, the cinnamic ester derivatives, the resorcinol monobenzoates, the oxanilides, the hydroxybenzoic esters, the sterically hindered amines and triazines, and the flame retardant may be an organic phosphorus compound, in particular an organic phosphorus compound soluble in polyethylene terephthalate.

The invention discloses a transparent lipstick and a preparation process thereof, and belongs to the technical field of cosmetics. The transparent lipstick comprises the following components by weight: 45-100 parts of emollient; 2-15 parts of film forming agent; 0.25-3 parts of skin conditioning agent; 5-10 parts of ethylhexyl palmitate; 0.8-2 parts of daily flavor; 0.1-0.25 part of coloring agent; 0.08-1 part of citric acid. The emollient includes at least one of octyldodecanol, phenyl isopropyl polydimethylsiloxane and tridecyl trimellitate. The film forming agent comprises at least one of dibutyl lauroyl glutamine and dibutyl ethylhexanoyl glutamide. The skin conditioning agent comprises at least one of pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate. The transparent lipstick canlighten cheilogramma, effectively relieve dryness and dehydration of the lips, and moisturize the lip skin.

Photostable sunscreen compositions containing at least one cinnamic acid ester UV-B filter and at least one particular s-triazine compound have improved effectiveness with respect to UV-B radiation.

The invention relates to a sunscreen spray and a preparation method thereof. The sunscreen spray comprises 5%-9% of diisopropyl methyl cinnamic acid ester, 1.5%-4.5% of zinc oxide, 3%-8% of jojoba oil, 2%-7.5% of flora sophorae extract, 2.5%-5.5% of caprin, 0.05%-1% of propylene glycol, 0.05%-0.8% of propylparaben, 0.5%-1.2% of glycerin monostearate, 0.5%-1.2% of Carbomer-934, 2%-9% of ethyl alcohol and the balance of water. The sunscreen spray has the advantages that several kinds of sunscreen components are matched to be dispensed, and in this way, effective components go deep into the centers of cells on the deep layer of the skin; the compatible medicine components have the synergetic effect, are resistant to water and sweat and long in sunscreen time and together play a role in resisting to ultraviolet rays.

The invention provides a green process for direct oxidation of a large number of substituted or unsubstituted cinnamaldehydes or cinnamyl alcohols into the corresponding alkyl or aryl cinnamates in one step. The process of the present invention is a convenient and efficient green process for the preparation of various aryl or alkyl cinnamates under conventional, microwave and ultrasound directly from cinnamaldehydes or cinnamyl alcohols in the presence of an oxidizing agent, catalyst and an alcohol, with or without an organic solvent. These esters are immensely important compounds in flavor, perfumery and pharmaceutical industries. There are several prior arts available for the preparation of cinnamic esters, but all of them suffer from deficiencies such as use of expensive reagents and catalysts, harsh reaction conditions, use of toxic chemicals and others. In contrast, the present methodology is extremely simple and involves reaction of the substrate with an oxidizing agent mixed with a homogeneous or heterogeneous catalyst and an alcohol with or without organic solvent by stirring at room temperature or refluxing or under microwave or ultrasound irradiation to get the requisite products.

A method for producing a cinnamic acid ester derivative includes reacting a cinnamic acid derivative compound represented by the formula (1), wherein the symbols are as defined in the description, with an alcohol compound represented by the formula: R6OH, wherein the symbol is as defined in the description, in the presence of a strong acid resin catalyst without using a solvent. As the cinnamic acid derivative compound, cinnamic acid, ferulic acid, and caffeic acid are preferred, and as the alcohol compound, methanol, ethanol, propanol, butanol, pentanol, hexanol, ethylene glycol, glycerol, phenethyl alcohol, and a monosaccharide are preferred.

The invention relates to (E)-cinnamate compounds and synthetic methods thereof, and medicines containing the compounds and application thereof. According to the invention, on the basis of research on the activity of various cinnamates to resistance of plant pathogenic fungi, the novel (E)-cinnamate compounds are designed and synthesized by using a strategy of combination of active structure units; and it is found that the compounds have substantial inhibitory activity to a plurality of plant diseases and have the potential to application as active components to preparation of antibacterial agents for plants.

The present disclosure provides a resin composition which contains: (A) a saponified ethylene-vinyl ester copolymer; and (B) a cinnamate; wherein the cinnamate (B) is present in a proportion of 0.01 to 10 ppm based on the amount of the saponified ethylene-vinyl ester copolymer (A). Therefore, the use of the resin composition makes it possible to produce a film which is highly transparent, capable of absorbing ultraviolet radiation of a specific wavelength range (e.g., UV-B and UV-C having a wavelength shorter than 320 nm) and free from an odor problem and the like.

The invention relates to a 4-amine alkoxy-3-methoxyl cinnamic acid ester compound, a preparation method and application of the compound.The preparation method of the compound comprises the following steps that 1, a ferulic acid acyl chloride compound is obtained by taking ferulic acid as a staring material under the condition of in first solvent under the condition of an acylating agent; 2, the ferulic acid acyl chloride compound reacts with alcohol or phenol in second solvent under a first alkaline condition to obtain a corresponding cinnamic acid ester compound; 3, the cinnamic acid ester compound reacts with a dihalogen alkyl compound in third solvent under a second alkaline condition to generate a corresponding halogen compound; 4, the halogen compound reacts with an organic amine compound in fourth solvent to obtain the 4-amine alkoxy-3-methoxyl cinnamic acid ester compound.Accordingly, the compound has the significant inhibiting effect on acetylcholinesterase, the inhibiting activity on acetylcholinesterase is greatly higher than the inhibiting activity on butyrylcholine esterase, and the certain selective inhibiting effect on acetylcholinesterase is achieved.

Synthetic dicinnamate compounds and their analogues are disclosed that exhibit anti-tumor activity and / or an anti-inflammatory activity, and have beneficial activity principally in destroying cancer cells. Furthermore, methods for the extraction of the extracts are disclosed.

The invention discloses a method for preparing cinepazide maleate, which is characterized by comprising the following step of: performing ammonolysis on 3,4,5-trimethoxy cinnamic acid ester and piperazin or piperazin derivative in the presence of strong base to obtain cinepazide free alkali.

The invention relates to a lipid wax flavor type tobacco sweetening agent, a preparation method and application thereof in cigarettes, and the sweetening agent is DDMP high carbonate including DDMP-5-palmitate and / or DDMP-5-cinnamate. According to the technical scheme, DDMP is used as a raw material; two kinds of lipid wax fragrance type DDMP high carbonic ester are prepared through esterificationreaction; the compound has good storage stability and perfuming stability, not only shows the effects of the DDMP on increasing the sweet feeling of the oral cavity and improving the aftertaste comfort when being added into the cigarettes, but also can enrich the cigarette aroma, increase the smoke permeability and the fineness degree and improve the cigarette aroma quality, and has potential application value.

The invention discloses a p-methoxy cinnamic acid ester preparation method and belongs to the field of organic synthesis. The p-methoxy cinnamic acid ester preparation method comprises the steps that 1, p-methoxyaniline and 60-75 wt % of sulfuric acid solution are evenly mixed, 18-25 wt % of sodium fluoborate solution is dropped into the mixed solution at the temperature from 30 DEG C to 50 DEG C; 2, acrylic ester, surfactant and catalysts are added in the solution, and the solution is evenly stirred; 18-21 wt% of sodium nitrite solution is dropped into the solution during the stirring process, all the sodium nitrite solution is dropped in the solution for 30-60 minutes, the inner temperature is controlled within the range from 30 DEG C to 45 DEG C during the dropping process, and the temperature is kept and the reaction continues for 30 to 40 minutes after the dropping is finished; 4, the temperature is increased to 50 DEG C to 60 DEG C, and the reaction is conducted for 1-1.5 hours and then the reaction is over. According to the p-methoxy cinnamic acid ester preparation method, raw materials and the catalysts are low in cost and high in using efficiency, the operation is simple and pollution is little. In addition, an ordinary diazotization reaction needs to be controlled at low temperature, and the temperature for the p-methoxy cinnamic acid ester preparation method during the dizotization process is milder, the corresponding cooling cost is saved, and the p-methoxy cinnamic acid ester preparation method has wider industrialized application prospects.

The invention discloses a moisturizing and repairing essence lotion and a preparation method thereof. The moisturizing and repairing essence lotion comprises the following raw materials of microzyme fermentation lysate filtrate, a grape seed extract, a gentian root extract, a plant bionic sebum agent, polyglutamic acid, an emulsifying agent, potassium cetyl phosphate, an emollient, polydimethylsiloxane, butyrospermum parkii sheabutter oil, cetearyl alcohol, tocopheryl, pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate, a chelating agent, allantoin, hydroxyethyl urea, glyceryl polymethacrylate, panthenol, xanthan gum and the like. The moisturizing and repairing essence lotion provided by the invention has the advantages of being notable in use efficacy, mild in properties, non-irritating and free from side effects, and is suitable for all of people to use; all the raw materials are reasonably compounded, so that the obtained moisturizing and repairing essence lotion is uniform andsoft in texture, enables face skin to be tender, fine and smooth, flat, glossy and transparent; and a production technology provided by the invention is simple, low in cost, safe and environmentally-friendly and has extremely high economic value.

The invention relates to a fluorocyano-containing cinnamic ester liquid crystal compound and its preparing process, wherein the chemical structure of the compound is p-orthohexoxyl cinnamic acid-2-fluoro-4-hydroxybenzene nitrile ester, The preparation process comprises introducing alkoxy to 4-position of cinnamic acid (3-phenylacrylic acid) through Williamson etherification reaction, then carrying out DCC dehydration condensation, so as to make the substituted cinnamic acid and 2-fluoro-4-hydroxybenzene nitrile condense and produce needed compound. The invention also discloses the use of the compound, which can be used in not only mixed liquid crystal, but also in various LCDs.

The invention discloses an agricultural insecticide with popularization value. The agricultural insecticide comprises, by weight, 10-15 parts of sodium fluosilicate, 10-15 parts of Chinese prickly ash toxins, 10-15 parts of sulfur, 10-13 parts of black pepper seed oil, 2-6 parts of zinc phosphide, 8-10 parts of tetramethrin, 3-8 parts of derris, 5-6 parts of 2,4-dichloro cinnamic acid ester, 1-5 parts of santonin, 3-8 parts of a dispersing agent, 1-5 parts of a diesel oil emulsion and 3-7 parts of a penetrating agent. The invention relates to the technical field of agriculture. The agricultural insecticide with the popularization value can well solve the problem that an existing insecticide is relatively monotonous in function, solves the problem that the insecticidal effect can only be achieved on a single type of plant disease and insect pests, and achieves the insecticidal effect on various diseases and insect pests at the same time. The formula of the insecticide is improved, so that one kind of insecticide can kill various pests and prevent various diseases, so that the agricultural insecticide has good popularization value, and application is greatly facilitated for farmers.