90 results about "Cinnamic alcohol" patented technology

This invention discloses a rose essence, which comprises: crimson glory flower concrete 0.5-2.0 wt.%, cinnamyl alcohol 1.0-3.0 wt.%, phenylethanol 5.0-15.0 wt.%, rose absolute oil 0.5-2.0 wt.%, Jasminum sambac concrete 0.5-2.0 wt.%, linalool 1.5-3.0 wt.%, pearl everlasting oil 1.0-3.0 wt.%, patchouly oil 0.5-3.0 wt.%, 92% ionone 6.0-12.0 wt.%, geranium oil 7.0-15.0 wt.%, 208# sandalwood 2-7.0 wt.%, ylang oil 1.5-5 wt.%, lilial 1.5-5 wt.%, damascene 6.0-15.0 wt.%, methyl dihydrojasmonate 3.0-7.0 wt.%, Jiale muskiness 1.0-6 wt.%, Petitgrain oil 1.5-5 wt.%, citronellol 8.0-20.0 wt.%, rose oil 0.5-2.0 wt.%, 10% delta-decalactone 0.2-1.0 wt.%, rose nitrile 1.0-3.5 wt.%, geraniol 8.0-15.0 wt.%, lemon oil 2.0-6.0 wt.%, and methyl ionone 0.5-3.0 wt.%. The rose essence can be used in fragrant products, such as white cream, and emulsion, and has such advantages as lasting color, pure and lasting fragrance, and small dosage.

The invention provides electronic cigarette tar which comprises the following components by mass percentage: 90-99% of atomized liquid and 1-10% of coca cola essence, wherein the coca cola essence comprises the following components in parts by weight: 0.1-2 parts of alpha pinene, 0.1-2 parts of beta pinene, 1-30 parts of limonene, 1-10 parts of sweet orange oil, 1-20 parts of lemon oil, 0.1-0.5 parts of myrcene, 0.1-2 parts of cinnamic aldehyde, 0.1-5 parts of cinnamon oil, 0.1-10 parts of citral, 0.1-5 parts of geranial, 1-10 parts of geranyl acetate, 0.1-5 parts of sinensal, 1-10 parts of citronellol, 1-10 parts of geranyl propionate, 0.1-5 parts of eugenol allylguajacol, 0.1-2 parts of ethyl maltol, 0.1-3 parts of furanone, 0.1-5 parts of raspberry ketone, 1-25 parts of cinnamyl alcohol, 1-10 parts of cinnamyl acetate, 1-15 parts of vanillin, 1-15 parts of ethyl vanillin and 0.1-2 parts of coffee extract. The electronic cigarette tar with a coca cola taste is rich and plump in fragrance, and can achieve an effect similar to a pleasant feeling brought by drinking coca cola. The invention further provides a preparation method of the electronic cigarette tar. The method is simple and easy to operate, and is suitable for industrial production.

The invention relates to an aliphatic polyester grafted polyamino acid copolymer and a preparation method thereof. A preparation process of the grafted copolymer comprises the following steps of: performing a ring-opening reaction on amino acid-N-inner carboxylic acid anhydride by taking triethylamine, n-hexylamine and the like as initiators, and removing a protecting group to obtain polyamino acid; and grafting aliphatic polyester obtained by performing ring opening polymerization on initiating esters such as hydroxyethyl acrylate, cinnamic alcohol, coumarin and the like to obtain the aliphatic polyester grafted polyamino acid copolymer. The aliphatic polyester is preferably polylactic acid or poly(epsilon-caprolactone) of which the number average molecular weight is 1,000-30,000; and the amino acid-N-inner carboxylic acid anhydride is preferably gamma-benzyl-L-glutamate-N-inner carboxylic acid anhydride or gamma-benzyl-L-aspartate-N-inner carboxylic acid anhydride. The grafted copolymer has a simple preparation process, high biocompatibility and wide application prospect in the field of biological medical materials, and is provided with a photo-crosslinking group.

The invention discloses a method for preparing cinnamic alcohol through hydrogen transfer reaction of cinnamaldehyde. The method comprises the following steps that under the conditions of normal pressure and 70 to 90 DEG C, cinnamaldehyde is reduced to obtain cinnamic alcohol through taking supported ZrOx as a catalyst and alcohol as a reducing agent in the presence of catalyst acid poisoning inhibitor organic base. The method adopts the supported ZrOx as the catalyst which is prepared through taking inorganic zircon salt as active ingredient precursor and water as solvent; therefore, the catalyst has the advantages of simple preparation conditions, relatively low cost and excellent catalytic performance; moreover, the organic base is added as the catalyst acid poisoning inhibitor for preparing cinnamic alcohol through hydrogen transfer reaction of cinnamaldehyde, thereby greatly increasing the conversion rate of the cinnamaldehyde. Therefore, the method can generate cinnamic alcohol through the reduction of the cinnamaldehyde in high conversion rate and high selectivity, and is suitable for carrying out large-scale industrial production.

The present invention belongs to the field of chemical technology, and especially one kind of quenched skeleton cobalt base catalyst for selective cinnamyl aldehyde hydrogenation to prepare cinnamyl alcohol and its preparation process. The catalyst consists of Co as the active component, Al and metal additive M. The preparation process includes quenching molten alloy at rate over 10E6 K/s in single roller method to obtain quenched Co-Al alloy; alkali extracting quenched Co-Al alloy to eliminate its Al to obtain quenched skeleton Co catalyst; and finally soaking the quenched skeleton Co catalyst in solution of M element to obtain the modified quenched skeleton Co-M catalyst. The quenched skeleton Co-M catalyst is used in cinnamyl aldehyde hydrogenation to prepare cinnamyl alcohol and has much higher hydrogenation activity and selectivity than those of Raney Co catalyst and much higher selectivity than that of Raney Ni catalyst.

The invention discloses a recombinant escherichia coli capable of producing cinnamic alcohol and rosin, and a construction method and applications thereof. The construction method comprises followingsteps: phenylalnine ammonialyase PAL, p-hydroxycinnamic acid coenzyme A ligase 4CL, and cinnamamide coenzyme A reductase CCR are introduced into Escherichia coli so as to obtain the recombinant escherichia coli capable of producing cinnamic alcohol. In the construction method, Escherichia coli is taken as a model organism, the background is clear, growth speed is high, large scale fermentation culture is convenient to realize, and cost is low. The recombinant escherichia coli capable of producing cinnamic alcohol and rosin is obtained via construction of a cinnamic alcohol synthesis pathway, the cinnamic alcohol yield is 300mg/L; UDP glucosyltransferase is introduced into Escherichia coli further, so that organic combination of biological synthesis pathways of rosin and cinnamic alcohol isrealized, the highest rosin yield is 280mg/L. The construction method is capable of providing large scale industrialized production of cinnamic alcohol and/or rosin with foundation.

The invention discloses a platinum/attapulgite catalyst and a preparation method thereof. The carrier of the catalyst is the attapulgite clay; the active component of the catalyst is platinum nanoparticles of which the average particle size is 3 to 5 nm; the mass fraction of the platinum in the catalyst is 0.5 to 5 percent; and the residual component of the catalyst is the attapulgite clay. The preparation method comprises the following steps of: modifying the surface of the attapulgite clay with acid; adding a certain amount of modified attapulgite clay into aqueous solution of platinum salt; adjusting the pH value of the aqueous solution with sodium hydrate; adding aqueous solution of potassium borohydride or hydrazine hydrate dropwise in the aqueous solution under the action of magnetically stirring; filtering, washing and drying the mixed aqueous solution to obtain the platinum/attapulgite catalyst. The platinum/attapulgite catalyst prepared by the method of the invention is high in catalytic activity and selectivity for hydrogenation preparation of cinnamyl alcohol through cinnamaldehyde.

Biofouling may be prevented or at least mitigated by employing a cinnamaldehyde additive to augment the affect of the conventional biocide. Exemplary cinnamaldehyde additives include, but are not limited to, cinnamaldehyde, cinnamic acid and cinnamyl alcohol. A cinnamaldehyde additive by itself, in some embodiments, may also inhibit biofouling.

The invention discloses a multilevel-structure supported nano gold catalyst and a preparation method thereof, belonging to the technical field of multilevel-structure nano material catalysis. The catalyst consists of the following elements in percentage by mass: 35.5-45.5% of titanium, 55.5-65.5% of oxygen, 0.1-0.4% of iron and 1.0-5.0% of gold. The nano gold catalyst is prepared through a precipitation method by taking iron-doped anatase TiO2 nano-lamella multilevel microspheres with a high (001) crystal face exposure rate as a carrier, wherein strong metal-carrier interaction exists between nano gold and the carrier, and the catalyst is suitable for alpha, beta-unsaturated aldehyde/ketone liquid phase selective hydrogenation reaction. When the reaction temperature is 120 DEG C and the pressure is 1.0MPa, H2 is used as a reducing agent for reacting for 2 hours, the conversion rate of a catalytic cinnamic aldehyde hydrogenation reaction is 75-80%, and the selectivity of cinnamic alcohol is 60-70%.

Belonging to the field of pharmaceutical and chemical intermediates and related chemical technologies, the invention relates to a preparation method for substituted cinnamyl alcohol. The method provided by the invention adopts cinnamic aldehyde and its derivative as raw materials, takes a nano-porous gold catalyst as the catalyst, and employs organosilane as the hydrogen source and alkali as the additive to prepare substituted cinnamyl alcohol by selective hydrogenation. Specifically, the cinnamic aldehyde and its derivative and the hydrogen source are in a mole ratio of 1:0.1-1:15, the cinnamic aldehyde and its derivative and the alkali are in a mole ratio of 1:0.1-1:15, and the mole concentration of the cinnamic aldehyde and its derivative in a solvent is 0.01mmol/mL-2mmol/mL. According to the invention, the product has high selectivity, the catalyst has good reproducibility, and the catalytic effect is not significantly reduced after repeated use, thus providing possibility for realization of industrialization.

Exemplary insect repellent, attractant, knockdown and kill compositions may comprise vanillin and two or more active ingredients selected from: geraniol, rosemary oil, winter green oil, methyl salicylate, linalool, tetrahydrolinalool, cedar leaf oil, thyme oil white, thyme oil red, thymol, mint oil, peppermint oil, linseed oil, sunflower oil, piperonal, piperonyl alcohol, benzyl alcohol, lime oil, d-limonene, eucalyptus oil citridora, eucalyptus oil, cinnamon oil, cinnamic alcohol, cinnamyl alcohol, geranium oil, lavender oil, tetrahydrolinalool, phenethyl propionate, clove oil, safflower oil, eugenol, 1,8-cineol, α-terpineol, triethyl citrate, isopropyl myristate, white mineral oil, lemon grass oil, lilac flower oil, black seed cumin oil, geranyl acetate, citric acid, citral diethyl acetal, ascorbic acid, canola oil, corn oil, soybean oil, sandalwood oil, isopropyl alcohol (IPA), pheneythyl alcohol, white mineral oil. The composition may further comprise castor oil based emulsifier, xanthum gum, potassium sorbate, lecithin, sodium lauryl sulfate and/or a diluent, for example.

The invention relates to a method for preparing cinnamyl alcohol (COL) through cinnamaldehyde (CAL) hydrogenation. In a solvent-free system, Pt-(Ru)-Sn/TiO2 as a catalyst is used for catalyzing selective hydrogenation of CAL to prepare COL. The catalyst has relatively high activity on the hydrogenation of C=O bond of CAL and shows inertia on the hydrogenation of C=C bond of CAL and COL, and thus has high selectivity on the generated COL. When the reactants are nearly completely converted and Pt-(Ru)-Sn/TiO2 is used as the catalyst, the highest selectivity on COL reaches 93-95%. By adopting the method, the pollution of organic solvent is eliminated, the burden of the separation process is lightened, and the reaction control difficulty in large-scale production is reduced.

The invention relates to lubricating oil. The lubricating oil is prepared from the following components in parts by weight: 320-400 parts of lubricating oil base oil, 6-9 parts of octylphenol, 3-5 parts of calcium alkyl salicylate, 2-3 parts of a fluorinated surfactant, 2-4 parts of cinnamyl alcohol, 8-10 parts of N, N-dimethylformamide, 8-12 parts of Gemini quaternary ammonium salt and 6-9 parts of diisocyanate. According to the lubricating oil disclosed by the invention, by virtue of compounding action of adding a lubricating oil additive in the lubricating oil and various promoters, the performance of the additive can be optimized, good effect of strengthening the performance of the lubricating oil can be achieved by using a small amount of the additive, the antifreezing performance, the viscosity, the rust prevention performance and abrasion resistance of the lubricating oil can be improved, and the quality of the lubricating oil is greatly improved.

The invention relates to a preparation method of a cassia bark extract, the cassia bark extract prepared by the preparation method, a composition containing the extract and application of the extract in pharmacy or preparation of health care products. The preparation method comprises the following steps: a) uniformly mixing cassia bark raw material with a water-based solvent; b) extracting mixture obtained from the step a); and c) separating residue and finally getting the cassia bark extract. The cassia bark extract contains cinnamic alcohol, cinnamic acid, cinnamic aldehyde, eugenol and thelike, the appearance is yellow clear liquid, and the pH is about 4.6. The invention further provides the composition containing the extract. The cassia bark extract can be used for preparing medicaments or health care products with double effects of reducing blood glucose and reducing blood lipid and the function of protecting the liver.

The invention discloses lubricating oil for delaying mechanical wear. The lubricating oil is composed of the following components in parts by weight: 2-8 parts of engine oil, 1-6 parts of phenyl silicone oil, 2-8 parts of talc powder, 3-7 parts of phosphoric acid, 1-3 parts of sorbitol, 6-9 parts of jojoba oil, 5-8 parts of ethylene oxide, 4-8 parts of cinnamyl alcohol, 4-7 parts of glycidyl acrylate and 4-9 parts of oil of turpentine. The lubricating oil for delaying mechanical wear, disclosed by the invention, is scientific and reasonable in formula. As various additives are jointly combined and matched, all properties of the lubricating oil are greatly improved, the stability of the lubricating oil is enhanced, the lubricating effect is increased, and the service life of the lubricating oil is prolonged. The lubricating oil can be widely applied to various kinds of mechanical lubrication to delay mechanical wear, so that mining machinery is protected well; and the lubricating oil is capable of saving energy and reducing emission, and therefore, the lubricating oil has wide application prospects.

The invention relates to a high-dispersion supported PtCo nano-alloy catalyst as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing a noble metal precursor, an Mg-Al-Co layered double-metal hydroxide precursor and melamine by easy co-calcining, and simultaneously compounding and reducing in one step under a high temperature condition to obtain the carbon nitride (C3N4) supported high-dispersion PtCo nano-alloy catalyst finally. When the catalyst is used in reaction of preparing fragrant cinnamyl alcohol by selective hydrogenation of cinnamyl aldehyde, the conversion percent of the cinnamyl aldehyde and the selectivity on the cinnamyl alcohol can be up to 85-100% and 80-100%; the preparation method of the high-dispersion supported PtCo nano-alloy catalyst is green; the catalyst is novel and unique in structure, high in stability, and wide in application prospect.

The invention discloses an essence. The essence is characterized by comprising the following components by weight percent: 26% of citronellal, 26% of geraniol, 5% of linalool, 2% of cinnamyl alcohol, 5% of phenethyl alcohol, 12% of phenyl acetaldehyde, 15% of benzyl acetate, 5% of methyl eugenol and 4% of linalyl acetate. In an embodiment 1, the essence comprises the following components by weight percent: 26% of citronellal, 26% of geraniol, 5% of linalool, 2% of cinnamyl alcohol, 5% of phenethyl alcohol, 12% of phenyl acetaldehyde, 15% of benzyl acetate, 5% of methyl eugenol and 4% of linalyl acetate.

The invention discloses a perfume essence added with musk and fruit ester. The perfume essence mainly comprises the following components by mass percent: 15% of methyl dihydrojasmonate, 2% of alpha-hexylcinnamaldehyde, 4% of lilialdehyde, 40% of ambrotone, 2% of phenylethyl alcohol, 1% of dihydromyrcenol, 1% of cinnamic alcohol, 0.01% of leaf alcohol, 0.8% of vanillyl alcohol, 0.02% of linalool, 1% of geraniol, 5% of ethyl linalool, 6% of florol, 0.2% of dodecahydro-3a, 6, 6, 9a-tetramethyl-naphtol [2, 1-b] furan-3a, 6, 6, 9a-tetrame, 10% of musk and fruit ester and the like. The essence added with musk and fruit ester has the characteristics of stable structure, compound aroma, gradually-released fragrance, novel aroma and lasting fragrance.

The invention relates to a method for preparing cinnamyl alcohol. The method comprises the following steps of: dissolving cinnamyl alcohol into an isopropanol solution; adding a catalyst; heating up to 100-170 DEG C, and then introducing H2 of 1-3MPa; reacting for 2-5 hours; reducing the pressure and discharging; filtering out the catalyst and evaporating out the solvent; and separating cinnamyl aldehyde from the cinnamyl alcohol to obtain the cinnamyl alcohol, wherein the used catalyst is a Co-Fe-Zn/active carclazyte loaded type catalyst. The method has the advantages of high yield, easiness of operation, and the like.

The invention relates to a synthesis method for Beta-(E)-cinnamic alcohol group-O-[6'-O- Alpha-L-arabopyranose group]-D-glucose pyranoside (Rosavin). The method comprises: carrying out the glycoside reaction on Cinnamic alcohol and 2,3,4-tri-O-benzoyl-[6-O-(2',3',4'-tri-O-acetyl)-L-furan arabopyranose group ]-D-furan glucose trichloroacetimidate, and then removing a protective group, so as to obtain the Beta-(E)-cinnamic alcohol group-O-[6'-O- Alpha-L-arabopyranose group]-D-glucose pyranoside. The method has easily obtained raw materials, moderate reaction conditions and high product purity. The method is not reported in a document. Therefore, the synthesis method is a novel method for artificially synthesizing Rosavin.

The invention discloses a Co-Th-B amorphous alloy catalyst, preparation and application thereof. The Co-Th-B amorphous alloy catalyst, wherein mol percentage of each component is that: Co 57-64%, Th 0.1-1%, B 36-42%, is proved to have obvious amorphous structure and active specific surface area of 7-12 m<2>/g after being detected by selected area electron diffraction and X ray diffraction,. The Co-Th-B amorphous alloy catalyst of the invention has excellent catalytic performance for Alpha, Beta unsaturated aldehyde hydrogenation reaction, especially has excellent catalytic activity, high selectivity and service life for liquid phase selective hydrogenation reaction of cinnamic alcohol prepared by cinnamic aldehyde. The Co-Th-B amorphous alloy catalyst of the invention also has simple operating process, easily-obtained materials, no environmental pollution in preparing process and is hopeful to be novel high-efficiency and green-friendly catalytic material.

The invention relates to the field of essence, and particularly discloses oriental flower flavored essence and a preparation method thereof. The oriental flowery flavor essence consists of a main flavor, a modifier, a mixing agent, a fixative and a solvent. The main flavor is prepared from the following components: linalool, benzyl alcohol, phenethyl alcohol, benzyl acetate, methyl anthranilate, methyl benzoate, methyl salicylate, iso-methyl ionone, alpha-hexylcinnamic aldehyde, anisic aldehyde, hydroxycitronellal, undecan-4-olide, specially pure vanillin, ethyl maltol, eugenol and limonene. The modifier is prepared from the following components: cinnamic alcohol, rose ether and cedar wood oil. The oriental flower flavored essence has the advantages that the oriental flower flavored essence has a comfortable and natural feeling while generating complicated fragrance change.

The invention discloses a preparation method for cinnamyl acetate. The steps of the method are as follows: A) cinnamic alcohols and acetic anhydrides are mixed for reaction according to a certain mol ratio; catalysts are taken to dissolve in the acetic anhydrides, and the temperature is preserved, and the cinnamic alcohols are dropwise added; B) after the addition of the cinnamic alcohols, the temperature is kept in the range of from 40 to 50 DEG C for reaction; C) after the heat preservation, the cinnamyl acetate products are obtained by the water washing and neutralization; D) the cinnamyl acetate products obtained undergo the fraction collection under the vacuum of negative 0.096 to negative 0.1Mpa, obtaining the cinnamyl acetate finished products; the invention has the advantages of simple method, convenient operation, low material costs, high yield and no environmental pollution, and is quite suitable for the industrialized production; moreover, the yield of the production of the cinnamyl acetate is as high as 88.6 percent.

The invention relates to the field of cosmetics, in particular to a natural skin-care sunscreen cream containing an acer negundo extract. The sunscreen cream is prepared from the following raw materials in parts by weight: 20 to 30 parts of an acer negundo extract, 5 to 10 parts of an empervium tectorum extract, 10 to 20 parts of a natural extract, 5 to 10 parts of aloe gel juice, 5 to 15 parts of 4-methyl methylbenzylidene camphor, 3 to 5 parts of vitamin E1, 3 to 5 parts of vitamin C, 3 to 5 parts of nanosilicon dioxide, 20 to 30 parts of cinnamyl alcohol, 2 to 5 parts of s natural essence, and 180 to 220 parts of deionized water. The sunscreen cream has the advantages that all physical and chemical indicators meet or exceed the national standards, the production technology of the sunscreen cream is the same as that of the traditional sunscreen cream, all natural ingredients are adopted, sensory indicators and physical and chemical indicators meet requirements of regulations, the use effect is good, and the sunscreen cream does not have untoward effects on human body.