98 results about "Octocrylene" patented technology

An enhanced Fischer-Tropsch process for the synthesis of sulfur free, clean burning, green hydrocarbon fuels, examples of which include syndiesel and aviation fuel. Naphtha is destroyed in a hydrogen generator and recycled as feedstock to a syngas (FT) reactor in order to enhance the production of syndiesel from the reactor. A further variation integrates a second hydrogen generator capturing light hydrocarbon gas for conversion to hydrogen and carbon monoxide which supplements the Fischer-Tropsch reactor. The result is a considerable increase in the volume of syndiesel formulated. A system for effecting the process is also characterized in the specification.

The invention relates to a kind of chiral diphosphite ligands, an iridium composite catalyst thereof, a preparation method and application thereof. The ligands are obtained through using chiral (R)-(S)-1-dimethylamino ethyiferroene as raw materials to react with diphenyl phosphonium chloride under the effect of butyl lithium and then to carry out displacement reaction with diaryl phosphine alkane. The chiral diphosphite ligands respectively act with homotropilidene compositions of iridous chloride, tetrabutyl ammonium iodide and glacial acetic acid, and imine asymmetrical hydrogenization catalysts can be obtained. When the iridium-diphosphine catalysts are used for catalyzing 2-methyl-6-ethyl-N-methylene aniline (EMA-imine) hydrogenization reaction, (S)-N-(1-anisyl-2-propyl)-2-methyl-6- ethylaniline ((S)-NNA) can be obtained, and the antimer excessive value (ee) can reach 86.5 percent. The (S)-NNA and chloracetyl chloride carry out acylation reaction to obtain (S)-metolachlor with the ee value of 86 percent. Thereby, the ligands provided by the invneiton can be used for synthesizing chiral herbicidal chemicals of (S)-metolachlor.

A catalysis system used by a method for synthesizing chiral cyclic amine through catalyzing asymmetric hydrogenation of quinolin-3-amine by iridium is a chiral diphosphine complex of iridium. A reaction is carried out under the following conditions: the temperature is 25-70DEG C; a solvent is a toluene / tetrahydrofuran mixed solvent (V / V=3:1); the pressure is 2-14atm; a ratio of a substrate to a catalyst is 25:1; and the catalyst is a (1,5-cyclooctadiene)iridium chloride dimer and chiral diphosphine ligand complex. A corresponding chiral cyclic amine derivative is prepared from quinolin-3-amine, and the enantiomeric excess value can reach 94%. The method has the advantages of simple and practical operation, easily available raw material, high enantioselectivity, good yield, and green, atom-economic and environmentally-friendly reaction.

The invention discloses a ruthenium complex catalyzer for acetylene hydrochlorinate and a preparation method and application thereof. The catalyzer is characterized in that active carbon serves as catalyst support, and is loaded with ruthenium chloride and an organic ligand; the molar ratio of the ruthenium chloride and organic ligand is 1:1-6, and ruthenium accounts for 0.1-5.0% of the total weight of the catalyzer; the organic ligand is one or more of triphenylphosphine, pyridine, 2,2'-dipyridyl, acetylacetone, chlorodiphenylphosphine, chlorobenzene, cyclopentadiene, 4-methyl isopropyl benzene and 1,5-cyclooctadiene. The ruthenium complex catalyzer for the acetylene hydrochlorinate and the preparation method and application thereof have the advantages that the preparation process is simple, the catalytic activity and stability of the catalyzer are greatly improved, the catalyzer is more environmentally friendly, and the economy is high.

The invention discloses a method for synthesizing a chiraltetrahydro naphthalenederivate through asymmetric hydrogenation on isoquinoline by means of an iridium catalyst. A catalysis system applied in the method is a chiral bi-phosphine complex of metal iridium. The reaction is carried out under the conditions that the temperature is 25-60 DEG C; the volume ratio of tetrahydrofuran to dichloromethane in a solvent, namely a mixed solvent of tetrahydrofuran and dichloromethane is 1:1; the pressure is 13-50 Mpa; the ratio of a substrate to a catalyst is 50:1; the catalyst is a coordination compound of a (1,5-cyclooctadiene) iridium chloridedipolymer and a chiral bi-phosphine ligand. The corresponding chiral 1-position or 3-position substituted tetrahydro naphthalenederivate through hydrogenation on isoquinoline, and the enantiomeric excess of the derivate can reach 96%. The method is simple and practical in operation, raw materials are easy to obtain, the enantioselectivity is high, the yield is high, the reaction has atom economy, and the environment is friendly.

The present invention provides water-in-oil type emulsion sunscreen cosmetics that achieve an excellent UV blocking effect, and have excellent effects in the prevention and inhibition of discoloration (discoloration to red). The water-in-oil emulsion sunscreen cosmetic according to the present invention is characterized by comprising: (a) octocrylene; (b) hydrophobized zinc oxide; (c) cationic surfactant; and (d) silica.

The invention relates to a process for preparing 1-octene by telomerization of 1,3-butadiene using a reducing agent in the presence of a telomerization catalyst and partial hydrogenation of the octadiene obtained in this way.

The present invention aims to provide a sunscreen cosmetic that does not contain diethylamino hydroxybenzoyl hexyl benzoate, can absorb a wide range of wavelengths of UV rays across the UVA and UVB regions, and prevent staining (dyeing) due to secondary adhesion to clothing. The present invention relates to a sunscreen cosmetic containing 2-hydroxy-4-methoxybenzophenone, 2-ethylhexyl p-methoxycinnamate, and octocrylene, a volatile hydrocarbon oil, and zinc oxide and / or titanium oxide hydrophobized with an agent other than fatty acids.

Method for producing 1-octene from butadiene by dimerizing and alkoxylating butadiene in the presence of one or more alkoxy substituted phosphine ligands under alkoxydimerization conditions with an alkoxydimerization catalyst, the alkoxydimerization conditions being effective to produce an alkoxydimerization product with one or more alkoxy substituted octadienes comprising primarily 1-alkoxy substituted octadiene; hydrogenating the alkoxydimerization product under hydrogenation conditions effective to produce a hydrogenation product which is primarily 1-alkoxy substituted octane; eliminating the alkoxy group from the hydrogenation product under elimination conditions effective to produce an elimination product which is primarily 1-octene and a first alkanol having from about 1 to about 3 carbon atoms; and separating the 1-octene from said elimination product.

Method for producing 1-octene from butadiene by dimerizing and alkoxylating butadiene in the presence of one or more alkoxy substituted phosphine ligands under alkoxydimerization conditions with an alkoxydimerization catalyst, the alkoxydimerization conditions being effective to produce an alkoxydimerization product with one or more alkoxy substituted octadienes comprising primarily 1-alkoxy substituted octadiene; hydrogenating the alkoxydimerization product under hydrogenation conditions effective to produce a hydrogenation product which is primarily 1-alkoxy substituted octane; eliminating the alkoxy group from the hydrogenation product under elimination conditions effective to produce an elimination product which is primarily 1-octene and a first alkanol having from about 1 to about 3 carbon atoms; and separating the 1-octene from said elimination product.

The invention relates to an alpha-diimine nickel metal organic compound and a preparation method thereof. The preparation method comprises the following steps: adding NiBr2 (DME) and alpha-diimine into a dichloromethane solution for reaction under the protection of an inert atmosphere, reducing an obtained product in a diethyl ether or n-hexane solution by using metallic sodium, and then reacting with 1,5-cyclooctadiene to obtain a mononuclear nickel metal organic compound of alpha-diimine. The preparation method provided by the invention is simple, is high in product yield and good in purity and can be used as an olefin polymerization catalyst.

The invention provides a method for preparing dibenzocyclooctadiene lignan as shown in formula (I) and an application of the dibenzocyclooctadiene lignan on anti-HIV-1. The method has readily available raw materials, and simple and easy operation, and the prepared compound has remarkable anti-HIV-1 activity. R1=OH, R2=OCH3 or R1=OCH3.

A method for synthesis of chiral piperidine derivatives through iridium-catalyzed asymmetric hydrogenation of pyridine employs a catalytic system of chiral diphosphine complex of iridium. The reaction can be carried out under the following conditions: temperature of 25-60 DEG C; a mixed solvent of toluene / dichloromethane (V / V=1:1); pressure of 13-50 barometric pressure; a ratio of substrate and catalyst of 50 / 1; and a catalyst of a complex of (1,5-cyclo-octadiene) iridium chloride dimer and diphosphine ligand. Hydrogenation of pyridine salt can obtain a corresponding chiral 2-substituted piperidine derivative, whose enantiomeric excess can reach 93%. The invention has advantages of simple and practical operation, easily available raw materials, high enantioselectivity, and good yield; in addition, the reaction has green atom economy and is friendly to environment.

The present invention is an oil-in-water emulsified composition and a sunscreen cosmetic characteristically comprising the following (a)-(j):(a) Octocrylene(b) Bis ethylhexyloxyphenol methoxyphenyl triazine(c) Hexyl diethylaminohydroxybenzoylbenzoate(d) 4-tert-butyl-4′-methoxybenzoylmethane(e) Water soluble polymer(f) Water-swelling clay mineral(g) Oil component having IOB of 0.05 or more(h) Higher fatty acid(i) Surfactant(j) WaterThe object of the present invention is to provide a sunscreen cosmetic that manifests a superior ultraviolet absorption effect and is superior in terms of the emulsification stability and the sensation during use.

This invention relates to a complete synthesis means of ( 2R, 3S) - epoxy - 9 - octylene - 1 - alcohol. The invention takes cheap petroleum product 1, 7 - octadiene as raw material, through alkene boron hydrogenation and oxygenation, alcoholic oxygenation, Horner - Wadsworth-Emmons reaction, ester reduction Sharpless epoxidation five steps reaction, then synthesize the ( 2R, 3S) - epoxy - 9 - octylene - 1 - alcohol which has good selectivity, low cost and high yield.

An additive comprising, dissolved in a solvent, an asphaltene dispersant selected from the group consisting of α-olefin / vinyl pyrrolidinone copolymers. The copolymer can comprise at least one α-olefin selected from the group consisting of mono-α-olefins, at least one α-olefin selected from the group consisting of linear α-olefins and / or at least one α-olefin is selected from the group consisting of 1-hexadecene, 1-octadecene, 1-eicosene, 1-docosene, 1-tetracosene, 1-hexacosene, 1-octacosene and 1-triacontene. The additive can comprise a copolymer of 2-pyrrolidinone, 1-ethenyl monomer. The copolymer can have a Hansen Solubility Parameter (HSP), δ, of greater than 16, 17 or 18 MPa1 / 2. The solvent can be selected from the group consisting of aromatic solvents, such as 1-methyl naphthalene, bis-(m-phenoxyphenyl)ether, o-xylene, toluene and heavy aromatic solvents. Also provided is a method of inhibiting asphaltene precipitation in a fluid by introducing into the fluid an asphaltene dispersant selected from the group consisting of α-olefin / vinyl pyrrolidinone copolymers.

The invention discloses a sunscreen. The sunscreen is prepared from a component A, a component B and a component C, wherein the component A comprises the following ingredients: propylene glycol, xylitol, xanthan gum, sodium chloride and sodium hyaluronate; the component B comprises the following ingredients: decamethylcyclopentasiloxane, cetyl PEG / PPG-10 / 1 dimethicone, sorbitan isostearate, zinc oxide, octocrylene, 2-ethylhexyl 4-methoxycinnamate, polydimethylsiloxane, isopropyl myristate, tocopheryl acetate, disteardimonium hectorite, a methyl methacrylate crosslinked polymer and titanium dioxide; the component C comprises the following ingredients: phenoxyethanol, ethylhexylglycerin and the balance of deionized water. The sunscreen can realize chemical sunscreen and physical sunscreen, realizes the dual-sunscreen effect and has good skin fitting performance and sunscreen effect. The invention further discloses a preparation method of the sunscreen. The preparation method is simple, the sunscreen has a good dispersion effect, so that the sunscreen product has good skin fitting performance and a good absorption effect.

A method for synthesis of 3-piperidone derivatives through iridium catalytic hydrogenation is provided, wherein a used catalyst is a triphenylphosphine complex of iridium. A reaction can be carried out under the following conditions: the temperature is 40-60 DEG C; the solvent is 1,2-dichloroethane; the pressure is 20-50 atmospheric pressures; the ratio of a substrate to a catalyst is 100 to 1; and the catalyst is a complex of chloro(1,5-cyclooctadiene)iridium(I) dimer and triphenylphosphine. Hydrogenation of 3-hydroxypyridine benzyl bromide salt can obtain the 3-piperidone derivatives with excellent chemoselectivity, the highest yield can reach 97%, and the chemical selectivity of ketones and alcohols is greater than 20:1. The method has the advantages of simple and convenient operation, easily obtained raw materials, high chemoselectivity, and good yield, and provides an atom economic and environment-friendly route for synthesis of a series of 3-piperidone derivatives.

Thus, the present invention relates to a method for determining the organoleptic quality of a microalgal flour composition, comprising determining the total content of 13 volatile organic compounds, the 13 volatile organic compounds being heptanal, 3-octen-2-one, 2,4-heptadienal, 3,5-octadien-2-one, 2,4-nonadienal, 2,4-decadienal, hexanoic acid, 2-ethylhexanoic acid, heptanoic acid, myristate-1, laurate-1, myristate-2 and geranyl acetone.

The invention relates to a method for synthesizing chiral dihydro-6H-indolo[2,1-c][1,4]-benzodiazepine by iridium-catalyzed asymmetric hydrogenation. The reaction conditions are as follows: the temperature is 0-50 DEG C; the solvent is benzene or toluene; the pressure is 13-60 atmospheric pressures; the ratio of the substrate to the catalyst is 50 / 1; and the catalyst is a complex of (1,6-cyclooctadiene)iridium chloride dimer and diphosphine ligand. Seven-element cyclic indolo[2,1-c][1,4]-benzodiazepine is hydrogenated to obtain the corresponding chiral dihydro product, and the enantiomeric excess can reach 89%. The invention is simple and practical to operate, and has the advantages of accessible raw materials, favorable selectivity for antipode, high yield, atomic economical efficiency for reaction, and environment friendliness.

The invention relates to a synthesizing method of N,N-diethyl-3,7-dimethyl-(E)-2,6-octadiene-1-amine, belonging to the technical field of chemical industry. In the method, myrcene and diethylamine which are used as raw materials are synthesized into the N,N-diethyl-3,7-dimethyl-(E)-2,6-octadiene-1-amine with higher yield coefficient under the catalysis of metals and corresponding auxiliary catalysts. The invention has certain industrial prospect.

Disclosed is a method for efficiently and highly selectively producing L-2-amino-4-(hydroxymethylphosphinyl)-butanoic acid, which is useful as a herbicide, through a catalytic asymmetric synthesis reaction. Specifically disclosed is a method for producing L-2-amino-4-(hydroxymethylphosphinyl)-butanoic acid which is characterized in that a dehydroamino acid is subjected to an asymmetric hydrogenation by using a rhodium catalyst represented by the formula (2) below and having an optically active cyclic phosphine ligand, and then the resulting product is subjected to hydrolysis:[Rh(R4)(L)]X  (2)[where R4 represents 1,5-cyclooctadien or norbornadien; L represents a substance represented by the following formula (6):(wherein R5 and R8 respectively represent a C1-4 alkyl group; R6 and R7 respectively represent hydrogen atom or hydroxyl group; and Y represents a group selected from groups represented by the following formula (7):(where Me represents methyl group)).].

The invention relates to a method for synthesizing chiral dihydro-5H-pyrrolo[2,1-c][1,4]-benzodiazepine by iridium-catalyzed asymmetric hydrogenation. The reaction conditions are as follows: the temperature is 20-50 DEG C; the solvent is benzene or toluene; the pressure is 13-50 atmospheric pressures; the ratio of the substrate to the catalyst is 50 / 1; and the catalyst is a complex of (1,5-cyclooctadiene)iridium chloride dimer and diphosphine ligand. Seven-element cyclic pyrrolo[2,1-c][1,4]-benzodiazepine is hydrogenated to obtain the corresponding chiral dihydro product, and the enantiomeric excess can reach 96%. The invention is simple and practical to operate, and has the advantages of accessible raw materials, favorable selectivity for antipode, high yield, atomic economical efficiency for reaction, and environment friendliness.

The invention provides a preparing method for di-tertiary butyl-4-dimethylamino phenylphosphine. Di-tertiary butylphosphine is subjected to low-temperature lithiation under shielding of inert gas and then reacts with N,N-dimethyl p-chloroaniline, and di-tertiary butyl-4-dimethylamino phenylphosphine is obtained. According to the preparing method, di-tertiary butyl-4-dimethylamino phenylphosphine is purified after a quenching reaction. The invention further provides a preparing method for bis(di-tertiary butyl-4-dimethylamino phenylphosphine) palladium chloride. Di-tertiary butyl-4-dimethylamino phenylphosphine obtained through the preparing method is further subjected to complexation with (1,5-cyclooctadiene) palladium dichloride or bispalladium dichloride. A di-tertiary butyl-4-dimethylamino phenylphosphine ligand is prepared through the novel method, purified and then subjected to palladium complexation, and the preparing yield is greatly increased; meanwhile, the loss of palladium is reduced, the preparing cost is greatly reduced, and the obtained products are high in purity and good in quality.

The present invention is an oil-in-water emulsified composition and a sunscreen cosmetic characteristically comprising the following (a)-(j):(a) Octocrylene(b) Bis ethylhexyloxyphenol methoxyphenyl triazine(c) Hexyl diethylaminohydroxybenzoylbenzoate(d) 4-tert-butyl-4′-methoxybenzoylmethane(e) Water soluble polymer(f) Water-swelling clay mineral(g) Oil component having IOB of 0.05 or more(h) Higher fatty acid(i) Surfactant(j) WaterThe object of the present invention is to provide a sunscreen cosmetic that manifests a superior ultraviolet absorption effect and is superior in terms of the emulsification stability and the sensation during use.

An object of the present invention is to provide a water-in-oil type emulsion sunscreen cosmetic which can achieve excellent UV protection capability, excellent usability such as good adaptation to the skin and non-stickiness, excellent emulsion stability and excellent water resistance.The water-in-oil type emulsion sunscreen cosmetic in the present invention is characterized by comprising (a) 0.2 to 14% by mass of methoxycinnamate ester, (b) 0.02 to 14% by mass of octocrylene, (c) 0.2 to 14% by mass of dimethylpolysiloxane, (d) 0.02 to 14% by mass of monoester oil represented by the formula: R1COOR2 wherein R1 represents an alkyl group having 5 to 11 carbon atoms and R2 represents an alkyl group having 3 to 11 carbon atoms, and (e) 0.02 to 6% by mass of silicone-chain branched-type alkyl / polyoxyethylene-modified silicone.

An O / W emulsion composition having excellent ultraviolet light blocking properties, preparation stability and feeling of use, wherein an oily organic ultraviolet absorbent such as octocrylene and a solid organic ultraviolet absorbent are blended. The O / W emulsion composition contains the components (a)-(c) mentioned below, and an oil phase containing the component (a) has an average particle diameter of not more than 700 nm. (a) an organic ultraviolet absorbent containing (a1) octocrylene, which is in an oil form at 20 DEG C (b) an organic ultraviolet absorbent selected from (b1) bis-ethylhexyloxyphenol methoxyphenyl triazine and (b2) methylene bis-benztriazolyl tetramethylbutylphenol, which is in a solid state at 20 DEG C (c) a polyoxyethylene / polyoxyalkylene alkyl ether block polymer represented by general formula (1) or (2): R1O-(PO)m-(EO)n-H (1) (In the formula, R1 represents a hydrocarbon group having 16-18 carbon atoms; PO represents an oxypropylene group; EO represents an oxyethylene group; PO and EO are added in blocks; and m and n respectively represent average mole numbers of added PO and EO and satisfy 70 > m > 4, 70 > n > 10 and n > m.) R2O-(AO)p-(EO)q-R3 (2) (In the formula, R2 and R3 may be the same or different and each represents a hydrocarbon group having 1-4 carbon atoms; AO represents an oxyalkylene group having 3-4 carbon atoms; EO represents an oxyethylene group; AO and EO are added in blocks; and p and q respectively represent average mole numbers of added AO and EO and satisfy 1 = p = 70, 1 = q = 70 and 0.2 < (q / (p + q)) < 0.8.)

The invention discloses a method for preparing dicarbonyl iridium acetylacetonate (I). Dicarbonyl iridium acetylacetonate (I) is a precursor compound for preparing an iridium coating by MOCVD (metal-organic chemical vapor deposition), and is also a common carbonyl addition homogeneous catalyst. The method mainly comprises the following steps: (1) reacting iridous chloride hydrate and 1,5-cyclooctadiene to generate an intermediate (1,5-cyclooctadiene) iridium chloride (I) dimer; and (2) reacting the intermediate and carbon monoxide to introduce carbonyl group, reacting with acetylacetone to obtain the dicarbonyl iridium acetylacetonate (I). The preparation method has the advantages of simple technical process, high yield and high product purity, and is suitable for mass preparation of [Ir(CO)2(acac)].

The invention relates to a norbornene, vinylcyclohexane and perfluoromethyl vinyl ether ternary copolymerization catalyst and a ternary copolymerization method. In a three-neck flask with dry inert gas atmosphere, bis-(1,5-cyclooctadiene) nickel and ligand are dissolved into a first solvent, so that a mixed solution is obtained; then, under stirring, titanium tetraisopropanolate is dripped into the mixed solution, the mixed solution continues to be stirred under 30 DEG C to 70 DEG C for 30 to 70 minutes, and thereby a nickel-titanium complex catalyst is obtained; a norbornene monomer, vinylcyclohexane and a perfluoromethyl vinyl ether monomer are added into a high-pressure kettle which is vacuumized multiple times and filled with nitrogen, and a second solvent is added for dissolution; the nickel-titanium complex catalyst is then added, and reaction takes place under certain temperature and pressure for 1 to 8 hours; the product obtained by the reaction is poured into ethanol solution containing 4 to 5wt percent of hydrochloric acid, the obtained precipitate is washed with ethanol to become neutral, and after vacuum drying, a norbornene, vinylcyclohexane and perfluoromethyl vinyl ether ternary copolymer is obtained.

The invention discloses a reparation method and an application of a dipentene dehydrogenation catalyst. The preparation method includes the steps: preparing [Rh(COD)Cl]2 by a co-heat backflow method of RhCl3*3H2O ethanol solution and 1, 5-cyclooctadiene (COD); mixing the [Rh(COD)Cl]2 and functionalized activated carbon; adding methanol solution; ultrasonically treating, filtering and drying mixture to prepare a [Rh(COD)Cl]2 / C catalyst; applying the prepared catalyst into dipentene dehydrogenation reaction to obtain p-cymene with high yield. The method is simple to operate, low in device condition requirement, mild in condition and high in dipentene conversion rate and p-cymene selectivity.