151 results about "Triphenylphosphine oxide" patented technology

A diode-addressed color display comprising an UV-diode and a phosphor of the general formula LnL3X2, wherein Ln=Eu3+, Tb3+, Tm3+, Dys3+, Sm3+, L=4-R-4'-benzophenone carboxylic acid, wherein R=phenyl, benzyl, CH3, CF3, C2H5, F, Cl, OCH3, CH3CO; 4-R-4'-benzophenone acetylacetonate, wherein R=phenyl, benzyl, CH3, CF3, C2H5, F, Cl, OCH3, CH3CO; 4-acetophenone carboxylic acid, 4-trifluoroacetophenone carboxylic acid, 4-acetophenone acetylacetonate or 4-trifluoroacetophenone acetylacetonate and X=+E,fra 1/2+EE phenanthroline, +E,fra 1/2+EE diphenyl phenanthroline, +E,fra 1/2+EE 4-Cl-phenanthroline, +E,fra 1/2+EE bipyridine, +E,fra 1/2+EE ethylenediamine, triphenyl phosphineoxide, trimethyl phosphineoxide, triethyl phosphineoxide, +E,fra 1/2+EE diethylene glycol-dimethylether (diglyme) or ethanol.

Provided is a preparing method of sarpogrelate hydrochloride, characterized in that 2-((3-methoxyl)styrylcoumarin)phenol mixture containing triphenylphosphine oxide is catalyzed and hydrogenated, and then reacted with epichlorohydrin and dimethylamine to obtain 2-(dimethylamino)-1-(o-(m-methoxyphenylethyl)phenoxymethyl)ethanol, at the same time, triphenylphosphine oxide is separated or not, reacted with succinic anhydride, salt-formed with chlorine hydride, and re-crystallization by a proper solvent, so as to obtain sarpogrelate hydrochloride.

The present invention is a capacitor of a triphenyl phosphine oxide film as a base dielectric. More specifically, the base dielectric film is selected from the group consisting of Bisphenol-A (Bis-A PEPO). 4',4'-biphenol (BP-PEPO), and Hydroquinone (HQ-PEPO). TPPO based polymers have a very high breakdown strength, dielectric constant, low dissipation factor and high energy density. An ultra-thin coating can leverage the capabilities of this new dielectric, and potentially other commercial polymer films, to make possible energy storage in excess of 1 J/cc. The triphenyl phosphine oxide film can be fabricated containing a conducting PolyANiline (PAN) polymer layer located between the electrode and core polymer, or by being dip coated with PAN.

The invention relates to an OLED (organic light-emitting diode) material, which is characterized in that a spiro[fluorine-9,9'- xanthenes] and triphenylphosphine oxide structure is used as a core; in addition, the general structure formula is shown as the accompanying drawing, wherein the Ar1 and the Ar2 are independently selected from hydrogen and polycyclic aromatic groups containing heteroatoms; in addition, the Ar1 and the Ar2 are not simultaneously hydrogen. The invention also provides a method for preparing the OLED material. The invention also provides a luminous device using the OLED material as a main body material of the luminous layer. The compound structure disclosed by the invention has good bipolar transmission characteristics for electron hole transmission and electron transmission, and has high carrier transmission capability; meanwhile, the glass transition temperature of molecules and the thermolysis temperature can be effectively raised; great benefits are realized on further prolonging of the service life of the device; the prepared device has the advantages that the external quantum efficiency, the power efficiency and the current efficiency can be effectively improved.

The invention provides a preparation method of polyimide fibers. The method includes performing polymerization reaction to dianhydride and diamine in an aprotic polar solvent to obtain a polyamide acid spinning solution. The diamine comprises one or two of phenyl phosphonic acid (p-aminobenzene) diester and 3, 3'-diamine triphenylphosphine oxide; the polyamide acid spinning solution is squeezed out through a spinneret orifice and enters a coagulating bath to be coagulated to obtain polyamide acid fibers; the polyamide acid fibers are subjected to thermal amination process to obtain polyimide primary fibers; and the polyimide primary fibers are subjected to thermal draft process to obtain polyimide fibers. Phosphorus is contained in the molecular structure of the obtained polyimide fibers, so that not only the char yield of the polyamide fibers is high at a high temperature, but also the polyamide fibers can generate volatile phosphorus compounds to inhibit combustion chain mode reaction in a gas phase and have a superior flame retardant property. Experimental results show that the limit oxygen index of the polyamide fibers is 42 to 50.

The invention discloses a cable sheath material containing modified PVC resins and preparation method thereof, and the cable sheath material is composed of following raw materials: modified PVC resins, polyacrylate, nanometer potter clay, sodium silicate, aluminium carbide, vulcanizing agent VA-7, antioxidant TPPD, phenyl triethoxysilane, dibenzyl thiourea, anti-oxidant DLTP, di(2-Ethylhexyl)-4,5-epoxycyclohexane-1,2-dicarboxylate and triphenylphosphine oxide; The invention employs modified PVC resin as main material, and the PVC resin is modified, and the invention has the advantages of greatly improved mechanical property, better mechanical properties, low smoke, halogen free, flame retardation, high mechanical strength and high insulation resistor, and nanometer potter clay in the raw material is used as strengthening agent, and sodium silicate and aluminium carbide are used as filling material.

A process for synthesizing phosphine triphenyldichloride features the reaction between phosphine triphenyloxide and triphosgene or biphosgene in organic solvent under existance of the nucleophilic catalyst chosen from N,N-dimethyl formamide, triethylamine, pyridine, etc.

The invention relates to a method for preparing a rare earth europium ternary complex, which comprises the following steps of: using europium chloride hexahydrate, benzoyl acetone and triphenylphosphine oxide as raw materials, using absolute ethyl alcohol as a solvent and a detergent, using deionized water as a solvent and a cleaning agent, and using sodium hydrate as an acidity-basicity pH value conditioning agent; preparing a solution added with the benzoyl acetone, the triphenylphosphine oxide and ethanol first, and then preparing an europium chloride hexahydrate ethanol solution and a sodium hydrate aqueous solution; dropping the europium chloride hexahydrate ethanol solution and the sodium hydrate aqueous solution into a four-hole boiling flask under a condition with heating, stirring and water circulation condensation to perform chemical reactions so as to prepare a ternary mixed solution; performing vacuum suction filtration, washing, recrystallization purification and vacuum drying on the ternary mixed solution to prepare white powder of the rare earth europium ternary complex, wherein the chromaticity coordinates are that X is equal to 0.6637 and Y is equal to 0.3351, and the rare earth europium ternary complex glows. The preparation method has the advantages of short process flow, fewer used devices, high yield up to 90 percent, good product purity up to 98 percent, good luminous performance and high luminous efficiency.

The invention provides a triphenylphosphine oxide modified triazine compound as well as preparation and an application thereof in an OLED (organic light-emitting device), relates to an organic electroluminescent material, a synthetic method and an apparition of the material, and aims to solve the problem that turn-on voltage is high when the conventional electron transport material with higher triplet-state energy level is applied to a triazine derivative electroluminescent device. The structural formula of the triphenylphosphine oxide modified triazine compound is shown in the specification. A preparation method comprises the following steps: step 1, preparing monobromo triphenyl triazine; and step 2, reacting monobromo triphenyl triazine with diphenylphosphine to prepare the triphenylphosphine oxide modified triazine compound. The triphenylphosphine oxide modified triazine compound can be taken as the electron transport material to be applied to an organic electrophosphorescent device, the turn-on voltage of an electrophosphorescent device is reduced to 2.7 V, and meanwhile, the luminous efficiency and brightness of the organic electroluminescent material and the device of the material are improved.

The invention discloses an organic molybdenum complex compound; organic ligand containing nitrogen group elements can be adopted to be matched with molybdenum to form metal organic compound, wherein the organic ligand includes triphenyl phosphine or alkyl-substituted derivative of the triphenyl phosphine, triphenyl phosphine oxide or alkyl-substituted derivative of the triphenyl phosphine oxide, triphenyl amine or alkyl-substituted derivative of the triphenyl amine, triphenyl amine oxide or alkyl-substituted derivative of the triphenyl amine oxide, triphenyl arsine or alkyl-substituted derivative of the triphenyl arsine, and triphenyl arsine oxide or alkyl-substituted derivative of the triphenyl arsine oxide. Meanwhile, the invention further discloses a preparation method of the organic molybdenum complex compound and the application of taking the organic molybdenum complex compound as catalyst in synthesizing poly-dicyclo-pentadiene. The organic molybdenum complex compound has higherchemical stability, is not sensitive for air and water vapor, can be taken as the catalyst to be applied in synthesizing the poly-dicyclo-pentadiene with higher catalytic activity, reduces the reaction conditions required by synthesizing the poly-dicyclo-pentadiene due to the chemical stability, and has good popularization and application prospects.

The invention relates to a new method for preparing a cefuroxime sodium compound. A target product is prepared by using triphosgene and triphenylphosphine oxide as catalysts, reacting 7-amino-cephalosporanic acid with (Z)-methoxyl imido furylacetic acid ammonium salt and sequentially adding chlorosulfonyl isocyanate and sodium iso-octoate for reaction. The cefuroxime sodium compound prepared by the method is greatly enhanced in purity and yield coefficient and has advantages of inexpensive using materials, simple synthesizing technology and equipment and easy production separation and purification.

The present invention discloses a bionical rare earth organic complex light conversion agent and a preparation method thereof, and the composition of the bionical rare earth organic complex light conversion agent is as follows: SmM<1-x>(TTA)L. The light conversion agent chooses the easily obtained, cheap samarium ion as a central ion, lanthanum La<3 plus>, gadolinium Gd<3 plus> and yttrium Y<3 plus> as heterocaryotic central ions, organic compound (Alpha-thenoyltrifluoroaceton) with the lowest excited triplet level matching the Sm<3 plus> excited level as a ligand and o-phenanthroline, 2,2'-bipyridyl, trioctylphosphine oxide, triphenylphosphine oxide, etc. as second ligands. The method for preparing the light conversion agent includes the following steps: dissolution, stirring and reaction, deposition, filtration, washing, drying, grinding and finished product, and the appearance of the product is white or light yellow. The light conversion agent provided by the present invention can convert ultraviolet light into red light with a wavelength between 620nm and 660nm, the emitting efficiency is high, the color purity is high, and the strongest emission wavelength is close to the position of the maximum absorption peak of chlorophylls (a, b), so the light conversion agent can meet the physiological requirement of the photosynthesis of plants.

The invention relates to a main material based on a phenanthrene and imidazole derivative and an electroluminescent device, belonging to the technical field of organic electroluminescence. The structural general formula of the main material disclosed by the invention is represented by the FORMULA described in the specification, wherein the R substituent group and the phenanthrene and imidazole group are in the meta-position or para-position; R can be a 1,10-phenanthroline derivative, a triphenylphosphine oxide derivative or a triphenyl borane derivative; R1-R4 are H, alkyl containing 1-4 C atoms, halogenated alkyl, aromatic ring and the like; a luminescent layer of the electroluminescent device is commonly prepared from the main material based on the phenanthrene and imidazole derivative and a phosphorescence doped material. The electroluminescent device emits green light, yellow light, red light and the like. The electroluminescent device can be used in the application fields, such as panel display and illumination light sources.

The invention relates to the technical field of synthesis of a flame retardant and provides a sulfonate flame retardant with high nitrogen and phosphorus content. The sulfonate flame retardant comprises a compound I with a structure shown in the specification. The invention further provides a preparation method of the sulfonate flame retardant with high nitrogen and phosphorus content. According to the preparation method, cyanuric chloride, triphenylphosphine oxide, sodium sulfanilate, concentrated nitric acid and concentrated sulfuric acid are taken as raw materials, and the compound I is synthesized through four steps of reactions. The invention further provides an application of the sulfonate flame retardant with high nitrogen and phosphorus content in addition to polycarbonate. The sulfonate flame retardant, the preparation method and the application have the beneficial effects that the flame retardant is non-toxic, smoke-suppressing, droplet-resisting, good in thermal stability, high in flame retardant efficiency and low in cost; the usability and color of a product are not affected when the sulfonate flame retardant is added to the material, a nitrogen and phosphorus synergistic flame retardant effect can be realized, and a synthesis process is simple and suitable for popularization and application.

The invention discloses sulfonated polyarylether based on a triphenylphosphine oxide structure unit and a preparation method thereof in the technical field of chemical industry. Sulfonated triphenylphosphine monomer, triphenylphosphine monomer and dihydroxyl monomer are used as raw materials to be polycondensed directly in polar solvent by the action of reaction accelerant to obtain a polymer with a structural formula as above, wherein, M is hydrogen ion, lithium ion, sodium ion, kalium ion, cesium ion or ammonium ion; when m is equal to 1, the polymer is a homopolymer containing sulfonated triphenylphosphine oxide; when m is more than 0 and less than 1, the polymer is the multipolymer containing the sulfonated triphenylphosphine oxide. The polymer has good thermal stability, mechanical property and solubility, large molecular weight and good compatibility with inorganic material and can be applied in proton exchange membrane fuel cell field.

This invention relates to a synthetic method of astaxanthin compound. In existing method, toxicity of byproduct triphenylphosphine oxide is bigger, the aftertreatment is highly trouble. In this invention :(1) dissolve 2, 7 - dimethyl - 2, 4, 6 - octo- -triene -triene - 1 , 8 - double phosphonate ester in anhydrous solvent, add alkali alkali under nitrogen shield , whipping; (2) by distribution droplets method drop 3 - methyl - 5 - ( 2, 6, 6 - trimethyl - 3 - oxo - 4 - hydroxy cyclohexene - 1 - group) - 2, 4 - pentylene aldehyde to solution obtained by (1), after drop finish, decant to water, then by decompression and steam to divide anhydrous solvent from obtained hybrid, subsequently use organic solvent for extraction, aband on dehydration layer. The organic layer use anhydrous desiccant to dry, filtration, evaporate organic solvent, add spirits solvent, recirculate under nitrogen shield, gain astaxanthin.

The invention discloses an organophosphorus based tungsten complex which is bidentate chloride of triphenylphosphine or triphenylphosphine oxide of tungsten. Phenyl in the triphenylphosphine or triphenylphosphine oxide may be alkyl substituted phenyl and the number of the alkyl substituents can be 1-3. The invention also discloses a preparation method of the organophosphorus based tungsten complex and application of the organophosphorus based tungsten complex in synthesizing polydicyclopentadiene. Under the action of organophosphorus ligands, the tungsten complex of the invention has higher catalytic activity in synthesizing polydicyclopentadiene, has high chemical stability and is insensitive to air and water vapors, thus lowering the reaction conditions for synthesizing polydicyclopentadiene. In addition, the raw materials adopted by the organophosphorus based tungsten complex prepared by the invention are low in price and the preparation method is simple; therefore, the tungsten complex is low in preparation cost and has good popularization and application prospect.

The invention relates to a ceftizoxime sosium compound of a new way. Ceftizoxime sosium is prepared by firstly reacting a cefotaxime acid with a methanoic acid to generate 2-(2-formyl aminothiazole-4-radical)-2-methoxyl imine acetic acid, then adding 7-amino-3-nor-3-cephem-4-carboxylic acid, taking triphenylphosphine oxide and triphosgene as catalysts, stirring and reacting, and regulating an acid-base pH value.

The invention provides a synthesis method for aztreonam. The synthesis method for the aztreonam particularly comprises the following steps: preparing 2-[[(Z)-1-(2-amino-4-thiazolyl)-2-chlorine-2-oxo ethylidene]amino]oxygen-2-methyl propionic acid hydrochloride (IV) by using (2-amino thiazolyl-4-yl)-2-(tert-butyl oxycarbonyl)-isopropoxy iminodiacetic acid (III) as a starting material under the action of a BTC/TPPO system and HCl gas; and performing condensation on aztreonam parent nucleus (II) to directly obtain the aztreonam. Compared with the traditional process, the new process has the characteristics as follows: (1) an acyl chloride method is adopted, so damage to beta-lactam ring by strong acid in the traditional process is avoided from the source; (2) residue of 2-mercaptobenzothiazole (M) of the product is eliminated from the source; (3) the used reaction reagent triphenylphosphine oxide (TPPO) can be recycled and is environment-friendly; and (4) in the aztreonam product, the yield is high and the purity is over 99 percent, so important industrialized application prospect is achieved.

A method for removing iodobenzene compounds from an acetic acid is disclosed. The method comprises contacting an acetic acid with palladium supported on macroreticular ion-exchange resins. A process for producing acetic acid is also disclosed. The process comprises carbonylating methanol in the presence of a carbonylation catalyst and a triphenylphosphine oxide stabilizer to produce acetic acid which contains iodobenzene compounds and removing the iodobenzene compounds by contacting the acetic acid product with palladium.

The invention provides polyarylether resin containing a carboxyl group and a preparing method thereof. The polyarylether resin containing the carboxyl group has a structure shown in the formula (I), a non-coplanar triphenyl phosphine oxide structure is introduced into a main chain, a side chain of the resin is modified with a phenyl group containing the carboxyl group, and the obtained resin is excellent in temperature resistance and mechanical property and good in flame retardance and solubility property. In addition, phenolphthalin as well as other commercialized bisphenol monomers,and bis(4-halogenated phenyl) phenyl phosphine oxide as well as other dihalogen monomers are subjected to homopolymerization or copolymerization reaction in organic solvent to prepare the polyarylether resin. The raw materials are wide in source, reaction conditions are simple, and industrial production is easy to realize.

The invention relates to a method for recovering triphenylphosphine oxide and triphenylphosphine from waste residue. The method comprises the following processes: drying the waste residue washed with inorganic acid, completely dissolving the waste residue with an organic solvent, slowly adding concentrated sulfuric acid to dissolved solution dropwise, stirring and filtering to obtain filter residue and filtrate; adding sodium bicarbonate solution to the filtrate to obtain neutral solution, spin drying and recrystallizing with the organic solvent to obtain the triphenylphosphine; and adding the organic solvent and the sodium bicarbonate solution for extraction and spin drying an obtained organic layer to obtain the triphenylphosphine oxide. The method can help recover the triphenylphosphine and the triphenylphosphine oxide with the weight percentage of about 90% and about 97% respectively, has the advantages of low cost, high yield, environmental protection, simple industrialized operation, high product purity and the like, and effectively solves problems of complex operation, high energy consumption, low yield, severe environmental pollution and the like, thus having greater application value and potential social and economical benefits.

The invention relates to a preparation method of a sacubitril intermediate having low triphenylphosphine oxide content. The preparation method comprises that water, isopropyl acetate, sodium bromide, sodium bicarbonate and tetramethylpiperidine oxide into (R)-tert-butyl(1-([1, 1'-biphenyl]-4-yl)-3-hydroxypropane-2-yl)carbamate, adding a sodium hypochlorite solution into the mixture drop by drop for a reaction, after the reaction, carrying out layering, taking an organic layer, adding ethoxyformylethylidenetriphenyl phosphorane into the organic layer, after a reaction, concentrating the reaction product, removing isopropyl acetate, adding ethanol, water and lithium hydroxide into the mixture, carrying out heating until reflux, carrying out concentration until drying, adding water and activated carclazyte into the product, carrying out stirring at the room temperature, filtering the mixture, adding ethanol and acetic acid into the filtrate, carrying out heating until reflux, and carrying out cooling and stirring to precipitate solids which are the sacubitril intermediate finished products. The preparation method can reduce triphenylphosphine oxide content of the (R)-tert-butyl(1-([1, 1'-biphenyl]-4-yl)-3-hydroxypropane-2-yl)carbamate.

The invention discloses an organic long afterglow material with photoactivation characteristic, and a preparation method and application thereof. The chemical structure of the material has a general formula; and R in the formula is H, F, OCH3. According to the invention, the series of compounds are prepared by taking a triphenylphosphine oxide derivative as a research object and connecting different substituents to three benzene ring para-positions of triphenylphosphine oxide. after controlling of the ultraviolet irradiation time, the phosphorescence service life and the intensity of the series of materials are obviously improved. And in combination with different dynamic adjustability, multiple information encryption applications are realized.

The invention discloses a triphenylphosphine oxide connecting bisoxazoline ligand, a preparation method and an application thereof and belongs to the technical field of organic synthesis and chiral catalysts. A structural formula of the triphenylphosphine oxide connecting bisoxazoline ligand provided by the invention is shown as formula I. The variety of the bisoxazoline ligand is increased, and the application of the bisoxazoline ligand in the chiral synthesis technology and other fields is widened. The invention also provides the preparation method for the triphenylphosphine oxide connecting bisoxazoline ligand. According to the preparation method, a derivative of bromophenyl-2-oxazoline or o-bromobenzaldehyde glycol acetal is reacted with magnesium, thereby obtaining a corresponding Grignard reagent, and then the Grignard reagent is reacted with phenylphosphonyl dichloride (PhPOCl2), and after the follow-up treatment is performed, the ligand is obtained. The invention also provides the application of the ligand. The ligand and palladium can be compounded into a chiral bisoxazoline metallic complex compound which is used for catalyzing an asymmetric allyl alkylation reaction.