2318 results about "Benzophenone" patented technology

An electronic device module comprising:A. At least one electronic device, e.g., a solar cell, andB. A polymeric material in intimate contact with at least one surface of the electronic device, the polymeric material comprising (1) an ethylene-based polymer composition characterized by a Comonomer Distribution Constant greater than about 45, more preferably greater than 50, most preferably greater than 95, and as high as 400, preferably as high as 200, wherein the composition has less than 120 total unsaturation unit / 1,000,000C, preferably the ethylene-based polymer compositions comprise up to about 3 long chain branches / 1000 carbons, more preferably from about 0.01 to about 3 long chain branches / 1000 carbons; the ethylene-based polymer composition can have a ZSVR of at least 2; the ethylene-based polymer compositions can be further characterized by comprising less than 20 vinylidene unsaturation unit / 1,000,000C; the ethylene-based polymer compositions can have a bimodal molecular weight distribution (MWD) or a multi-modal MWD; the ethylene-based polymer compositions can have a comonomer distribution profile comprising a mono or bimodal distribution from 35° C. to 120° C., excluding purge; the ethylene-based polymer compositions can comprise a single DSC melting peak; the ethylene-based polymer compositions can comprise a weight average molecular weight (Mw) from about 17,000 to about 220,000, (2) optionally, a vinyl silane, (3) optionally, a free radical initiator, e.g., a peroxide or azo compound, or a photoinitiator, e.g., benzophenone, and (4) optionally, a co-agent.

An electronic device module comprising: A. At least one electronic device, e.g., a solar cell, and B. A polymeric material in intimate contact with at least one surface of the electronic device, the polymeric material comprising (1) a polyolefin copolymer with at least one of (a) a density of less than about 0.90 g / cc, (b) a 2% secant modulus of less than about 150 megaPascal (mPa) as measured by ASTM D-882-02), (c) a melt point of less than about 95 C, (d) an α-olefin content of at least about 15 and less than about 50 wt % based on the weight of the polymer, (e) a Tg of less than about −35 C, and (f) a SCBDI of at least about 50, (2) optionally, free radical initiator, e.g., a peroxide or azo compound, or a photoinitiator, e.g., benzophenone, and (3) optionally, a co-agent. Typically, the polyolefin copolymer is an ethylene / α-olefin copolymer. Optionally, the polymeric material can further comprise a vinyl silane and / or a scorch inhibitor, and the copolymer can remain uncrosslinked or be crosslinked.

A co-polymer of benzophenone and bisphenol A has been shown to have DUV absorption properties. Therefore, the co-polymer has particular utility as an antireflective coating in microlithography applications. Incorporating anthracene into the co-polymer backbone enhances absorption at 248 nm. The endcapper used for the co-polymer can vary widely depending on the needs of the user and can be selected to promote adhesion, stability, and absorption of different wavelengths.

Ultraviolet light absorbing polymer film, coating, or molded article UV filter elements are described which comprise a polymer phase having molecularly dispersed therein a) a first ultraviolet absorbing dibenzoylmethane compound of formula (I) where R1 through R5 are each independently hydrogen, halogen, nitro, or hydroyxl, or further substituted or unsubstituted alkyl, alkenyl, aryl, alkoxy, acyloxy, ester, carboxyl, alkyl thio, aryl thio, alkyl amine, aryl amine, alkyl nitrile, aryl nitrile, arylsulfonyl, or 5-6 member heterocylce ring groups, and b) a second ultraviolet light absorbing compound which absorbs ultraviolet light at a wavelength for which the first compound is deficient at absorbing. In particular embodiments, the second ultraviolet light absorbing compound may comprise a hydroxyphenyl-s-triazine, hydroxyphenylbenzotriazole, formamidine, benzoxazinone, or benzophenone compound. In a specific embodiment of the invention, the above UV absorbing compounds are employed in cellulose acetate film for the fabrication of a protective film for polarizers for use in display applications.

An active or functional organic compound is solubilized in a diaryl organic compound having a polar or polarizable functional group therein, as a solvent, cosolvent or additive, to form a composition thereof. Representative active or functional organic compounds include those present in personal care products, e.g., sunscreens containing UVA / UVB absorbing compounds, such as avobenzone, benzophenone-3, and 4-methylbenzylidene camphor. Such compositions also show increased SPF, UVA / UVB absorbance ratio, and critical wavelength performance properties.

A fluorescent conversion filter suppresses decomposition and quenching of fluorescent dyes or pigments. An organic light-emitting device may be equipped with such a fluorescent conversion filter. The fluorescent conversion filter is formed by coating with a coating material, followed by patterning by photolithography. The coating material consists of a mixture of organic fluorescent dye or pigment that absorbs light in the ultraviolet to visible light region. The coating also includes a photo-setting or photo-and-thermo-setting resin containing a photopolymerizaion initiator of a hydrogen abstraction type having a benzophenone skeleton within the molecule. As a result, an organic light-emitting device is produced by combining the a fluorescent conversion filter with an organic light-emitting element.

Dry powder foundation formulations that include a sustained-release salicylic acid composition, an effective, buffering amount of one or more salicylate ions, and one or more of zinc and titanium oxides, and pigments or colorants, are disclosed. The formulations provide both acne treatment and prevention, and sunblock protection. The formulation can also include other sunblocking or sunscreen agents to prevent photoaging and sunburn, such as avobenzone, and 3-benzophenone, and other cosmetically-acceptable active agents and excipients.

The present invention relates to a liquid crystal aligning agent, polyorganosiloxane, a liquid crystal aligning film, a forming method thereof and a liquid crystal display element. The present invention provides the liquid crystal aligning agent which can form the liquid crystal aligning film that can generate a pretilt angle with long time stability through an optical aligning method. The liquid crystal aligning agent comprises radiation-sensitive linear polyorganosiloxane which is prepared through the reaction of the following components: specific polyorgansiloxane with epoxy radical; (A) cinnamic acid derivative; and (B) a specific compound with a radiation-sensitive structure that is preferably selected from: acetophenone structure, benzophenone structure, anthraquinone structure, biphenyl structure, carbazole structure, nitro-aryl structure, fluorenes structure, naphthalene structure, anthracene structure, acridine structure and indole structure.

A polymerizable polymeric photoinitiator according to Formula (I):wherein:PL represents an n+m+p-functional polymeric core;n and m independently represent an integer from 1 to 30;p represents an integer from 0 to 10;o is 0 or 1;INI represents a group selected from the group consisting of a benzophenone, a thioxanthone, a carbazole, a anthraquinone, a camphor quinone, an α-hydroxyalkylphenone, an α-aminoalkylphenone, an acylphosphine oxide, a bisacyl phosphine oxide, an acylphosphine sulfide, a phenyl glyoxalate, a benzoin ether, a benzyl ketal, an α-dialkoxyacetophenone, a carbazolyl-O-acyl-oxime, an α-haloarylketone and an α-haloaryl sulfone;L3 and L4 represent a substituted or unsubstituted divalent linking group comprising 1 to 14 carbon atoms;A represents a radically polymerizable functional group selected from the group consisting of an acrylate, a methacrylate, a styrene, an acryl amide, a methacryl amide, a maleate, a fumarate, an itaconate, an vinyl ether, an allyl ether, an allyl ester, a maleimide, a vinyl nitrile and a vinyl ester; andR4 represents a substituted or unsubstituted alkyl group.Radiation curable compositions containing the polymerizable polymeric photoinitiator and methods for preparing the polymerizable polymeric photoinitiator are also disclosed.

Synthesis of a chemical compound having the formula A-B-C that may serve for applications such as drug delivery where A is a chemiluminescent, moiety, B is a photochromic moiety, and C is a biologically active moiety where A-B-C may serve as a prodrug. Novel synthetic methods of the present invention to form the prodrug comprised the steps of (1) forming a benzophenone, (2) forming a diaryl ethylene, (3) attaching a phthalimide moiety to at least one of the aryl groups of the ethylene to form a phthalimide-ethylene conjugate, (4) condensing two ethylene-phthalimide conjugates to form a phthalimide-pentadiene conjugate, (5) converting the phthalimide to the phthalhydrazide by reaction with hydrazine to form a carrier compound according to the present invention, and (6) reacting the carrier compound with an nucleophilic moiety of the drug to form the corresponding prodrug. Alternatively the carrier can be prepared by using the halo-substituted diaryl ethylene to make the corresponding cationic leuco dye-like compound with known methods. The cationic compound then is protected by reacting with a nucleophile and coupled with the aminophathalimide by palladium-catalyzed amination to form the protected phthalimide-pentadiene conjugate. The latter is refluxed with hydrazine to convert its phthalimide to the phthalhydrazide and acidified to give the carrier. An additional aspect of the present invention relates to the use of these compounds as antiviral agents for the treatment of viral infections such as HIV and as anticancer agents for the treatment of cancers such as bowel, lung, and breast cancer.

The object of the present invention is to provide an intermediate film for a laminated glass having excellent transparency, adhesion, impact resistance and penetration resistance as well as excellent light resistance and weather resistance, and scarcely turning yellow in a heating treatment during its preparation. An intermediate film for a laminated glass comprising a laminate consisting of a layer (PVB layer) of a composition comprising polyvinyl butyral and a layer (EVA layer) of a composition comprising ethylene / vinyl acetate copolymer containing an organic peroxide, wherein the composition comprising polyvinyl butyral contains a benzophenone compound as an ultraviolet absorber; a laminated glass; and a process for the preparation of the same.

A one-pot process for preparing opioid analgesics such as hydrocodone, hydromorphone, and analogues thereof by reacting codeine, morphine, and analogues thereof with hydrogen in a solvent system of benzophenone and neutral solvent in the presence of a metal catalyst followed by oxidation in the presence of potassium tert-alkylate.

An OLED device comprises a cathode, an anode, and has therebetween a light emitting layer (LEL) comprising a phosphorescent emitting compound disposed in a host comprising a mixture of at least one electron transporting co-host which is a benzophenone derivative with a spiro substituent and at least one hole transporting co-host which is a triphenylamine which contains one trivalent nitrogen atom that is bonded only to carbon atoms, at least one of which is a member of an aromatic ring, wherein there is present an electron transporting layer contiguous to the LEL (HBL?) on the cathode side comprising an anthracene or a fluoranthene and wherein there is present an election injecting layer comprising a phenanthroline or a lithium quinolate contiguous to the cathode.

The invention relates to an antibacterial treatment method for wool fiber, which comprises the following steps: an organic-inorganic composite antibacterial agent, namely silver-bearing silicon dioxide-chitosan is taken as an antibacterial agent and prepared into a pentabasic antibacterial mother liquor with anhydrous alcohol, deionized water, a diluted hydrochloric acid, a dispering / coupling agent and gamma-vinyltriethoxysilane A-151; the wool fiber is subjected to pre-irradiation of the ultraviolet light, and then immersed into the antibacterial mother liquor for secondary irradiation; and the wool fiber and the silver-bearing silicon dioxide-chitosan composite antibacterial agent generate chemical reaction under the action of a light trigger benzophenone and are combined by means of valence linkage to form an antibacterial film with the thickness of 200 nanometers. The antibacterial treatment method improves the persistence of antibacterial functions of the wool fiber, and the antibacterial rate of the wool fiber is still 98.6 percent after being washed for 50 times. Moreover, the antibacterial treatment method has short process flow, small number of equipment used, quick antibacterial speed, high efficiency and good effect, is easy to prepare the mother liquor, is particularly suitable for performing antibacterial treatment on the wool fiber and pashm fiber, and improves the efficiency by 90 percent compared with the prior antibacterial technology.

A photoimageable, aqueous acid soluble polyimide polymer comprising an anhydride, including a substituted benzophenone nucleus, a diamine reacted with the anhydride to form a photosensitive polymer intermediate, and at least 60 Mole % of solubilizing amine reacted with the photosensitive polymer intermediate to form the photoimageable, aqueous acid soluble polyimide polymer. An emulsion for electrophoretic deposition of a coating of a photoimageable, aqueous acid soluble polyimide polymer comprises a dispersed phase, including the photoimageable aqueous acid soluble polyimide polymer, dissolved in an organic solvent and a dispersion phase including a coalescence promoter and water. The emulsion may be applied, by electrophoretic deposition, to a conductive structure to provide a photoimageable coating on the conductive structure. After exposing the coating to a pattern of radiation for photocrosslinking exposed parts of the photoimageable aqueous acid soluble polyimide polymer, an aqueous acid developer solution removes unexposed photoimageable aqueous acid soluble polyimide polymer to reveal a crosslinked polyimide polymer image of the radiation pattern.

The invention discloses a phase-inversion sunscreen composition and a preparation method thereof. The composition comprises the following components in percentage by weight: 50-70% of water, 3-15% of polyhydric alcohols, 0.03-2% of a wetting agent, 0.1-1% of a thickening agent, 15-35% of an organic sunscreen agent, 1-15% of inorganic sunscreen agent, 5-18% of dispersant, 1-6% of film-forming agent, 1-6% of skin feeling regulating agent, 0.1-3% of a preservative and 1.0-6% of an emulsifier. The composition contains ethylhexyl methoxycinnamate, octocrilene, ethylhexyl salicylate, homosalate, and a combination thereof, preferably one or a combination of more than two of benzophenone-3, benzophenone-4 and avobenzone. According to the invention, due to a phase inversion technology and a stickiness-reducing and oiliness-reducing technology, the sunscreen composition prepared by the invention has a moisturized, fresh and cool feeling when contacted with skin, does not have a sticky or oily feeling after applied and spread, and has high sunscreen value and high water resistance and sweat resistance.

The present invention relates to a polymerizable macromolecule photoinitiator and a preparation method thereof. The preparation method comprises: adding 4-hydroxybenzophenone and a formaldehyde solution to a three-necked flask filled with an alkali adopted as a catalyst, carrying out heating stirring to a temperature of 95 DEG C, and carrying out a reaction for 2 hours; heating to a temperature of 150 DEG C, carrying out a reaction, and carrying out a reduced pressure suction filtration reaction for 20 minutes; cooling to a temperature of 105 DEG C after completing the reaction, and collecting the product; pouring the product into water to carry out precipitation, and carrying out suction filtration to obtain a benzophenone-containing macromolecule photoinitiator; dissolving the benzophenone-containing macromolecule photoinitiator in an organic solvent, and simultaneously adding the benzophenone-containing macromolecule photoinitiator and a tertiary amine to the three-necked flask to carry out stirring; dissolving acryloyl chloride in an organic solvent, and slowly adding the organic solvent containing the acryloyl chloride to the mixing solution in a dropwise manner, wherein thereaction temperature is 0-5 DEG C; after completing the addition, stirring for 3 hours at a room temperature, and standing overnight; carrying out suction filtration, washing and drying on the resulting solution; and carrying out rotary evaporation to remove the solvent to obtain the polymerizable macromolecule photoinitiator. The photoinitiator prepared by the preparation method of the present invention has characteristics of large molecular weight, relatively small mobility, self-polymerization, and the like.

A water-dilutable UV light absorber composition and method for improving the lightfastness of dyed textiles is provided. The composition includes from about 5-75% by weight of an ultraviolet light absorbing agent selected from the group consisting of benzotriazole, benzophenone, and phenol substituted triazine; and from about 25-95% by weight of an organic solvent suitable for dissolving the ultraviolet light absorbing agent. The ultraviolet light absorbing agent is applied to the textiles in a concentration sufficient to result in an add-on in the range of between 0.4-4.0% by weight of the textiles when dry.

A plastic lens which absorbs ultraviolet light having wavelength of about 400 nm and suppresses coloring and a process for producing the lens. A plastic lens may be made from a composition which comprises (A) a lens material monomer comprising diethylene glycol bisallylcarbonate, (B) an organic peroxide-based polymerization initiator, (C) a cobalt compound represented by at least one of CoO.Al2O3 and Co.Al2O4, and (D) at least one ultraviolet light absorbent selected from 2-hydroxy-4-octyloxy-benzophenone, 2,2′,4,4′-tetrahydroxy-4-octyloxybenzophenone and 2,2′,4′-trihydroxy-4-octyloxybenzophenone. A process for producing a plastic lens comprises mixing component (A), component (B), a cobalt fluid comprising component (C) in a dispersant and component (D) and a step of casting the mixed fluid into a mold and polymerizing the fluid to obtain a plastic lens.

The invention relates to an asphalt cold recycling agent, which is characterized by being prepared from a waste asphalt activator, an anti-aging agent, an ultraviolet absorbent, a reinforcing agent, a reinforcing curing agent and a reinforcing auxiliary agent serving as raw materials, wherein the waste asphalt activator consists of any one or more of engine oil, castor oil, naphthenic oil, aromatic hydrocarbon oil and furfural oil; the anti-aging agent is a mixture of an antioxidant and a p-phenylenediamine anti-aging agent; the ultraviolet absorbent is 2,4-dihydroxymethyl benzophenone; the reinforcing agent is bisphenol A epoxy resin E44 or E51; the reinforcing curing agent is a cashew nut oil modified amine curing agent; and the reinforcing auxiliary agent is a glycidyl ester epoxy active diluent. An asphalt recycled mixture prepared by adding the asphalt cold recycling agent into waste asphalt has high comprehensive performance, namely high bonding strength, high-temperature performance, low-temperature crack resistance and rheological performance, the actual service life of 8 years, and high aging resistance and weather resistance.

The invention discloses an industrial synthetic method of low-color high-transmittance polysulfone resin. The method comprises the following steps: by taking 4,4-dichloro-diphenyl sulfone and bisphenol A as reaction monomers, a low-boiling-point organic substance as a solvent, sodium carbonate as a salt forming agent and 3,4'-dichloro-benzophenone as an end capping agent, raising the pressure in a kettle to 2.0-3.0MPa under the protection of an inert gas, and performing polymerization reaction at 200-210 DEG C to obtain a polymerized mucus; and cooling the polymerized mucus, then crushing the polymerized mucus, filtering, then washing to remove the solvent and byproduct salts, and drying. By adopting the synthetic process disclosed by the invention, the problem that the low-boiling-point solvent cannot meet requirements for polymerization during polymerization under a normal pressure condition is solved, the polymerization time is shortened, water-carrying agents including benzene, methylbenzene and dimethylbenzene and the like, which are required to be added during polymerization at normal pressure are avoided, the production cost is reduced, the process steps of recovering and separating these substances in an after treatment process are avoided, and the polysulfone resin prepared by the process disclosed by the invention has very low color and high transmittance, so that the application area of the product is enlarged.

The invention discloses a novel diamine compound, and a preparation method and an application thereof. The preparation method of the novel functional diamine compound comprises the following steps: a large conjugate structure comprising benzophenone carbonyl group is obtained; the ketone carbonyl group is subjected to a Wittig or Wittig-Horner reaction, such that a large conjugate system with a triphenylethylene / tetraphenylethylene structure and comprising a halogen atom is obtained; the halogen atom is further subjected to a Suzuki reaction or a plurality steps of reactions, such that a monoamine compound comprising a triphenylethylene / tetraphenylethylene large conjugate system is obtained; the monoamine compound is subjected to a reaction with halogenated nitrobenzene, such that a dinitro monomer comprising triphenylamine and the triphenylethylene / tetraphenylethylene large conjugate system is obtained; and the dinitro monomer is reduced into the novel diamine compound, such that the novel functional diamine compound comprising triphenylamine and a triphenylethylene / tetraphenylethylene structure is obtained. The synthesis method provided by the invention is simple. Purification is easy. The method is suitable for industrial productions. The synthesized diamine compound has a significant aggregation-induced emission property, and can be used for synthesizing high-performance and functional polymers such as polyamide, polyimide, polyamideimide, polyesterimide, and the like.

The invention provides a compound with a D-(pi)-sigma-(pi)-A chemical structure. The compound has a chemical structure shown as formula (I), wherein L1 and L2 are selected from at least one of a single bond, C1-C20 alkylene, C3-C20 cycloalkylene, C3-C20 heterocyclylene, C6-C40 arylidene, C4-C40 heteroarylene, C10-C60 fused arylidene or C10-C60 fused heteroarylene; an electrondonor D is selected from C1-C20 alkyl, C3-C20 cycloalkyl, C1-C20 alkoxyl, C3-C20 heterocyclyl, C6-C40 aryl, C4-C40 heteroaryl, C10-C60 fused arylidene, C10-C60 fused heteroarylene, C12-C40 carbazyl and a derivative group of C12-C40 carbazyl, C12-C40 diphenylamine and a derivative group of C12-C40 diphenylamine, C18-C60 triphenylamine and a derivative group of C18-C60 triphenylamine, and C12-C40 acridinyl and a derivative group of C12-C40 acridinyl; an electron acceptor A is selected from a nitrogen-containing heterocyclic substituent, a cyan-containing substituent, a triaryl boron substituent, a benzophenone substituent, a heteroaromatic ketone substituent, a sulfone substituent and a phosphorus-containing oxyl substituent. The invention provides a series of bipolar materials with the D-(pi)-sigma-(pi)-A structure, and luminance and luminous efficiency EQE can be improved.

The invention discloses a fluorine-contained pyribenzoxim compound with herbicidal activity and a preparation method thereof. The chemical name of the fluorine-contained pyribenzoxim compound is O-[2,6-bis(4,6-dimethoxy-2-pyrimidyl) oxy] benzophenone (2-trifluoromethyl) formaldoxime, the molecular formula of the fluorine-contained pyribenzoxim compound is C27H22N5O8F3, and the molecular weight of the fluorine-contained pyribenzoxim compound is 601.5. The fluorine-contained pyribenzoxim compound has three isomerides. The invention discloses molecular structural formulas and physical properties of the three isomerides. Meanwhile, the invention discloses a preparation method taking substitute trifluoromethyl-benzaldehyde, 2,6-bis(4,6-dimethyl-2-pyrimidyl-2-oxy) benzoic acid as raw materials. The control effect of the fluorine-contained pyribenzoxim compound reaches at least 94 percent on barnyard grass, Echinochloa colona, Paspalum distichum and Panicum crus in paddy fields. Meanwhile, the fluorine-contained pyribenzoxim compound is highly safe for paddy crops, is friendly to the environment, is low in toxicity and is wide in application prospect in the field of pesticides.

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.

The invention relates to a detection method of determining 16 types of photoinitiators in a paper printing and packaging material, which is used for determining residual amounts of the 16 types of photoinitiators of 2-hodroxy-2-methyl-1-phenylacetone, mehtyl phenylglyoxylate, benzophenone and the like and is characterized by comprising the following concrete steps of: a, sample pretreatment; b, preparation of a standard work solution; c, instrumental analysis; and d, result calculation. Compared with the prior art, through sample pretreatment and optimization of instrumental analysis conditions, the detection method has the advantages that efficiency is high, the 16 kinds of photoinitiators can be simultaneously analyzed and determined within 25m; and printing ink impurities in a sample extraction solution can be better removed in a liquid-liquid distribution impurity removal mode adopted in the sample pretreatment process, so that cost is low, consumption is little, efficiency is high, and sensitivity is high; and in addition, the detection method also has the advantages of high accuracy and good repeatability.

[Problem to be Solved]The object of the present invention is to provide an intermediate film for a laminated glass having excellent transparency, adhesion, impact resistance and penetration resistance as well as excellent light resistance and weather resistance, and scarcely turning yellow in a heating treatment during its preparation.[Means for Solving Problem]An intermediate film for a laminated glass comprising a laminate consisting of a layer (PVB layer) of a composition comprising polyvinyl butyral and a layer (EVA layer) of a composition comprising ethylene / vinyl acetate copolymer containing an organic peroxide, wherein the composition comprising polyvinyl butyral contains a benzophenone compound as an ultraviolet absorber; a laminated glass; and a process for the preparation of the same.

The present invention includes a process for the manufacture of dihydrothebaine, dihydrocodeinone enol acetate, hydrocodone, and analogs thereof by reacting dihydrocodeine or analogs thereof with benzophenone in the presence of potassium tert-alkylate in a hydrocarbon solvent to generate a reaction mixture containing an enolate of the corresponding ketone, followed by addition of the reaction mixture to the electrophilic agent and isolation of the product.

The invention discloses an antibiotic door and window section, which comprises the following parts: 100g polychloroethylene, 4-12g polyethylene chloride, 4-7g impact ACR, 0.8-2.4gmanufactured ACR, 2.8-6g organic tin stalizier, 4-6g titanium oxide, 15-30g lightweight calcium carbonate, 0.2-0.7g stearic acid, 0.1-0.g polyethylene wax oxide, 0.2-1g phthalate ester coupler, 0.3-0.7g benzophenone optical stabilizer, 0.01-0.05g bisphenol A anti-oxidant, 0.02-0.1g fluorescent brightener, 0.001-0.003g titanium blue and 1-2g silver ion antibacterial agent.