631 results about "Thiophenol" patented technology

An elastomeric composition for forming a golf ball or a component thereof is disclosed that includes the use of a metal thiosulfate, either alone or in combination with one or more halogenated organic sulfur compounds, such as halogenated thiophenol (HTP), or salts thereof. The composition produces a molded product exhibiting an enhanced combination of increased compression (i.e., softness) and/or resilience (C.O.R.).

The invention provides heteroatom doped hollow porous carbon microspheres and a preparation method thereof. A micro-nano capsule formed by 4,4'-thiobisbenzenethiol and triethylamine is taken as a template, hollow polyphosphazene microspheres are prepared by coating and modifying the surface of the template through polyphophazene, finally, carbonization and activation treatment are performed in an inert atmosphere, and the heteroatom doped hollow porous carbon microspheres are obtained. The following complicated template removal process of a hard template method is avoided; a large quantity of non-carbon atoms in the polyphophazene molecular structure provide a necessary condition for formation of the heteroatom doped structures in the hollow carbon microspheres. According to the preparation method, the yield is high, the material structure is uniform, the specific surface area is large, and the preparation method is an efficient method for preparation of the heteroatom doped hollow porous carbon microspheres.

A composition is disclosed that includes at least one polyolefin, at least one organic peroxide, and an antioxidant mixture of a composition of at least one polyolefin, at least one organic peroxide, and an antioxidant mixture. The antioxidant mixture has at least one fast radical scavenger selected from the group consisting of low hindered phenols, low hindered thiophenols, low hindered thiobisphenols, aliphatic amines, aromatic amines, NOR HALS, hydroxylamines, and mixtures thereof, and at least one long term stabilizer selected from the group consisting of low hindered phenols, highly hindered phenols, thiosynergists, aliphatic amines, aromatic amines, HALS, hydroxylamines, and mixtures thereof. The preferred polyolefin is a homopolymer of ethylene or a copolymer of ethylene and the compositions are useful in insulating media for medium and high voltage wire and cable applications.

A golf ball comprises a molded core, one or more ionomer mantles, and a thermoset polyurethane cover. The core is a high cis-polybutadiene crosslinked with zinc diacrylate and may also comprise a halogenated thiophenol and metal thiosulfate. One or more of the ionomer mantles comprises an ionomer neutralized to 80% or greater.

An object of the present invention is to provide a golf ball traveling a great flight distance on driver shots. The present invention provides a golf ball comprising a spherical core and at least one cover layer covering the spherical core, wherein the spherical core is formed from a rubber composition containing (a) base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator, (d) a carboxylic acid having 1 to 14 carbon atoms and/or a salt thereof, and (e) a halogen-substituted thiophenol and/or a metal salt thereof as an organic sulfur compound, provided that the rubber composition further contains (f) a metal compound in the case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent.

The invention relates to a preparation method of 2-isopropyl thioxanthone and derivatives thereof, comprising the following steps of: carrying out condensation reaction on a derivative of o-chlorobenzoic acid (C7H5ClO2) and a derivative of 4-isopropyl thiophenol (C9H12S) in an organic solvent, and carrying out dehydration cyclization reaction on condensation products under the catalysis of concentrated sulfuric acid. The 2-isopropyl thioxanthone prepared by the invention can be used as a high-efficiency radical II-type photo initiator. The invention has easy operation, low cost, environmental protection and high purity; the purity of the product can reach more than 99 percent; the product can be commercially prepared and produced on a large scale to meet the current ever-increasing market demand.

A method for producing an organic semiconductor device (110) having at least one organic semiconducting material (122) and at least two electrodes (114) adapted to support an electric charge carrier transport through the organic semiconducting material (122) is disclosed. The organic semiconducting material (122) intrinsically has ambipolar semiconducting properties. The method comprises at least one step of generating at least one intermediate layer (120) which at least partially is interposed between the organic semiconducting material (122) and at least one of the electrodes (114) of the organic semiconductor device (110). The intermediate layer (120) comprises at least one thiol compound having the general formula HS—R, wherein R is an organic residue. The thiol compound has an electric dipole moment pointing away from the SH-group of the thiol compound. The electric dipole moment has at least the same magnitude as the electric dipole moment in 4-Phenylthiophenol. By the intermediate layer (120) an ambipolar charge carrier transport between the electrodes (114) is suppressed in favor of a unipolar charge carrier transport.

The invention discloses a preparation method of 3,5-dimethyl-4-chlorophenol, which takes tetrachloroethylene as a solvent, benzyl thiophenol and aluminium chloride as cocatalysts, sulfuric chloride as a chloridizing agent, orientation chlorination is carried out through two phases of low-temperature chlorination and high-temperature chlorination, the mass ratio of tetrachloroethylene to MX is 0.5-4: 1; the mass ratio of the cocatalyst to MX is 2.5-6.5:1000; at low temperature chlorination phase, the mass ratio of sulfuric chloride dropping amount to MX is 0.9-1.2: 1; at high temperature chlorination phase, the mass ratio of sulfuric chloride dropping amount to MX is 0.1-0.2: 1; the temperature at the low temperature chlorination phase is controlled at 30-45 DEG C, chlorination is carried out for 4-6 hours; the temperature at high temperature chlorination phase is controlled at 50-65 DEG C, and chlorination is carried out for 1-2 hours, insulation reaction is carried out after the dropping process of sulfuric chloride is completed, tail gas is removed for 1-2 hours, and steps of water-washing layering, cooling and crystallizing, centrifuging and washing, and drying to obtain the product. According to the method, the conversion rate can reach more than 95%, finished product PCMX yield is increased, and the by-product can be effectively reduced.

The invention discloses a synthetic method of vortioxetine. The synthetic method comprises the following steps of by adopting a compound as shown in a formula (I) as a raw material, carrying out substitution reaction on the compound and 2,4-dimethyl thiophenol (II) to generate 2-(2,4-dimethyl phenyl alkyl sulfide) nitrobenzene (III); reducing 2-(2,4-dimethyl phenyl alkyl sulfide) nitrobenzene (III) to obtain 2-(2,4-dimethyl phenyl alkyl sulfide) phenylamine (IV); cyclizing 2-(2,4-dimethyl phenyl alkyl sulfide) phenylamine (IV) and N,N-bis(2-chloroethyl)-4-methyl benzsulfamide (VI) to obtain Tos-protecting vortioxetine (V); and preparing vortioxetine (VII) from Tos-protecting vortioxetine (V) under the action of a phenol additive. The synthetic method disclosed by the invention has the advantages of easily available raw material, simple process, low cost and high purity, and is suitable for industrialized production.

The invention discloses a fluorescent probe containing N, N-diethyl paramethylaminophenol and application thereof in the thiophenol detection. The structural formula of the fluorescent probe is as follows: in a phosphate buffered solution with pH value of 7.4, the compound can be in nucleophilic substitution reaction with thiophenol for releasing out the strong fluorescent material 3-(N, N-diethyl)-6-hydroxy-fluorane, so that the reaction system has a strong fluorescent signal at the wavelength of 543 nm; experimental results show that the fluorescent probe is used to detect the thiophenol; the detection limit of the thiophenol is 6.0*10<-9>mol/L; the relative standard deviation is 2.6%; the qualitative and quantitative detection of the thiophenol can be realized. The detecting method is simple in operation, high in accuracy and sensitivity and good in selectivity; different thiol compounds have no disturbance to the system of the fluorescent probe detecting the thiophenol; the fluorescent probe can be used for detecting the content of the thiophenol in a water sample.

The invention discloses a preparation method of a baloxavir marboxil intermediate. The preparation method is characterized by comprising the following steps: (1) substituting 2-bromomethyl-3,4-difluorophenylacetonitrile through sodium thiophenolate in a solvent A to obtain 3,4-difluoro-2-[(thiophenyl) methyl] benzyl cyanide; (2) reacting the 3,4-difluoro-2-[(thiophenyl) methyl] benzyl cyanide obtained in the step (1) with a cyclizing agent in a solvent B, and carrying out cyclization to obtain 7,8-difluoro dibenzo [b,e] thia heptacyclic-11(6H)-ketone; and (3) reducing the 7,8-difluoro dibenzo[b,e] thia heptacyclic-11(6H)-ketone obtained in the step (2) to obtain 7,8-difluoro dibenzo [b,e] thia heptacyclic-11(6H)-alcohol. The reaction steps in the preparation method are reduced to a six-step reaction from a five-step reaction in the prior art, so that the generation of a side reaction is reduced, and the reaction efficiency is improved. The sodium thiophenolate is used for replacing thiophenol with foul smell and high toxicity, and harm to experimenters during the production is reduced.

The invention discloses a novel compound which can be utilized for fluorescence detection of thiophenol, particularly relates to preparation and application of a novel fluorescence probe, and belongs to the technical field of chemical analysis and detection. The novel fluorescence probe has a molecular structural formula shown in the description. The novel fluorescence probe is high in selectivity, anti-interference capability and sensitivity, can be utilized for the fluorescence detection of thiophenol in a biological or environmental sample, and has an excellent application prospect.

A golf ball including a core including a halogenated thiophenol and having a diameter of from about 1.3 inches to about 1.4 inches, a compression of about 44 or less; and a coefficient of restitution of from about 0.770 to about 0.810; a cast polyurethane or polyurea cover; and an intermediate layer disposed between the core and the cover, the intermediate layer having a thickness of from about 0.11 inches to about 0.12 inches and being formed from a composition including at least two ionomers; wherein a combination of the core and the intermediate layer results in a compression of from about 70 to about 100, and the golf ball has a coefficient of restitution of from about 0.805 to about 0.820 at about 125 ft/s and a compression of from about 75 to about 105.

The invention discloses a near-infrared fluorescent probe for detecting thiophenol and a synthesis method and application thereof, and belongs to the technical field of chemical analysis and detection. The near-infrared fluorescent probe is obtained by reaction between a dicyano-substituted isophorone large pi system and 2,4-dinitrofluorobenzene, and has the following structure (being defined as in the specification). Fluorophore of the probe is the dicyano-substituted isophorone large pi system, and a response group to thiophenol is 2,4-dinitrophenoxy. Molecules of the probe have high selectivity and sensitivity to thiophenol, the detection range is 0.5-10 [mu]mol.L<-1>, and the limit of detection is 23 nmol.L<-1>. The probe can be used for detecting thiophenol in water bodies, soil and cells.

A process for preparing substituted benzenethiol includes such steps as reaction between substituted halobenzene and thiohydrogenating reagent in non-protonic polar solvent while stirring, acidifying to pH=1-6, and distilling.

The invention discloses a high-elasticity abrasion-resisting rubber material and a preparation method thereof. The high-elasticity abrasion-resisting rubber material comprises, by weight, 97-103 parts of natural rubber, 5-8 parts of methyl phenyl vinyl silicone rubber, 10-13 parts of chloroprene rubber, 23-26 parts of modified graphite, 18-22 parts of diatomite, 15-18 parts of talcum powder, 12-15 parts of dolomite powder, 8-11 parts of calcium silicate, 2.4-2.8 parts of silane coupling agent A-172, 12-16 parts of polyarmide fiber, 4.3-6.5 parts of sulfur, 1.3-1.9 parts of accelerant DM, 2.2-2.6 parts of 4,4'-dithio diphenyl maleimide, 3-6 parts of ditolyl thiophenol, 8-12 parts of trioctyl trimellitate, 1.2-2.3 parts of anti-aging agent SP, 1.8-2.5 parts of anti-aging agent 800-A and 7-11 parts of phenyl petroleum sulfonate.

The invention discloses a preparation method of a heat-resistant oxygen-resistant polyester film. The preparation method is characterized by including the steps of preparation of hydroxy thiophenol containing compounds, preparation of sulfur-containing hindered phenol antioxidants, polyester synthesis and film processing. The preparation method includes: using 4-hydroxy benzyl thiophenol sodium, 1, 3, 5-trichlorobenzene, 1, 3, 5-tribromobenzene and 2, 4, 6-tri(4-hydroxy benzyl thiophenyl)-1, 3, 5-triazine to synthesize the hydroxy thiophenol containing compounds, namely, 1, 3, 5-tri(4-hydroxy benzyl thiophenyl) benzene and 2, 4, 6-tri(4-hydroxy benzyl thiophenyl)-1, 3, 5-triazine in N, N-dimethyl formamide solvent; synthesizing the 1, 3, 5-tri(4-hydroxy benzyl thiophenyl) benzene, the 2, 4, 6-tri(4-hydroxy benzyl thiophenyl)-1, 3, 5-triazine and 3, 5-di-tert-butyl-4-hydroxy phenylacrylic acid methyl ester to prepare the type A reactive sulfur-containing hindered phenol antioxidant and the type B reactive sulfur-containing hindered phenol antioxidant; and synthesizing the type A reactive sulfur-containing hindered phenol antioxidant, the type B reactive sulfur-containing hindered phenol antioxidant, terephthalic acid and ethylene glycol to prepare heat-resistant oxygen-resistant polyester resin, so that the heat-resistant oxygen-resistant polyester film good in performance is prepared.

The invention provides a nanometer gold catalyst based on high-stability polymer, a preparation method thereof and the application thereof. The nanometer gold catalyst based on high-stability polymer, the grain size of the nanometer gold of which is 1.0nm to 5.0nm and the macromolecular protective agent of which is poly-o-amino-thiophenol, is prepared by the method as follows: o-amino-thiophenol is dissolved in a 1.0mol/L hydrochloric acid water solution, the concentration of the o-amino-thiophenol is controlled to be 0.02-0.08mol/L; after being fully stirred, the obtained solution is added with a chloroauric acid water solution at one time, and the mole ratio of the o-amino-thiophenol and the chloroauric acid is controlled to be 1:1-8:1; and then the obtained solution is fully stirred for half a minute and reacts for 12h under the temperature between 0 DEG C to 30 DEG C to obtain the stable nanometer gold catalyst of poly-o-amino-thiophenol. The nanometer gold catalyst based on high-stability polymer has the advantages that the preparation of the nanometer gold catalyst is simple and convenient to be carried out, and the obtained nanometer gold catalyst is high in stability and good in reproducibility and has good catalytic activity to the Suzuki coupling reaction between aryl halide and aryl boronic acid.