703 results about "Sulfuryl" patented technology

The invention relates to an organic optoelectronic material, a preparation method of the organic optoelectronic material and an organic light emitting diode containing the organic material. The material is shown in the formula I, wherein R1 and R2 are respectively and independently hydrogen, halogen, cyanogroup, nitryl, isothiocyano, sulfonyl, sulfuryl, acylamino, alkyl of which the carbon atom number is 1 to 10 or alkoxy of which the carbon atom number is 1 to 12; A1 and A2 are respectively and independently phenyl, polycyclic conjugate aryl of which the carbon atom number is 10 to 60 or aromatic heterocyclic group containing at least one of N, S and O; two phenyls having groups R1 and R2 and two para-positions relative to the groups R1 and R2 are connected by directly bonding or connected through X; A1 is connected with A2 by directly bonding or through Y; X and Y are respectively and independently sulphur, oxygen, alkylene of which the carbon atom number is 1 to 6 or alkenyl of which the carbon atom number is 2 to 6; Ar1 and Ar2 are respectively and independently phenyl, cyanophenyl, alkyl benzene, polycyclic conjugate aryl of which the carbon atom number is 10 to 60 or aromatic heterocyclic group containing at least one of N, S and O.

Protide compounds of formula (I)

wherein X represents H, F, N₃, NH₂, —CN, or —OMe; X¹ represents O or NR⁷; X² represents O, NH, NR⁶ or S, or when X³ is O then X² is absent; X³ is absent, or when X¹ is O then X³ represents O; R¹ represents hydrogen; optionally substituted C_1-6alkyl; optionally substituted aryl; or optionally substituted heteroaryl; R² represents hydroxy, OCOR⁶, or OCO₂R⁶; R³ represents H, optionally substituted C_1-6alkyl, optionally substituted aryl, optionally substituted heteroaryl or optionally substituted heterocyclyl; R⁴ and R⁵ are independently selected from hydrogen, optionally substituted C_1-6alkyl, optionally substituted aryl, or optionally substituted aralkyl; R⁶ represents optionally substituted C_1-6alkyl or optionally substituted aryl; R⁷ represents H, optionally substituted C_1-6alkyl, or optionally substituted aryl, wherein when R⁴ and R⁷ are each alkyl they may be linked to form a 5- or 6-membered ring;

B represents (a), (b), (c), or (d)

wherein Z represents O or S; R⁸ represents H, halo, C_2-4alkynyl, trifluoromethyl, C_1-3alkoxy, hydroxy, methylthio, amino, nitro, or C_1-3alkyl wherein the C_1-3alkyl may be optionally substituted by hydroxy, halo, amino, or OR¹⁰ wherein R¹⁰ represents C_1-6alkyl optionally substituted by aryl which may itself be optionally substituted; and R⁹ represents H, halo, hydroxy, OR⁶, SR⁶ or NR³R³;

are useful in the treatment of viral infection, particularly HCV infection.

Disclosed is a method for producing “a salt or a complex comprising imide and an organic base”, characterized by reacting halogenated sulfuryl or halogenated phosphoryl with ammonia in the presence of an organic base. According to this method, a target imide compound can be produced in a high yield while significantly suppressing the production of by-products. Further, by reacting the obtained imide compound with an alkali metal hydroxide or an alkaline earth metal hydroxide, an imide metal salt can be easily derived.

The organic electroluminescent compounds according to the present invention are represented by Chemical Formula (1):

The invention relates to a flame retardant yarn comprising aromatic polymer fiber containing sulfuryl, a fabric and garment made of the same and a preparation method thereof. The yarn comprises a high temperature resistant inherent flame retardant fiber (A), conventional fire-retardant fiber (B) and flame retardant cellulose fiber (C). The conventional fire-retardant fiber (B) can be one of flame retardant nylon, flame retardant polyester and flame retardant acrylic selectively. The yarn is mainly applied to preparation of the protective camouflage fabric and garment with permanent flame retardance, wear resistance and good comfortable performance.

The related new compound for an organic electroluminescent device with super performancehas structural formula as follow; wherein, n is integer within 1-4, Ar and Ar' are selected independently from H atom, substituted or unsubstituted aromatic base, or hetero-ring/ fused-ring /condensed-hetero-ring aromatic base, but not H atoms at one time; R1 and R2 are from halogen atom, substituted or unsubstituted alkyl/alkoxy/aminoalkyl/sulfuralkyl/aromatic/hetero- ring aromatic. This invention has well feature and wide application.

There is disclosed herein a solution for removing a sulphur compound or carbon dioxide from a fluid and methods for its use, said solution comprising sulphuric acid, a metal at between about 0.05 to 10 percent by weight, an amine at between about 10 to 80 percent by volume and water. In one aspect, the sulphuric acid is in the form of a chelating agent and in another it is in the form of a derivative of a sulphur-based acidic compound. The sulphur compound may be hydrogen sulphide, carbonyl sulphide or a mercaptan. In one aspect, the method is practiced at temperatures significantly below zero. In another aspect, this invention is an acid/amine solution comprising sulphuric acid, sulphuric acid in the form of a chelating agent, or a.-derivative of a sulphur-based acidic compound and monoethanolamine. This solution may be used as a source of monoethanolamine.

The invention provides a composition comprising an ethylene/α-olefin/non-conjugated diene interpolymer, which has the following properties: an M_z(abs)/M_z(Conv) value greater than 1.35; an M_z(BB)/M_w(abs) value greater than 1.6; and a non-conjugated diene content less than 10 weight percent, based on the total weight of the interpolymer. The invention also provides a process for forming a crosslinked composition, said process comprising: (a) forming a polymeric admixture comprising at least the following: (A) an ethylene/α-olefin/non-conjugated diene copolymer rubber (B) which has the following properties: an M_z(abs)/M_z(Conv) value less than 1.3; an M_z(BB)/M_w(abs) value greater than 1.6, but less than 2.5; and an M_w(abs) value less than 350,000 g/mole; and (B) a coupling amount of (i) at least one poly(sulfonyl azide) or (ii) at least one peroxide; and (b) heating the resulting admixture to a temperature at least the decomposition temperature of the crosslinking agent. The invention also provides a process for forming a shaped article, said process comprising: (a) forming a polymeric admixture comprise of at least one ethylene/α-olefin/non-conjugated diene interpolymer, at least one sulfur-based curative or organic peroxide-based crosslinking agent, and, optionally, a process oil, carbon blacks, additional inorganic fillers, organic fillers, cure accelerators, and/or foaming agents; (b) shaping the resulting admixture; (c) heating the resulting admixture to a temperature at least the decomposition temperature of the sulfur-based cure agent or the peroxide crosslinking agent.

The invention discloses a thermal activation delay fluorescence (TADF) conjugated polymer light-emitting material containing sulfuryl groups in side chains and a preparation method and application thereof. The material is mainly characterized in that side chains of the polymer have sulfuryl groups. The preparation method mainly comprises the following steps of: synthesizing a TADF unit with the sulfuryl groups, and performing Suzuki coupling polymerization reaction, thereby synthesizing a TADF conjugated polymer. TADF emission of the polymer can be achieved by adjusting the content of the TADF unit containing the sulfuryl groups in the polymer and the mole ratio of conjugation units. The synthesized TADF conjugated polymer containing the sulfuryl groups in the side chains are relatively large in molecule amount and good in solubility, and thus a type of efficient TADF polymer light-emitting material of a novel structure can be prepared.

The invention relates to a method for visible light catalytic synthesis of a 3-sulfuryl spiro-trienone compound. The method comprises dissolving N-aryl propiolamide and sulfinic acid as raw materials in an acetonitrile/water mixed solvent, adding water soluble eosin as a photocatalyst into the solution, carrying out irradiation on the mixed solution under a 3W blue LED visible light lamp for a reaction at the room temperature for 6-24h, and after the reaction, separating and purifying the crude product to obtain the 3-sulfuryl spiro-trienone compound. The method utilizes a visible light energy source, a simple and easy available sulfinic acid as a sulfone source, cheap water soluble eosin as a photocatalyst and air as an oxidant, realizes synthesis of the 3-sulfuryl spiro-trienone compound at the room temperature, greatly reduces the energy consumption, effectively prevents the use of metal catalysts and peroxide oxidants and has good reaction safety.

The invention provides a synthetic method for sulforaphane and belongs to the field of drug synthesis. The method comprises the following steps that: after amino in 4-amino-1-butanol is protected by Boc groups, hydroxy in 4-amino-1-butanol is changed into methanesulfonyl ester by methanesulfonyl chloride, and then the resultant reacts with sodium methyl mercaptide to produce 4-methylthio butyl-1-tert-butoxycarbonylamide; Boc protective groups are removed under acidic condition to obtain 4-methylthio-1-butylamine; 4-methylthio-1-butylamine reacts with carbon disulfide for one hour in the presence of triethylamine and p-toluenesulfonyl chloride is added for treatment for half an hour to produce 4-methylthio butyl-1-isothiocyanate; and at last 4-methylthio butyl-1-isothiocyanate is oxidized by m-CPBA to produce sulforaphane. According to the invention, complex hydrazinolysis of phthalimide in aftertreatment is avoided and toxic thiophosgene is not needed in the preparation of isothiocyanate; overall yield of sulforaphane is 64%, substantially higher than the overall yield of 8% reported in literature; the whole preparation process is simple and time-saving and is suitable for large scale production.

The invention relates to a catalyst component applied to a vinyl polymerization reaction, a preparation method of the catalyst component and a catalyst thereof. The catalyst component comprises a magnesium-alcohol compound, a titanium compound, an alkoxy compound, an organic aluminum compound, a long-carbon-chain monoester compound and a sulfuryl-containing compound. The catalyst has proper activity and very high hydrogen regulation sensitivity; and the piling density of obtained polymer powder is high, and the molecular weight distribution is wide.

A copolymer having a block (A′) composed of a repeating unit represented by the formula (I-1), and/or a block (A) containing a repeating unit represented by the formula (I-1) and a repeating unit represented by the formula (II).

(wherein X¹, X² and X³ may be the same or mutually different and represent an oxygen atom, a sulfur atom or C(R⁷)═C(R⁸)—, and R¹, R², R², R⁴, R⁵, R⁶, R⁷ and R⁸ may be the same or mutually different and represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group, an arylalkyl group, an arylalkoxy group, an arylalkylthio group, an arylalkenyl group, an arylalkynyl group, a mono-valent heterocyclic group, a heterocyclic thio group, an amino group, a silyl group, an acyl group, an acyloxy group, an imine residue, an amide group, an acid imide group, a carboxyl group, a cyano group or a nitro group, and m and n may be the same or mutually different and represent 2 or 3. A plurality of R¹s may be the same or mutually different. A plurality of R²s may be the same or mutually different. A plurality of R⁵s may be the same or mutually different. A plurality of R⁶s may be the same or mutually different. A plurality of X¹s may be the same or mutually different. A plurality of X³s may be the same or mutually different.)

—(Ar¹)—  (II)

(wherein Ar¹ represents an arylene group.).

A method of inhibiting or reducing discoloration of a diorganopolysiloxane composition comprising the steps of mixing: said composition with the following components in any order: i) a source of ferrous ions; and ii) 0.0001-0.05 wt. % per total weight of the composition of a bis(2-pyridylthio-1-oxide) non-ferrous salt per total weight of the composition

The invention discloses a preparation method of an ion mineralization blocking agent for heavy metal contaminated soil remediation. The preparation method is characterized in that a crystal mixed compound agent having ultrahigh cation-exchange capacity, specific surface area and adsorption property is prepared by using phosphoric acid, calcium chloride, bentonite and biomass wastes as raw materials through high-temperature baking, the crystal mixed compound agent is compounded with a sulfenyl compound so as to realize the mineralization blocking of heavy metal ions in the soil through the deep synergistic effect of multiple mechanisms such as ion exchange, adsorption, complexation, precipitation and the like, and the purpose of the in-site remediation of heavy metal contaminated soil is achieved. The compound agent prepared by the method is high in active ingredients, wide in application range, small in using amount and low in cost, takes effect quickly and can be used for the efficient in-site remediation of farmlands and other industrial heavy metal contaminated soil.

The invention belongs to the technical field of gas pollutant treatment, in particular relates to an innocent treatment method for sulfuryl fluoride gas. The method comprises the following steps of: dividing a plasma reactor serving as a reactor into two stuffing cavities between two electrodes by gas distribution baffles at both ends and a porous baffle in the middle; and introducing sulfuryl fluorid-containing gas into the plasma reactor from a gas inlet, performing oxidization reaction and degradation reaction on the sulfuryl fluorid-containing gas and high-energy electrons and active particles which are generated by electric discharge and reacting with secondary stuffing in the plasma reactor and absorbing under the action of nonequilibrium plasma to generate non-toxic and innocent gas without greenhouse effect and discharging from a gas outlet. The method has the advantages that the sulfuryl fluoride is oxidized and degraded under the action of the nonequilibrium plasma by adopting a mode that the discharge plasma and the stuffing are in the same electric field simultaneously, and reacts with the stuffing loaded in the reactor simultaneously to be absorbed so as to promote the reaction to perform towards the innocent direction, and improve the desorption efficiency, and thus the utilization ratio of energy is improved.

The invention discloses a new preparation method of an insect repellent albendazole and provides a brand-new synthesis route of albendazole. The new preparation method adopting m-dichlorobenzene as the starting material is used for obtaining high-purity albendazole through nitration, amination, condensation, reduction and cyclization reaction; the new preparation method is characterized in that an unstable intermediate condensation compound 2-nitryl-4-propyl sulfenyl aniline in the existing industrial route is changed into 2-nitryl-5-propyl sulfenyl aniline with stable quality. The reducing process is changed into a clean and efficient reducing process by virtue of sodium sulfide. The synthesis process is simple and efficient, less in pollution, high in quality and suitable for industrial production.

The present invention provides a process for producing an optically active compound having a thio group at the 2-position important for manufacturing medicines. An optically active compound having a hydroxyl group at the 2-position is chlorinated with inversion of the configuration at the 2-position, and the resultant optically active compound having a chlorine atom at the 2-position is reacted with a metal thiolate to introduce a thio group with inversion of the configuration at the 2-position. This process is capable of minimizing racemization and producing an optically active compound having a thio group at the 2-position at low cost in high yield. When the optically active compound having a chlorine atom at the 2-position is reacted with the metal thiolate in coexistence with water in the reaction system, the optically active compound having a thio group at the 2-position with higher optical purity can be produced in higher yield. An optically active carboxylic acid having a thio group at the 2-position is crystallized in the presence of an aliphatic hydrocarbon solvent and/or a sulfur-containing solvent to effectively remove coexistent impurities such as an optical isomer and the like, thereby producing crystals of an optically active carboxylic acid having a thio group at the 2-position with higher purity.

The invention belongs to the field of drugs, and relates to an antineoplastic drug, particularly an indazole/azaindazole-based diarylcarbamide/thiocarbamide-structure antineoplastic drug. The structural general formulae of the indazole/azaindazole-based diarylcarbamide/thiocarbamide-structure antineoplastic drug are disclosed as Formula (Ia) and (Ib), wherein Z is an N or C atom; W is an atom or group, such as O, S, NH, NOH, NCH or the like; M is O, S, N, CH or the like; n is 1 or 2; and Y and R are respectively halogen atom, H, R1, CF3, OCF3, OH, OR2, OCOR3, NH2, NHR4, NR52, NHCOR6, carboxy group, ester group, cyano-group, sulfhydryl group, alkylthio group, sulfuryl group, sulfoxide group, sulfo-group, sulfonate group, sulfamide group, ketone group, aldehyde group, nitro-group or nitroso-group. The pharmacological experiment proves that the drug has favorable antineoplastic effect on human lung cancer, human kidney cancer, human colon cancer, human liver cancer, human stomach cancer and human breast cancer.

The invention relates to a synthetic method for 5-chloro-6-(2-iminopyrrolidinyl-1-yl)methyl-2,4-(1H,3H)pyrimidinedione hydrochloride. The synthetic method comprises the following steps: with S-methylisothiourea sulfate as a starting raw material, subjecting S-methylisothiourea sulfate and ethyl chloroacetoacetate to a cyclization reaction under an alkaline condition so as to obtain 6-(chloromethyl)-2-(methylthio)pyrimidine-4(3H)-one; carrying out a chlorination reaction on a pyrimidine ring so as to obtain 5-chloro-6-(chloromethyl)-2-(methylthio)pyrimidine-4(3H)-one; then carrying out a hydrolysis reaction under an acidic condition so as to obtain 5-chloro-6-(chloromethyl)pyrimidine-2,4-(1H,3H)-dione; and reacting 5-chloro-6-(chloromethyl)pyrimidine-2,4-(1H,3H)-dione with 2-iminopyrrolidinyl hydrochloride so as to obtain 5-chloro-6-(2-iminopyrrolidinyl-1-yl)methyl-2,4-(1H,3H)pyrimidinedione hydrochloride, i.e., a finished product of hydrochloride. The synthetic method has the advantages of simple operation, a stable intermediate, easy availability, high yield and easy realization of industrial production.

The field of advanced wastewater treatment, and more specifically, to a natural pyrrhotite biofilter and a method for utilizing same to synchronously remove nitrate-nitrogen and phosphorus from water is provided. The method includes the following steps: (1) preparation of the packing material and construction of the biofilter; (2) start-up of the biofilter; (3) operation of the biofilter. The method disclosed in the present invention on the one hand takes pyrrhotite as the electron donor to help sulfur-based autotrophic denitrifying bacteria reduce nitrates into nitrogen gas, and on the other hand utilizes pyrrhotite and its oxidates to eliminate phosphorus through adsorption and chemical precipitation. Therefore, this method realizes synchronous removal of nitrate-nitrogen and phosphorus in water.