47 results about "Iodide salt" patented technology

To provide methods for producing cyano derivatives of heterocyclic compounds with sulfur-containing substituents, which act as valuable synthetic intermediates in the production of heterocyclic compounds with sulfur-containing substituents having pest control activity.SOLUTION: The present invention provides a method for producing a cyano heterocyclic compound represented by formula (2) by reacting a heterocyclic compound represented by formula (1) with a cyanating agent (3) and an iodide salt (4). The inventive method enables the high-yield production of the cyano heterocyclic compound, which is the target product, while suppressing the formation of by-products.SELECTED DRAWING: None

This invention discloses a method for photo-promoted coupling of sulfonyl chlorides with olefins to prepare vinyl sulfone compounds. Using arylsulfonyl chloride as shown in formula (I) as a raw material, iodide salt, an olefin compound as shown in formula (II), a solvent, and a base are added to a reactor. The reaction is carried out under a nitrogen atmosphere and ultraviolet light irradiation to obtain a vinyl sulfone compound as shown in formula (III). The reaction equation is as follows: In formula (I), the Ar group is phenyl, substituted phenyl, or 3,5-dimethylisoxazole, and the substituent on the substituted phenyl group is fluorine, iodine, cyano, nitro, methyl, or trifluoromethyl. In formula (II), the hydrogen on the benzene ring is substituted or unsubstituted by substituent R2, where substituent R2 is fluorine or tert-butyl, and substituent R1 is hydrogen or phenyl. This invention uses inexpensive and readily available sulfonyl chlorides to efficiently promote the preparation of vinyl sulfone compounds from arylsulfonyl chlorides and olefin compounds. It uses light irradiation instead of traditional heating reactions, does not require the addition of precious metal catalysts, and has low reaction cost and high safety.

The invention relates to a process for preparing a block copolymer, the process comprising: a) adding at least one ethylenically unsaturated hydrophilic monomer and a composition Y to a reactor for polymerization; b) adding at least one ethylenically unsaturated hydrophobic monomer to the reactor for polymerization after the polymerization of step a) to obtain an amphiphilic diblock copolymer; c) adding at least one ethylenically unsaturated hydrophobic monomer to the reactor for polymerization after the polymerization of step b); wherein the composition Y contains: A) at least one halogen molecule or halogenated hydrocarbon optionally substituted by cyano, B) at least one iodide salt, and C) at least one free radical polymerization initiator, wherein the equivalent ratio of the at least one ethylenically unsaturated hydrophobic monomer in step b) to the polymer formed from the at least one ethylenically unsaturated hydrophilic monomer in step a) is in the range of 5 to 60.

A flow containing iodine (I2) vapor and at least one of an inert gas and water vapor. One method for recovering iodine (I2) is to bring the flow into contact with an alkaline solution to form an iodide salt. To achieve, to bring the flow into contact with the adsorbent and selectively adsorb water from the flow, to concentrate the flow By contacting it with an acid, water vapor is absorbed from the flow, or iodine (I2) vapor is back sublimated or Condensing to form solid or liquid iodine (I2), or bringing the flow into contact with the material Furthermore, among the absorption of latent heat and sensible heat by a material through its phase change, When performing at least one of the following, iodine (I2) vapor is condensed or backsublimated from the flow. It can include the following:

Methods of recovering iodine (I2) from a stream including iodine (I2) vapor and at least one of: an inert gas and water vapor can include contacting the stream with an alkaline solution to form an iodide salt, contacting the stream with an adsorbent to selectively adsorb water from the stream, contacting the stream with a concentrated acid to absorb the water vapor from the stream, desublimating or condensing the iodine (I2) vapor to form solid or liquid iodine (I2), or contacting the stream with a material to condense or de-sublimate the iodine (I2) vapor from the stream as the material at least one of: absorbs latent heat through a phase change of the material and absorbs sensible heat.

The present invention primarily relates to a method for producing a compound of formula (I) and / or a physiologically acceptable salt thereof from vanillylmandelic acid and / or a physiologically acceptable salt thereof. The present invention further relates to the simultaneous use of one or more iodide salt(s) or hydrate(s) thereof, one or more reducing agent(s), one or more inorganic and / or organic acid(s) other than phosphonic acid, and methanol and / or a physiologically acceptable salt thereof or an alcohol of formula (II) as defined herein and / or a physiologically acceptable salt thereof for converting vanillylmandelic acid and / or a physiologically acceptable salt thereof into a compound of formula (I) and / or a physiologically acceptable salt thereof or into a compound of formula (III) as defined herein and / or a physiologically acceptable salt thereof.

Novel crystalline forms of halide salts of 2,3-dimethyl-1,4-benzoquinone-5-decyl- triphenylphosphonium, such as the bromide, chloride, and iodide salts, are provided. Also provided are industrially feasible methods for manufacture of the crystalline forms with high purity.

This method for operating an electrodialysis device includes a step for electrodialyzing an iodide-containing solution which contains an iodide salt and a solvent with use of an electrodialysis device. The electrodialysis device includes an anion exchange membrane that has a monovalent ion permselective layer, in which a minimum appears in a secondary differential value curve that is obtained by acquiring, in accordance with a DC resistance measurement method, an IV curve that shows the relationship between the DC current and the voltage and secondarily differentiating the IV curve. In the step for electrodialysis, the current density (A / dm2) is set to a1 / d or more, where d is the effective area (dm2) of the anion exchange membrane and a1 is the value of the DC current (A) corresponding to the minimum appeared in the secondary differential value curve.

A composition comprising: lactoperoxidase, an iodide salt, and a pharmaceutically acceptable carrier and / or excipient is provided, for use in the treatment or prevention of equine gastric ulcer syndro

The present invention discloses an organic ammonium iodide-based electrolyte and its preparation method and application. The organic ammonium iodide-based electrolyte is composed of a metal iodide salt, an organic ammonium iodide, and an organic solvent. The organic ammonium iodide-based electrolyte of the present invention has stable properties and is easy to prepare. When applied to secondary batteries, it significantly improves the electrochemical performance. At a current density of 0.02 mA cm ‑2 , the symmetric battery formed by it can stably cycle for more than 400 h, greatly reducing the overpotential, and has broad application prospects in the field of secondary batteries.

This invention discloses a method for preparing pentafluorocarbonyl oxomethyl carboxylate. Specifically, this invention discloses a method for preparing a compound as shown in formula (I), comprising the following steps: Step S1: In a solvent, under the action of an organic base, compound 1 and compound 2 undergo a substitution reaction as shown below to prepare compound 3; Step S2: In a solvent, in the presence of a base and an iodide salt, compound 3 and compound 4 undergo a condensation reaction as shown below to prepare the compound as shown in formula (I).

Compositions comprising lactoperoxidase and one or more iodide salts for treating equine gastric ulcer syndrome.

A composition comprising: lactoperoxidase, an iodide salt, and a pharmaceutically acceptable carrier and / or excipient is provided, for use in the treatment or prevention of equine gastric ulcer syndro

[Problem] To provide a method with which an organic iodine compound, which is useful as a polymerization initiator or the like, can be produced in an efficient and industrially advantageous manner with good purity. [Solution] Provided is a method for producing an organic iodine compound represented by general formula (II) by reacting a tertiary halogeno compound represented by general formula (I) with an iodide salt in the presence of a Lewis acid. (In the formulae, X denotes a chlorine atom or a bromine atom, and R1 and R2 each independently denote an alkyl group having 1-6 carbon atoms or together denote an alkylene group having 2-6 carbon atoms. EWG denotes an electron-withdrawing group.)

Methods, systems, and apparatus for disrupting PFAS comprising adding sulfite to an aqueous solution containing PFAS and then irradiating the aqueous solution with light of 222 nm. The method may comprise adding a sufficient amount of a base to the aqueous solution to raise the pH of the aqueous solution comprising PFAS to about 10 or more. It may also comprise the addition of a halide salt (e.g., a bromide salt or iodised salt), and further the addition of a carbonate. By irradiating the aqueous solution in this manner, 90% or more, or 99% or more, of PFAS in the solution can be destroyed.

An antibacterial composition comprises: an antimicrobial agent comprising molecular iodine (I2); an iodide salt; a hydroxycarboxylic acid present in a concentration of at least 2% by weight, based on the total weight of the antibacterial composition; and a nonionic surfactant. The antibacterial composition does not contain any amount of anionic surfactant.

Compositions comprising lactoperoxidase and one or more iodide salts for treating equine gastric ulcer syndrome.

To provide a method for producing an organic iodine compound, by which the organic iodine compound useful as a polymerization initiator, a synthetic raw material for various chemicals, or the like, can industrially advantageously be produced in a good yield and in good purity.SOLUTION: The method for producing the organic iodine compound represented by general formula (IV) comprises reacting a polyhydric alcohol represented by general formula (I) with a halogenocarboxylic acid represented by general formula (II) in the presence of an acid to obtain an ester compound represented by general formula (III) and reacting the ester compound with an iodide salt in the presence of a Lewis acid. (In the formula, L represents an n-valent organic group having 2 to 20 carbon atoms, X represents a chloride atom or a bromide atom, and R1 and R2 each independently represent an alkyl group having 1 to 6 carbon atoms or together represent an alkylene group having 2 to 6 carbon atoms.). N represents an integer of 2 to 6. A represents a positive number of 0 or more and less than n, and b represents a positive number of more than 0 and n or less. Here, a + b = n. ) SELECTED DRAWING: None

The invention discloses a production process of a sodium hypochlorite disinfectant, which comprises the following steps: preparing and pretreating raw materials, electrolyzing to generate sodium hypochlorite, concentrating and purifying, stabilizing, filtering and filling, and detecting and recording quality, namely dissolving industrial salt with the purity of at least 99.5% in deionized water, and stirring and heating to promote dissolution; the method comprises the following steps: adding iodized salt into a sodium hypochlorite solution to obtain a uniform solution without iodized salt, concentrating the sodium hypochlorite solution through a multi-stage flash evaporation or vacuum concentration technology, selecting a proper stabilizer to be mixed with the sodium hypochlorite solution, adding a catalyst, and filtering the stabilized sodium hypochlorite solution by using a high-precision filter. By optimizing the raw material preparation and pretreatment steps, the purity and uniformity of the raw materials are improved; by controlling electrolysis conditions, the stability and efficiency of the electrolysis process are ensured; the purity and the stability of the product are improved through the steps of concentration and purification; and through stabilizing treatment, the stability of the sodium hypochlorite is further enhanced.

Methods of recovering iodine (I2) from a stream including iodine (I2) vapor and at least one of: an inert gas and water vapor can include contacting the stream with an alkaline solution to form an iodide salt, contacting the stream with an adsorbent to selectively adsorb water from the stream, contacting the stream with a concentrated acid to absorb the water vapor from the stream, desublimating or condensing the iodine (I2) vapor to form solid or liquid iodine (I2), or contacting the stream with a material to condense or de-sublimate the iodine (I2) vapor from the stream as the material at least one of: absorbs latent heat through a phase change of the material and absorbs sensible heat.

Flow energy storage device (1) comprising: - a feed container (2) containing uncharged electrolyte slurry (30) ; - a capacitor flow cell (5) having a first half-cell (6), a second half-cell (7) and a porous separator membrane (8) interposed between, wherein the half-cells (6,7) are each connected to the feed container (2) and supplied with the same electrolyte slurry (30), wherein - the first half-cell is configured to be electrically coupled with a first positive current collector (9), and - the second half-cell is configured to be electrically coupled with a second negative current collector (11); - said electrolyte slurry comprises activated porous carbon particles (31) and one electrolyte salt comprising redox-active iodide salt; - whereby in a charged state in the first half-cell a first negative slurry electrode (10) with charged negative electrode particles (32) comprising iodine (34), and in the second half-cell a second positive slurry electrode (12) with charged positive electrode particles (33) are formed.

The invention provides for compositions comprising lactoperoxidase and one or more iodide salts for treating watery mouth disease in Lambs; wherein the composition doesn’t comprise a peroxide or a sou

The method comprises the following steps: adding a quinoxaline ketone compound as shown in a formula (I), a difluoromethyl triphenyl phosphonium iodide salt compound as shown in a formula (II) and alkali into a reaction solvent, carrying out stirring reaction under the conditions of nitrogen protection and blue light illumination, and after the reaction is finished, carrying out filtering, washing and drying to obtain the difluoroquinoxaline ketone derivative. The reaction equation is as follows: # imgabs0 #, the substituent R1 is selected from H or methyl, the substituent R2 is selected from H, methyl or methoxyl, the substituent R3 is selected from H, methyl, ester group, alkynyl, phenyl, naphthyl or substituted phenyl, the substituent R2 is selected from H, methyl or methoxyl, and the substituent R3 is selected from H, methyl, ester group, alkynyl, phenyl, naphthyl or substituted phenyl. The substituent group of the substituted phenyl is methyl or halogen, and n is 0, 1 or 2. The preparation method of the difluoromethylated quinoxalinone derivative has the advantages of simple operation process, cheap and easily available raw materials, mild reaction conditions, greenness and environmental protection, and the difluoromethylated quinoxalinone derivative has antifungal activity.

The invention discloses an N-heterocyclic carbene metal complex and a preparation method thereof, a preparation method of NHC-M / BN.The preparation method of the N-heterocyclic carbene metal complex comprises the steps that 1, 3-dimethylimidazole iodized salt, silver oxide and silver carbonate are weighed and dissolved in acetonitrile, a reflux heating reaction is carried out, after the reaction is completed, filtering is carried out, solids are removed, the solution is subpackaged in small bottles, and the N-heterocyclic carbene metal complex is obtained. The method comprises the following steps: mixing acetonitrile and acetone, sealing and pricking, sealing in a container filled with acetone, standing, mutually diffusing acetonitrile and acetone, obtaining an N-heterocyclic carbene silver complex crystal after 3-5 days, and drying to obtain a product. The hexagonal boron nitride is subjected to surface modification by adopting an N-heterocyclic carbene metal complex, a novel composite nano heat-conducting filler is developed and serves as an auxiliary component of an electronic cooling liquid formula, and the problems that the electronic cooling liquid taking the hexagonal boron nitride as a heat-conducting additive is poor in compatibility and stability and the like are solved; a novel formula with better performance and environment friendliness is provided for the field of electronic coolants.

The reverse iodine transfer polymerization of an ethylenically unsaturated monomer comprising (meth)acrylic acid, a salt thereof, or a combination thereof, in the presence of a radical polymerization initiator, an oxidant, an iodide salt, and a solvent, is a useful method for manufacturing (meth)acrylic acid polymers. The amounts of components used can range from 5 to 500 equivalents of the ethylenically unsaturated monomer comprising (meth)acrylic acid, a salt thereof, or a combination thereof, in the presence of 1 to 3 equivalents of the radical polymerization initiator, 0.2 to 1 equivalent of the oxidant, and 1 equivalent of the iodide salt. (Meth)acrylic acid polymer solutions are prepared by these methods. (Meth)acrylic polymers are useful as dispersants.

This method for operating an electrodialysis device comprises a step for electrodialyzing an iodide-containing solution containing an iodide salt and a solvent using an electrodialysis device provided with an anion exchange membrane having a monovalent ion permselective layer. In the anion exchange membrane electrodialysis step, a current-voltage curve indicating the relationship between a direct current and a voltage is obtained by a direct current resistance measurement method, and a minimum value appears in a quadratic differential value curve obtained by performing quadratic differentiation on the current-voltage curve. The current density (A / dm2) is set to a1 / d or more, where d is the effective area (dm2) of the anion exchange membrane and a1 is the value of the direct current (A) corresponding to the minimum value appearing in the quadratic differential value curve.

The application relates to the technical field of medical devices, in particular to a bionic liver ablation training phantom, wherein a bionic liver tissue base material adopts a double-network hydrogel system formed by polyvinyl alcohol and acrylamide, the conductivity and the sound velocity are adjusted by adding iodized salt, and the acoustic impedance and the sound attenuation coefficient are adjusted by adding barium sulfate powder; the bionic tumor lesion contains a heat-sensitive developing system and an ultrasonic imaging regulator, so that the bionic tumor lesion presents different echo characteristics from normal liver tissue under ultrasonic waves and can permanently change color after ablation to directly show the heat field range; and the bionic blood vessel structure is made of a three-dimensional printing TPU hose. The phantom is stable in physical and chemical properties, can be stored for a long time and used for multiple times, the raw materials are common chemical materials, the cost is low, the preparation process is simple, and the phantom is suitable for large-scale production.

The invention relates to the technical field of sodium-ion batteries, in particular to a preparation method of an epoxy resin-based hard carbon material based on assistance of iodized metal salt and application of the epoxy resin-based hard carbon material as a sodium-ion battery negative electrode material. The hard carbon material with excellent electrochemical performance is prepared by uniformly mixing the iodized metal salt and the epoxy resin and carrying out the steps of pre-sintering, high-temperature pyrolysis and the like. By utilizing the unique pyrolysis property of iodized metal salt, the surface defect construction and internal pore structure regulation and control of the epoxy resin-based hard carbon are synchronously realized in the heating process: the iodized metal salt is easily combined with oxygen-containing gas generated by pyrolysis of epoxy resin to generate metal oxide and iodine simple substance, and the characteristic that iodine is easy to sublimate is combined; the iodine vapor continuously volatilizes to etch the carbon surface so as to increase sodium ion adsorption active sites, and meanwhile, the metal oxide effectively regulates and controls the internal pore structure of the hard carbon through a carbon thermal reduction reaction at a high temperature. The hard carbon material is used as a sodium ion battery negative electrode material, and shows high specific capacity, excellent rate capability and long cycle stability.

The invention discloses compositions and combinations comprising lactoperoxidase and an iodide salt for use in the treatment or prevention of equine gastric ulcer syndrome, as well as a feed additive composition or dietary supplement composition comprising lactoperoxidase and an iodide salt, wherein the composition does not comprise a peroxide or a source of peroxide nor thiocyanate, or a source of thiocyanate, and wherein the lactoperoxidase is present in an amount of at least 40 mg, and wherein the iodide salt is present in an amount of at least 0.24 mmol.

[Problem] To provide a method by which an organic iodine compound that is useful as, for example, a polymerization initiator and a raw material for synthesizing various chemicals can be industrially advantageously produced with good yield and good purity. [Solution] A method for producing an organic iodine compound represented by general formula (IV), the method comprising reacting a polyhydric alcohol represented by general formula (I) with a halogenocarboxylic acid represented by general formula (II) in the presence of an acid to obtain an ester compound represented by general formula (III), and reacting the ester compound with an iodide salt in the presence of a Lewis acid. (In the formulae, L represents a C2-C20 n-valent organic group, X represents a chlorine atom or a bromine atom, and R1 and R2 each independently represent a C1-C6 alkyl group or in combination represent a C2-C6 alkylene group; n is an integer of 2-6; and a is a positive number of 0 or greater but less than n, and b is a positive number greater than 0 but not greater than n, with the proviso that a+b=n.)