Acyclic or carbocyclic compounds (C07C)

C   Chemistry; metallurgy(318327)
C07   Organic chemistry(61593)
C07C              Acyclic or carbocyclic compounds (macromolecular compounds c08; production of organic compounds by electrolysis or electrophoresis c25b0003000000, c25b0007000000)(28240)
C07C1 - Hydrocarbons(6888)
C07C233 - Carboxylic acid amides(695)
C07C267 - Carbodiimides(7)
C07C305 - Esters of sulfuric acids(63)
C07C317 - Sulfones; sulfoxides(270)
C07C327 - Thiocarboxylic acids(90)
C07C409 - Peroxy compounds(224)
ethod of producing pentafluoroiodoethane // 2642789
FIELD: chemistry.SUBSTANCE: invention relates to the method of producing pentafluoroiodoethane from perfluoro-propene, which includes the interaction of CF3CF=CF2 with the iodine source, such as iodine-halide I-I, I-Br, I-Cl in the presence of inorganic fluoride, or perfluoro-isopropyl-iodide, and sodium methylate in the polar aprotic solvent with the formation of 1,1,1,2,3,3-hexafluoro-2-iodine-3-methoxy-propane, its subsequent demethylation by boiling with pentachloride antimony with obtaining 2,3,3,3-tetrafluoro-2-iodopropionyl fluoride, and decarbonylation of the latter under the action of pentafluoride antimony on heating, which gives pentafluoroiodetane.EFFECT: use of available non-explosive raw materials.4 cl, 5 ex
Urea derivatives and their application as inhibitors of fatty acids connecting protein // 2642454
FIELD: pharmacology.SUBSTANCE: invention relates to a compound of formula , where R1 and R2 together with the carbon atom to which they are attached form C3-C10-cycloalkyl; R3 is H or C1-C12-alkyl; R4 is H; W is a bond; A is phenyl substituted by R8, R9 and R10; B is phenyl substituted by R11, R12 and R13; R8 R9 R10 are independently selected from H, halogen-C1-C12-alkyl, halogen; R11, R12 and R13 are independently selected from H, halogen; or pharmaceutically acceptable salts thereof. A pharmaceutical composition, application of a compound of formula (I) and a method for treatment and preventingon of type 2 diabetes, atherosclerosis, cancer, chronic renal failure and non-alcoholic steatohepatitis are also provided.EFFECT: formula compound inhibits the activity of FABP4 and FABP5 proteins and can be used to treat and prevent the aforementioned diseases.17 cl, 17 ex

Shell-and-tube heat exchangers in processes of hydrocarbon degradation c3-c5 (versions) // 2642440
FIELD: chemistry.SUBSTANCE: invention relates to the shell-and-tube countercurrent heat exchanger to heat the raw vapours in the processes of dehydrogenation of paraffin hydrocarbons C3-C5 by the heat of contact gas coming from the dehydrogenation reactor comprising a vertical cylindrical casing (1 ), a bundle of the heat exchanging tubes (2) with an upper (4) and a lower (3) tube gratings, a nozzle (5) and a distributing chamber (6) to input the contact gas in the upper part of the tube space (2) of the heat exchanger (11), a collecting chamber (7) and a nozzle (8) to output the chilled contact of gas from the lower part of the tube space, as well as nozzles (9) to input vapours of the raw material in the annular space of the heat exchanger (11), divided into sections by transverse horizontal partitions of the segment type (13), and to output (10) the heated vapours of raw materials from it. The heat exchanger is also characterized by the fact that the heat exchanger (11) contains connections (12) to supply a part of the feed raw material in a liquid form for the heat exchanger (11) into the intertube space of the bundle of the heat exchange tubes (2) and/or into the intertube space of the bundle of the heat exchange tubes (2) divided by sectors (17), which are limited to the upper (4) and lower (3) tube gratings and vertical channels (18) between the sectors (17). A version of a shell-and-tube heat exchanger for cooling the contact gas is also proposed.EFFECT: increase in capacity of dehydrogenation plants of hydrocarbons C3-C5 and reducing the costs in production.22 cl, 6 dwg, 8 ex, 2 tbl
Obtaining of ioforminol - radio-opaque agent // 2642436
FIELD: chemistry.SUBSTANCE: invention refers to a method of obtaining a compound (1) used as a contrast agent for carrying out radiological studies, from the compound (3). In the compound (3), each X individually represents hydrogen, a formyl group (-CO-H) or an acetyl group (-CO-CH3). The method includes a base-activated in situ hydrolysis of the protecting groups (-OX) of the compound (3), comprising the following successive steps: i) suspending the compound (3) in water; ii) adjusting the pH of the solution obtained in step i) to a value between 10.0 and 12.5.EFFECT: method makes it possible to shorten the reaction time and increase the yield of the compound.6 cl, 1 ex
Compositions, synthesis and methods for application of phenylcycloalkylmethylamine derivatives // 2642074
FIELD: pharmacology.SUBSTANCE: invention relates to new phenylcycloalkylmethylamine derivatives of structural formula (I), or enantiomers or optically active isomers, or pharmaceutically acceptable salts having affinity for the binding of dopamine (DAT), the carrier of norepinephrine (NET) and the serotonin transporter (SERT). The compounds may find use in treatment and/or prevention of obesity, as well as depression 1. In the structural formula (I) ,n is 1; SP is a spacer, wherein the said spacer is C4 alkylene; X is O or S; R1 and R2 are independently H, C1-6 alkyl, C1-6 alkoxy, halogen; R3 is C1-6 alkyl; R4 is H or C1-6 alkyl; R5 is C1-6 alkyl; and * represents a carbon atom that can be optically active.EFFECT: improved composition properties.12 cl, 1 tbl, 86 ex

Aqueous alkanolamine absorbing composition containing pyperazin for improved removal of hydrogen sulphide from gaseous mixtures, and method of its use // 2642071
FIELD: chemistry.SUBSTANCE: aqueous solution of alkanolamine to remove acid gases, including hydrogen sulfide from gaseous mixtures containing hydrogen sulfide, includes: (i) from 20 up to 50 weight percentage of 3-(dimethylamine)-1,2-propane diol or 3-(diethylamine)-1,2-propane diol, and (ii) from 2 to 10 weight percentage of piperazine. Weight percentage is taken based on the total weight of the aqueous solution of alkanolamine and wherein the said aqueous solution of alkanolamine does not contain orthophosphoric acid, phosphoric acid, hydrochloric acid, sulfuric acid, sulfurous acid, nitric acid, pyrophosphoric acid, tellurium acid, acetic acid, formic acid, adipic acid, benzoic acid, n-butane acid, monochloroacetic acid, citric acid, glutaric acid, lactic acid, malonic acid, oxalic acid, o-phthalic acid, succinic acid, o-toluic acid. A method for removing acid gases from a gas mixture is also disclosed.EFFECT: claimed aqueous amine solution provides removal of hydrogen sulfide and carbon dioxide at a lower consumption of the absorbent.6 cl, 1 tbl, 2 dwg

New ester compound of alicyclic dicarboxylic acid and method of its production // 2642069
FIELD: chemistry.SUBSTANCE: invention relates to a new ester compound of an alicyclic dicarboxylic acid represented by the formula (1), wherein each R independently represents an alkyl group having 1 to 4 carbon atoms. The invention also relates to a method of producing esters of alicyclic dicarboxylic acid, including stages of the interaction of 4-isopropenyl-1-methyl-1-cyclohexene represented by the following formula (3), with carbon monoxide in the presence of hydrogen fluoride with the formation of fluoride alicyclic dicarboxylic acid represented by the following formula (2); and the interaction of the obtained fluoride alicyclic dicarboxylic acid represented by the following formula (2), alcohol with the formation of ester compound of alicyclic dicarboxylic acid represented by the formula (1).EFFECT: resulting new ester compound can be used, for example, as a starting material for polyester resins.3 cl, 14 dwg, 3 ex
Hybrid terpenophenols with isobornyl and 1-phenylethyl or 1-phenylpropyl substituents and their application as agent, possessing anti-radical, antioxidant and membrane-protection activity // 2642062
FIELD: pharmacology.SUBSTANCE: invention relates to new hybrid terpenophenols with isobornyl and 1-phenylethyl or 1-phenylpropyl substituents of formula , (I) R=Me; R1, (II) R=H; R1, (III) R=Me; R1, (IV) R=Me; R2, (V) R=H; R2, (VI) R=H; R2, excluding (I-III), and also to the application of hybrid terpenophenols of formula (I-VI) as an agent, possessing antiradical, antioxidant and membrane-protection activity and low toxicity.EFFECT: increased efficiency of agents.2 cl, 5 tbl, 7 ex
Complex compaund of gold-chlorine hydrogen acid with l-lysin, having radiopaque properties, which may be used for diagnostics of early tumor masses, including diagnosis of marek's disease in birds // 2642059
FIELD: veterinary science.SUBSTANCE: invention relates to a complex compound of hydrochloric acid with L-lysine having radiopaque properties.EFFECT: complex compound can be used to diagnose early tumor mases, including to diagnostics of Marek's disease in birds.1 cl, 2 ex
3-aminocyclopentancarboxamide derivatives // 2641913
FIELD: chemistry.SUBSTANCE: invention relates to the individual compounds selected from the group: 4-(1,3-benzoxazole-2-yl)]-N-[(1R,3S)-3-(ethylcarbamate)cyclopentyl]-N-methylbenzamide, N-((1R,3S)-3-ethylcarbamoylcyclopentyl)-N-methyl-4-(1-methyl-1H-benzoimidazol-2-yl)-benzamide, 4-benzothiazol-2-yl-N-((1R,3S)-3-ethylcarbamoylcyclopentyl)-N-methylbenzamide, ((1R,3S)-3-ethylcarbamoylcyclopentyl)-methylamide4'-[(R)-(tetrahydrofuran-3-yl)oxy]-biphenyl-4-carbon acid, 4-benzoxazole-2-yl-N-((1R,3S)-3-isopropylcyclopentadienyl)-N-methylbenzamide, and other compounds that are specified in the claims. The invention also relates to medicinal means having an inhibiting activity against fatty acid synthase (FAS) containing therapeutically effective amount of the compound of the invention.EFFECT: new compounds are obtained that have an inhibiting activity against the synthesis of fatty acids.2 cl, 2 tbl, 12 ex

Urea solution concentration in method of urea synthesis // 2641911
FIELD: chemistry.SUBSTANCE: urea-containing solution (13) is produced in the section (10) of synthesis, the solution is purified in the section (14) of extraction, and an aqueous solution (15) containing mostly urea and water, which is produced from the above-mentioned section of the extraction is subjected to the concentration process. Herewith the concentration process includes a separation step through an elective membrane.EFFECT: improvement of the current urea production process.9 cl, 1 dwg

Protected recovered metal catalyst // 2641906
FIELD: chemistry.SUBSTANCE: in accordance with the present invention, a method of producing a protected recovered supported metal catalyst in the form of a granule or paste in which the said supported catalyst is in the form of a powder comprises contacting and mixing the said powder of the supported catalyst with a liquid in an inert atmosphere in such a manner that substantially all the surface of practically all the powder particles of the supported catalyst is coated with liquid. In this case, the amount of liquid corresponds to up to five times the amount of liquid required on the basis of the moisture capacity. The said liquid is selected from the group consisting of liquid C10-C13-aliphatic hydrocarbons subjected to hydrodesulfurization of heavy naphtha, white spiritates, tetralin, and combinations thereof.EFFECT: fluid used to protect a catalyst against oxidation can easily be removed by distillation, these fluids not only protect the catalyst powder against oxidation, but also inhibit the spontaneous ignition of the protected catalyst.12 cl, 4 dwg, 12 ex
Connection of spatially hindered phenol, its obtaining and its application as antioxidant // 2641904
FIELD: chemistry.SUBSTANCE: invention relates to a novel compound of the sterically hindered phenol of the formula (I) , wherein the groups R and R' are defined in the invention formula that is used as an antioxidant, a method for its preparation, its use as an antioxidant and a lubricating oil composition.EFFECT: expansion of the application field.20 cl, 18 tbl, 67 ex

New salicylic acid derivatives, their pharmaceutically acceptable salt, compositions and method for application // 2641903
FIELD: pharmacology.SUBSTANCE: invention relates to a number of other similar specific compounds, pharmaceutical compositions, comprising these compounds and their application to obtain a drug to inhibit the STAT3 and/or STAT5 activity or to treat cancer, where the cancer cells contain activated STAT3 or STAT5. , , , .EFFECT: preparation of a drug for STAT3 and STAT5 activity inhibition or for cancer treatment where the cancer cells contain activated STAT3 or STAT5.20 cl, 21 dwg, 6 tbl, 76 ex
ethod of producing beta-diketonate of palladium (ii) // 2641893
FIELD: chemistry.SUBSTANCE: method involves reacting beta-diketone with a solution of a palladium salt in an organic solvent, followed by the separation of the desired product from the solution. As the initial reactant, metallic palladium is used in the form of a powder, to the calculated amount of which nitric acid is added and mixed until the complete dissolution of palladium. Then the resulting palladium nitrate solution (II) is diluted with water to pH 2.0-3.0, and the solution of the corresponding beta-diketonea (HL) is added, dissolved in chloroform, followed by stirring the reaction mixture at room temperature for 20-30 minutes, separating the organic phase, and allocating the target product from the solution of chloroform by stripping the latter. As the beta-diketone, a compound of the general formula R'C(O)CH2C(O)R is used, where R' and R are alkyl or perfluoroalkyl.EFFECT: simplification of the method and reduction of its duration while maintaining a high yield of the target product.3 cl, 3 ex

ethod of producing choline hydroxide from trimethylamine and ethylenoxide // 2641815
FIELD: chemistry.SUBSTANCE: method includes feeding ethylene oxide, trimethylamine and water to the first reactor to produce the product of the first reactor under the controlled temperature conditions. The product of the first reactor is fed to the second reactor to produce the product of the second reactor under uncontrolled adiabatic conditions. All unreacted trimethylamine in the product of the second reactor is removed, resulting in a final product containing choline hydroxide.EFFECT: invention allows to minimize the production of by-products of monoethoxylated and diethoxylated choline in the product - choline hydroxide.23 cl, 3 dwg
Composition for coating containing layered silicate pigment, and method of creating transparent or translucent emissive coating // 2641757
FIELD: chemistry.SUBSTANCE: composition for an emissive coating in dispersion contains, g/l: a) 50-300 at least one of transparent or translucent organic polymer substances of a binder, selected from dispersions based on ethylene-acrylic copolymer or hydroxylate acrylic emulsions and dispersion based on ethylene-acrylic copolymer, b) 30-300 layered silicate pigments which have a coefficient of thermal radiation the at least equal to 0.40, and have a distribution of particle size d50 in the range of 0.3 to 80 microns, and which were pulverized and/or disintegrated, and/or exfoliated to thin particles. The method of applying transparent or translucent and colourless emissive coating is described, especially for cold roofs on a metal surface, in which the composition of the invention is applied on a metal surface, where it is dried, and where this dried coating has a coating weight in the range of 0.2 to 2000 g/m2. An emissive coating, a cold element like cool roofing elements and applying transparent or translucent and colourless emissive coatings on various substrates are also described.EFFECT: providing transparent or translucent emissive coatings with improved corrosion resistance and having a coefficient of heat radiation TE equal to 0,5 to 0,9, the full reflection of sunlight TSR is in the range of 0,6 to 0,8.29 cl, 7 tbl
ethod of associated and natural gases processing // 2641701
FIELD: oil and gas industry.SUBSTANCE: invention relates to the method of processing natural and associated petroleum hydrocarbon gases with increased content of heavy methane homologs to fuel gas by mixing hydrocarbon gas with oxygen or oxygen-containing gas in molar ratio carbon of heavy components: oxygen 10÷1:1 and direct partial oxidation of heavy components at 350-420°C and pressure of 10-40 bar to produce steam-gas mixture containing hydrocarbon gases, CO, oxygenates and H2O, which is then mixed with oxygen or oxygen-containing gas to oxygen content of 2-5 vol. % and further oxidized in the presence of oxidation catalysts at the temperature below 350°C.EFFECT: invention makes it possible to create simpler and accessible method of processing associated oil and natural gases with increased content of methane homologs with production of fuel gas with high fuel characteristics and increase its yield.2 ex
ethod for obtaining acetylene ketones // 2641697
FIELD: chemistry.SUBSTANCE: invention relates to the method for obtaining aromatic acetylene ketones of the general formula , wherein Ar is an aromatic radical, R is C3H7, i-C3H7, C15H31, which find a diverse application in the synthesis of various heterocyclic compounds. The method includes the interaction of tetra (phenylethynyl) tin with acid chloride of carboxylic acid in an ethereal solvent, wherein dioxane is used as the ethereal solvent, n-butanolate, 2-methylpropanoate or hexadecanolide are used as the acid chloride of carboxylic acids, the interaction is carried out in the presence of 10 mole % of zinc chloride relative to the acid chloride of carboxylic acid, used as catalyst, at a temperature of 50-60°C under stirring for 10-30 minutes in accordance with the scheme: .EFFECT: method allows to obtain target products using a simple technology.1 tbl, 7 ex

Removal of nitrogen-containing impurities from composition of alcohols // 2641695
FIELD: chemistry.SUBSTANCE: invention relates to a method of treating an alcohol composition comprising nitrogen-containing contaminants by reacting an alcohol composition in the vapour phase with an adsorbent in an adsorption zone and also to a method of producing olefins comprising reacting an alcohol composition comprising nitrogen-containing contaminants in the vapour phase with an adsorbent in an adsorption zone with producing a treated alcohol composition and reacting the treated alcohol composition with an alcohol dehydration catalyst in an alcohol dehydration zone under conditions effective for the dehydration of alcohol. In addition, the present invention relates to the use of aluminium silicate, aluminosilicate, or zeolite to remove nitrogen-containing contaminants from the alcohol composition.EFFECT: reducing the amount of nitrogen-containing contaminants, thereby ensuring the operability and necessary life of the catalyst for subsequent processing of the alcohol composition.23 cl, 12 dwg, 1 tbl, 5 ex
ethod of producing 2-undecyloxy-1-ethanol // 2641642
FIELD: chemistry.SUBSTANCE: invention relates to the method of producing 2-undecyloxy-1-ethanol (monogamol), which is pheromone of some insect species of the genus Monochamus (barble beetle) - pests of coniferous forests and commercial timber. The method is that ethylene glycol and reagent are mixed, the reaction mixture is cooled, extracted with ether, the extracts are dried over MgSO4, and the desired product is isolated. Herewith 50% aqueous solution of NaOH is used as a reagent, and mixing is carried out with ethylene glycol taken in excess, with a molar ratio of ethylene glycol: aqueous solution of NaOH - 10:0.5-1, respectively, the process is conducted in an inert gas atmosphere while stirring at a temperature of 100°C and duration of 0.5 h to obtain sodium alcoholate, and then Br-undecane is dropwise added, stirring at a temperature of 100°C for 6 h, 9 h, or 24 h, after cooling the reaction mixture is diluted with water and extracted with diethyl ether, the ether extract is washed with saturated NaCl, dried with MgSO4, and analyzed by GLC and NMR method, and the ratio of the desired product to unconverted Br-undecane is determined, the desired product is isolated by the column chromatography on SiO2.EFFECT: method allows to obtain the end product with a high output.2 cl, 1 tbl, 3 ex
ethod of producing triglycerides of medium-chain fatty acids // 2641307
FIELD: chemistry.SUBSTANCE: invention relates to the method of producing glycerol ethers (triglycerides) of medium-chain monocarboxylic fatty acids, which consists of the reaction of a free fatty acid precursor and glycerin in the presence of a catalyst under partial vacuum. The method of producing triglycerides of medium-chain fatty acid comprises the steps of: a) mixing glycerol with three molar equivalents or an excess of the said medium-chain fatty acids, each of the medium-chain fatty acids containing a chain of 6-12 carbon atoms; b) reacting the mixture of step (a) with a divalent or trivalent metal catalyst; and c) heating at a temperature of about 160 to about 180°C, under partial vacuum from 1 to 20 mm Hg, for a period of time sufficient to produce triglyceride.EFFECT: method provides the possibility of producing final triglycerides in high yield and high purity, the method provides the possibility of forming triglycerides without a solvent.23 cl, 5 ex, 1 tbl

ethod of producing methanol from carbon dioxide // 2641306
FIELD: oil and gas industry.SUBSTANCE: process comprises the following stages: feeding a first feed stream with high content of carbon dioxide to at least one methanisation stage and converting the first feed stream with hydrogen under methanisation conditions into high content methanisation stream, supply of high content methanisation stream to at least one production stage of synthesis gas and converting it together with a second feed stream with high content of hydrocarbons to a synthesis gas stream containing carbon oxides and hydrogen, under conditions of synthesis gas production, supply of synthesis gas stream to methanol synthesis stage integrated in synthesis cycle, and converting it into the stream of methanol-containing product under methanol synthesis conditions, separating methanol from the stream of methanol-containing product and optionally, purifying methanol up to the stream of the final product of methanol and isolation of purge stream containing carbon oxides and hydrogen from the methanol synthesis plant.EFFECT: invention makes it possible to dispose greenhouse gas with carbon dioxide to produce methanol using simple technology.15 cl, 4 dwg
Inhibitor of atp-dependent reverse cell transporters and method for its production // 2641304
FIELD: biotechnology.SUBSTANCE: invention relates to an inhibitor of ATP-dependent reverse cell transporters belonging to a group of chiral conjugates (optically active hybrid molecules) of an oligoether polyol nature, as well as to a method for its production. The inhibitor is a mixture of polyoxypropylenehexole of formula 4 , where n=2-6, and polyoxypropylene glycol of formula 5 , where m=5-9, and has a hydroxyl number of 215-240 mg KOH/g. Compound 4 has a molecular weight of 1000 to 1500 Da, compound 5 has a molecular weight of 300 to 500 Da, and the mole ratio of compounds 4 and 5 is 0.9-1.1. The method for inhibitor production is to prepare a mixture of sorbitol ((2S, 3R, 4R, 5R)-hexane-1,2,3,4,5,6-hexol) and bifunctional oxygenate compound H-R-H, where R=-O-; [-OCH2CH (CH3)]k-O-, and k=1-7, in the presence of an alkali or alkaline earth metal hydroxide, with further interaction of this mixture with propylene oxide, neutralisation of the product obtained with acid and subsequent purification of the product.EFFECT: increased yield.3 cl, 9 dwg, 4 tbl, 16 ex
ethod for obtaining dimethyldisulfone // 2641302
FIELD: chemistry.SUBSTANCE: electrolysis is carried out in aqueous solutions of dimethylsulfone in an alkaline medium in the anode compartment of the diaphragm electrolyser in the range of densities of the anode current of 0.1-0.3 A/cm2, then the solution of anolyte is cooled to T=5-8°C to the formation of crystals.EFFECT: absence of water-soluble by-products in the electrooxidation process of aqueous solutions of dimethylsulfone in an alkaline medium to produce dimethyldisulfone.2 dwg, 1 tbl, 5 ex
ethod for obtaining nanosized fisher-tropsh synthesis catalyst and method of fisher-tropsh synthesis with its application // 2641299
FIELD: chemistry.SUBSTANCE: method for obtaining a nanosized catalyst of the three-phase Fischer-Tropsch synthesis comprising catalytically active iron nanoparticles involves dissolving the precursors - iron and potassium salts, in water, introducing the resulting solution into molten paraffin at a rate of 20-60 ml/h, forming the catalyst in situ directly in the reaction zone during the heat treatment of the catalyst components in an inert gas stream at a temperature higher than the decomposition temperature of the catalyst precursors and cooling for 1-6 hours in an inert current gas. The heat treatment time is not more than 15 minutes. The ratio of the catalyst components is, wt %: Fe - 0.5-1.0, K - 0.01-0.02, paraffin - the rest. Three-phase Fischer-Tropsch synthesis method includes obtaining aliphatic hydrocarbons from carbon oxide and hydrogen in the three-phase flowing slurry-reactor at an elevated temperature and a pressure in the presence of nanosized catalyst with a particle size of 0.7 to 4 nm, obtained in this way, when the molar ratio of carbon monoxide and hydrogen of 1:(0.5-3), a temperature of 240-400°C, a pressure of 20-30 ATM with the load on gas from 2 to 20 nl/hCatc⋅.EFFECT: when using the proposed composition and method of preparing a Fe-containing catalyst, a sharp increase in its activity is observed, as a result of which high process values can be achieved in smaller reactors, lower iron and potassium content in the catalyst, and a reduction in the heat treatment time, preventing of coarsening and agglomeration of the catalyst particles, higher catalyst productivity, higher selectivity for the formation of hydrocarbons.2 cl, 4 dwg, 1 tbl, 4 ex
ethod for obtaining of sulfonimide compound and its salts // 2641294
FIELD: chemistry.SUBSTANCE: invention relates to a method for obtaining of a sulfonimide compound of the formula (Rf1-SO2)(Rf2-SO2)NH in an aqueous form, where Rf1 and Rf2 are independently selected from the group consisting of a fluorine atom and groups containing 1 to 4 carbon atoms selected from perfluoroalkyl, fluoroalkyl, from a mixture of M1 containing (Rf1-SO2)(Rf2-SO2)NH, Rf1SO2H and/or Rf2SO2H, Rf1SO2NH2 and/or Rf2SO2NH2. This method is characterized by comprising the step of M1 mixture oxidizing with an oxidizing agent to produce a M2 mixture containing (Rf1-SO2)(Rf2-SO2)NH, Rf1SO3H and/or Rf2SO3H and Rf1SO2NH2 and/or Rf2SO2NH2.EFFECT: increased yield.15 cl, 3 ex

ethod for preparing heat-resistant hydrophobic platinum catalyst for hydrogen oxidation reaction // 2641113
FIELD: chemistry.SUBSTANCE: invention relates to the method of preparing a heat-resistant hydrophobic platinum catalyst for the low-temperature hydrogen oxidation reaction, including the application of platinum at room temperature from the impregnation solution of hexachlor-platinum acid H2PtCl6⋅6H2O in the mixed solvent of acetone and mesityl oxide containing 10-90% of mesityl oxide, on the hydrophobic carrier granules γ-Al2O3, preliminary processed with the emulsion of dimethyl siloxane. After soaking in the impregnating solution, the carrier is dried and reduced with hydrogen. The pore size of the carrier granules is not less than 500 Ǻ.EFFECT: preservation of the hydrophobic properties and high catalytic activity of the catalyst at a temperature of not less than 573 K.2 cl, 3 dwg, 2 tbl, 3 ex

Acyl derivative of aminophenol as type a monoamine oxidase activator // 2641112
FIELD: pharmacology.SUBSTANCE: invention refers to the type a monoamine oxidase activator with reduced activity at pathologies, and may find applications in biochemistry when examining the properties of various monoamine oxidases and in medicine when examining development neurodegenerative diseases and cancer processes. The activator is a derivative of 2-aminophenol(N-acetylacetamido)phenyl acetate of the structural formula (a), which is reversible and has mixed nature interactions with the enzyme.EFFECT: improved properties of the derivative.3 dwg
1,1,1,2,3,3-hexafluoro-2-iodine-3-methoxypropane as semi-products for production of fluoride 2,3,3,3-tetrafluoro-2-iodpropionyl and method of producing latter // 2641110
FIELD: chemistry.SUBSTANCE: invention relates to a new connection -1,1,1,2,3,3-hexafluoro-2-iodine-3-methoxypropane, which is used as a semiproduct in the method of obtaining 2-iodine-perfluoro-propionyl-fluoride from perfluoro-propylene, which includes two stages: the interaction of perfluoro-propylene with a source of iodine, such as 2-iodine-perfluoro-propan (perfluoro-isopropylidene), elemental iodine, chloride iodine or bromide iodine and sodium metilatom, using a polar aprotic solvent with producing 1,1,1,2,3,3-hexafluoro-2-iodine-3-methoxypropane, the interaction of the resulting 1,1,1,2,3,3-hexafluoro-2-iodine-3-methoxypropane with pentachloride antimony by boiling with producing 2,3,3,3-tetrafluoro-2-iodine propionyl-fluoride emitting its distillation.EFFECT: use of available starting materials without the use of aggressive reagents and appropriate equipment, increasing the purity of the semiproduct, and the yield of the product of 2-iodine propionyl-fluoride.5 cl, 5 ex

ethod for dehydrating ethanol with production of ethylene with low energy consumption // 2641105
FIELD: chemistry.SUBSTANCE: method comprises: a) a step of heating the ethanol feedstock to a temperature in the range of 100 to 130 °C due to the heat exchange with the effluent leaving stage e); b) a step of pretreating the ethanol feedstock on a solid acid at a temperature in the range of 100 to 130 °C to obtain a pretreated ethanol feedstock; c) a step of evaporating the evaporable feedstock containing the pretreated ethanol feedstock and, at least, a portion of the wastewater stream recycled from step h) in the heat exchanger by the heat exchange with the effluent from the last reactor of step e), wherein the evaporated feed is fed to the evaporation stage at a pressure in the range of 0.1 to 1.4 MPa in order to produce a vaporized feedstock; d) a step of compressing the evaporated feedstock in the compressor in order to produce a compressed feedstock; e) a step of dehydrating the compressed feedstock in, at least, one adiabatic reactor that contains, at least, one dehydration catalyst and wherein the dehydration reaction takes place at an inlet temperature in the range of 350 to 550 °C and an inlet pressure in the range of 0.3 to 1.8 MPa; f) a step of separating the effluent from the last adiabatic reactor in step e) into an effluent stream comprising ethylene at a pressure of less than 1.6 MPa and an effluent containing water; g) a step of purifying, at least, a portion of the effluent stream containing water and produced at outlet f), separating, at least, one wastewater stream and, at least, one stream of unconverted ethanol; h) a step of recirculating, at least, a portion of the wastewater stream, produced at outlet g) to inlet c).EFFECT: use of the proposed method makes it possible to significantly reduce energy consumption in the production of ethylene.12 cl, 1 ex, 7 tbl, 1 dwg
New water-soluble salicylamide derivative with neuroprotective action in case of cerebral circulation insufficiency // 2641102
FIELD: pharmacology.SUBSTANCE: invention relates to the dipotassium salt of 4-[(4'-salicyloylamino)butanoylamino]butanoic acid, of the following formula .EFFECT: neuroprotective action.2 tbl, 4 ex
ethod for obtaining 2-ethylhexylnitrate // 2640953
FIELD: chemistry.SUBSTANCE: invention relates to the method for obtaining 2-ethylhexylnitrate (2-EHN) by the nitration of 2-ethylhexanol with a mixture of sulfuric and nitric acids, the separation of the acid product followed by washing. As a sulfuric-nitric acid mixture, a mixture of the composition is used, wt % HNO3 - 21-33%, H2SO4 - 55-63%, H2O - the rest to 100%, the nitration with a sulfuric-nitric acid mixture is carried out at a temperature of 15-25°C without the use of the stabilizing additives, washing is carried out once with 3-10% solution of NaOH at room temperature and the mass ratio of the product solution of 1:0.3 to 1:0.1, with subsequent destruction of the formed emulsion 2-EHN/water.EFFECT: method allows to carry out the nitration without any stabilizing additives, to reduce the consumption of reagents and the amount of wash water, and to increase the productivity.3 cl, 2 tbl, 1 ex
ethod for obtaining microcapsulated choline chloride from its water solution // 2640843
FIELD: agriculture.SUBSTANCE: after drying, powdered choline chloride is sent for encapsulation by applying a heated gelatine solution to its surface, the heating being carried out with the condensate of spent superheated atmospheric-pressure steam; the resulting capsules are sent to the cooler, from which they are withdrawn as a finished product; for obtaining cold and hot coolant streams, a steam-jet refrigerating machine is used, consisting of an ejector, a condenser represented by an atmospheric-pressure superheater, a heat exchanger-recuperator, a thermostatic valve, a steam generator, wherein the mixture of working steam and ejected vapours after the ejector is sent to the condenser for superheating the atmospheric-pressure steam, and the resulting condensate - into the second section of the air heater, which is then returned to the steam generator to form a recuperation circuit; spent atmospheric air after the heater is fed to the heat exchanger-recuperator for cooling and then divided into two streams, one of which is sent to the condenser to condense the spent superheated flashed steam followed by feeding into the two-sectional air heater, and the other - into the cooler to cool the capsules, and then - into the two-section air heater together with air; after the condenser, it is sent to the dryer with the formation of a closed loop.EFFECT: finished product positively influencing the rumen microflora during digestion in ruminant animals and having low hygroscopicity due to the use of a gelatine capsule, to obtain material flows with different thermal potential due to the use of a steam-jet refrigerating machine, to reduce specific energy costs due to the heat of spent coolants.1 dwg,1 tbl

Catalytic compositions for selective dimerization and polymerization of ethylene // 2640821
FIELD: chemistry.SUBSTANCE: invention relates to a catalyst composition for the polymerization of alkene, comprising: titanate of the formula Ti(OR)4, wherein all R are the same or different and each R is a hydrocarbon residue, wherein the hydrocarbon residue is an alkyl group or an aryl group; a modifier-catalyst on the basis of simple ether and iluminacin, iluminacin is methylaluminoxane modified methylaluminoxane or a combination thereof, and an additional organoaluminum compound, which is different from methylaluminoxane and modified methylaluminoxane, wherein the modified methylaluminoxane is a copolymer containing repeating units of MeAlO and repeating links R3AlO, where R3 denotes C2-12 of the hydrocarbon residue. The invention also relates to a method for synthesis of the said compounds.EFFECT: catalyst has improved viability and initiation time.14 cl, 3 ex, 3 tbl, 2 dwg

Catalytic compositions for selective dimerization of ethylene // 2640820
FIELD: chemistry.SUBSTANCE: invention relates to a catalyst composition for the dimerization of ethylene, comprising: titanate of the formula Ti(OR)4, where R is the same or different and each R is a hydrocarbon residue, where the hydrocarbon residue is an alkyl group or an aryl group; a catalytic additive, wherein the catalytic additive is a simple dibutyl ether, an aromatic ether of the formula R1OR2, where R1 and R2 are the same or different and each is a substituted or unsubstituted C6-15 aromatic group, or a combination thereof; a catalyst modifier, where the catalyst modifier is an amine catalyst modifier or an additional ether catalyst modifier, which differs from the dibutyl ether and aromatic ether, where the catalyst additive and the further catalyst modifier are present in a molar ratio of about 1:5 to about 5:1, and an organoaluminum compound. The invention also relates to a method of producing a catalyst composition, a method of producing an alpha-olefin, and a method of producing a product for further processing thereof.EFFECT: improved output and activation time.15 cl, 7 dwg, 5 tbl, 6 ex

Application of aromatic azomethines with higher alkyl substituents as means of bactericidal and fungicidal activity // 2640816
FIELD: pharmacology.SUBSTANCE: invention relates to application of aromatic azomethines (1-6) based on 4-((hexadecylimino)methyl)phenol (1), 4-bromo-2-((hexadecylimino)methyl)phenol(2), 4-((hexadecylimino)methyl)benzene-1,2-diol (3), N-(4-bromobenzylidene) hexadecane-1-amine (4), N-(4-chlorobenzylidene)hexadecane-1-amine (5) and N-(4-nitrobenzolidene)hexadecane-1-amine (6) of the general formula I R1=R2=R4=H, R3=OH (1), R1=OH, R2=R3=H, R4=Br (2), R1=R4=H, R2=R3=OH (3), R1=R2=R4=H, R3=Br (4), R1=R2=R4=H, R3=Cl (5), R1=R2=R4=H, R3=NO2 (6) as means having bactericidal and fungicidal activity. The invention can find application in veterinary medicine, medicine and agriculture.EFFECT: aromatic azomethines are highly effective against pathogenic microflora at low concentrations.5 dwg, 1 tbl, 7 ex
Lysine-glutamic acid dipeptide derivatives // 2640812
FIELD: pharmacology.SUBSTANCE: invention relates to compounds of formula I , as well as their enantiomers, diastereomers and salts, which can be used in the solid-phase synthesis of peptides. In formula I, R1 is C1-4-alkyl, R2 is hydrogen or C2-4-alkenyl, R3 is 9H-fluoren-9-ylmethoxycarbonyl (Fmoc) and R4 is C12-20-alkyl. The invention also relates to application of formula I compounds in the solid-phase synthesis of peptides that contain a block of glutamic acid (Glu)-fatty alkyl in the side chain attached to the lysine residue (Lys) of the peptide chain.EFFECT: effective treatment.9 cl, 5 ex
ethod for obtaining vinyl ethers of aminophenols // 2640808
FIELD: chemistry.SUBSTANCE: invention relates to an improved method for obtaining vinyl ethers of the aminophenols of the general formula (I). Connections are used as building blocks in organic synthesis and can be used as intermediates for obtaining biologically-active compounds, for example with antipyretic, analgesic, or antiviral action against herpes, or to obtain drugs for agriculture or as oxygenate antiknock additives to gasoline, or for obtaining ion exchange resins and semiconductors. Compounds of the general formula (I) , where R1, R2 - hydrogen or alkyl, are obtained by vinylating the corresponding aminophenol with acetylene under pressure in the presence of a base in a solvent containing water. When cetylene under a pressure of 11-18 ATM is fed to the reactor containing a mixture of aminophenol and the base or phenolate of aminophenol obtained from aminophenol and the base, in solvent, which is use as dimethyl sulfoxide containing 10-30 vol. % of water. The process is carried out under a pressure of 14-26 atm. when heated to 80-110°C. In this case, lithium or sodium or potassium hydroxides are used as the base in the concentration of 29-100 moll. % to the initial aminophenol.EFFECT: method allows, at moderate temperature and pressure for 3-4 hours to increase the yield of target vinyl ethers and reduce production costs.11 ex

Chiral diacylhydrazine ligands for modulation of exogenous genes expression by ecdysone-receptor complex // 2640807
FIELD: biotechnology.SUBSTANCE: invention relates to a method for preparation of an enantiomerically enriched compound with Formula III , wherein A is (C1-C6)alkyl-O-, phenyl- C1-C6)alkyl-O-; aryl selected from phenyl, naphthyl, benzo 1,3]dioxole, 2,3-benzo[1,4]dioxin which is optionally substituted by 1 to 3 substituents, where the substituents are selected from (C1-C6) alkyl, (C3-C7) cycloalkyl, (C1-C6)alkyl-O-, hydroxy, amino and halo; or heteroaryl having four or five carbon atoms and one heteroatom selected from oxygen, nitrogen and sulfur, which is optionally substituted by 1 to 3 substituents, where the substituents are selected from (C1-C6)alkyl, (C3-C7)cycloalkyl, (C1-C6)alkyl-O-, hydroxy, amino and halo; B is phenyl optionally substituted by 1 to 3 substituents, where the substituents are selected from (C1-C6)alkyl, (C3-C7)cycloalkyl, (C1-C6)alkyl-O-, hydroxy, amino and halo; and R1 and R2 independently represent (C1-C6)alkyl, phenyl-(C1-C6)alkyl-, hydroxy-(C1-C6)alkyl, (C3-C7)cycloalkyl, (C2-C6)alkenyl or (C2-C6)alkynyl; provided that R1 differs from R2; where the absolute configuration of the asymmetric carbon atom carrying R1 and R2, is an R-configuration; including (a) reaction of Formula XI acylhydrazine with Formula XII ketone to form a compound of Formula XIII , where R1 differs from R2, (b) reduction of the Formula XIII compound in the presence of a chiral catalyst to form a Formula R-XIV compound and (c) reaction of the Formula R-XIV compound with the Formula B-CO-LG compound, wherein LG is a leaving group, forming a compound with Formula III.EFFECT: chiral diacylhydrazine ligands for genome modulation.6 cl, 25 dwg, 11 tbl
Production of 18f-flucyclowine // 2640805
FIELD: chemistry.SUBSTANCE: invention relates to a method of producing 1-amino-3-[18F]-fluorocyclobutanecarboxylic acid ([18F]-FACBC), which is used in the imaging of tumours by positron emission tomography. The process includes steps a) to e). In step a), a solid phase adsorbed compound of formula II is obtained, where PG1 is a carboxy-protecting group and PG2 is an amine-protecting group. In step b), the said adsorbed compound of formula II is reacted with an agent for removing the protective group PG1. In step c), the agent for removing the protective group PG1 is sent to waste after the indicated stage of interaction (b). In step d), the elution solution is passed through the said solid phase to obtain an eluted compound of formula III. In step e), the eluted compound of formula III obtained in step (d) is reacted with an agent for removing the protective group PG2 to obtain a reaction mixture containing [18F]-FACBC. The invention also relates to systems and cassettes for carrying out the said method.EFFECT: method makes it possible to simplify the purification, to remove soluble impurities from the reaction system, that are present in the solution used to remove the protection, and to improve the purity of the product obtained.22 cl, 1 ex

Catalyst of selective hydrogenation and methods of its production and application // 2640803
FIELD: chemistry.SUBSTANCE: composition is described, comprising an extruded inorganic support containing a metal or metalloid oxide, and, at least, one catalytically active metal of group 10. The extruded inorganic substrate has pores, a total pore volume and a pore size distribution. The pore size distribution profile has, at least, two peaks of pore diameters, each peak having a maximum. The first peak has the first maximum of pore diameters of more than 1000 nm to 6000 nm, and the second peak has the second maximum of pore diameters of less than about 120 nm; and about 15% or more of the total pore volume of the extruded inorganic substrate are within the range of the first peak of the pore diameters. The composition has a total pore volume of 0.1-0.6 cm3/g.EFFECT: good activity and increased selectivity of the catalyst.72 cl, 8 dwg, 3 tbl, 2 ex

ethod and device for converting alcohol to fuel mixture // 2640801
FIELD: chemistry.SUBSTANCE: alcohol at a suitable reaction temperature is converted into a fuel mixture in the reactor, the ratio between the alcohol fraction, the ether fraction and the water fraction in the fuel mixture is controlled by controlling, at least, one reaction parameter flowing in the reactor. This, at least, one controlled reaction parameter is the temperature and/or pressure in the reactor and the control of the said, at least, one reaction parameter is effected depending on the operating parameters of the exhaust gas processing system and/or depending on the operating parameters of the internal combustion engine, and/or depending on the properties of the alcohol to be converted.EFFECT: improved method.14 cl, 1 dwg
ethod for purifying exhaust gases of isopropyl benzene oxidization // 2640781
FIELD: chemistry.SUBSTANCE: method for purifying exhaust gases of isopropyl benzene oxidation consists in recovering isopropyl benzene by a low-temperature condensation. To create low temperatures, the energy of the exhaust gases of the isopropyl benzene oxidation is used.EFFECT: invention makes it possible to increase the recovery of isopropyl benzene from the exhaust gases.1 dwg

Prilling tower and method of producing, in particular, urea // 2640779
FIELD: chemistry.SUBSTANCE: prilling tower comprises a housing provided with an internal processing chamber, a spraying device disposed at an upper axial end of the housing for feeding a liquid phase of molten urea, windows installed at the lower axial end of the housing for air supply, and a transfer structure disposed at the lower axial end of the housing below the windows, to collect the formed solid products in the form of pellets and transfer them in the direction of the lower outlet. The transfer structure contains a number of expanding sectors, coaxial and aligned with each other and arranged in series and converging downward. In particular, the structure comprises an upper sector mounted at the upper end of the structure, a lower sector installed at the lower end of the structure, and an intermediate sector located between the upper sector and the lower sector. The transfer structure does not have mechanical scrapers and the sectors are partially inserted into each other both axially and radially and each pair of sectors arranged in series is formed by two sectors having respective peripheral edges inserted one into the other. The upper sector of this pair, located above the other along the axis, has a peripheral lower edge located lower and radially inside the upper peripheral edge of the sector below it. The sectors have inner lateral surfaces inclined to cause the pellets settled on the inner lateral surfaces to slide only under gravity in the direction of the lower outlet and the lateral walls having an inclination with respect to the horizontal plane greater than 45°.EFFECT: increasing the efficiency of production and quality of the product.18 cl, 3 dwg

ethod of producing methionine // 2640656
FIELD: chemistry.SUBSTANCE: according to the proposed method, carbon dioxide is loaded into an aqueous solution of potassium methioninate produced by hydrolyzing 5-(2-methylmercaptoethyl)hydantoin to precipitate crude methionine that is separated and purified. For purification, an aqueous solution of separated crude methionine is prepared and recrystallized. Herewith the solution, from which the recrystallization is carried out, contains a defoamer, potassium ions, and an additive for providing crystallization. The defoamer contains silicone oil, and the additive for providing crystallization is an anionic surfactant or a mixture of various anionic surfactants. Recrystallization is carried out by adding hot (60-110°C) methionine solution into the warm (35-80°C) suspension of methionine, the temperature of which is lower than the temperature of the added solution. During the addition, the temperature of the methionine suspension is maintained at 35 to 80°C. The additive for providing crystallization is one of the compounds represented by formulas 1-3, or a mixture thereof. In formulas 1-3, n is an integer from 1 to 12, M is sodium or potassium, R1, R2 and R3 are a linear, branched or cyclic, saturated or unsaturated C8-C20-alkyl group or an aryl group. R1-O-SO3M (formula 1); R2-O-(CH2)n-SO3M (formula 2); R3-(OC2H4)n-O-SO3M (formula 3).EFFECT: method allows to produce methionine, which is easy to be filtered and has a high bulk density.9 cl, 6 dwg, 5 ex

ethod for alkylation of aromatic compounds // 2640595
FIELD: chemistry.SUBSTANCE: one embodiment includes: (a) providing an aromatic hydrocarbon feedstock containing alkylated aromatic hydrocarbon of, at least, 150 ppm by weight of water and, at least, one organic nitrogen impurity, wherein alkylated aromatic hydrocarbon is benzene; (b) removing water from the aromatic hydrocarbon feedstock in the dewatering zone to produce an anhydrous starting aromatic feedstock having a water content of not more than 20 ppm by weight; (c) contacting the dewatered raw aromatic feedstock with the adsorbent from the clay under conditions comprising a temperature of less than 130°C, so that the adsorbent removes, at least, a portion of the organic nitrogen impurity contained in the feedstock to produce a treated aromatic feedstock; and (d) feeding the treated aromatic feedstock to the alkylation reaction zone and/or the transalkylation reaction zone.EFFECT: improving the efficiency of cleaning with clay.11 cl, 1 dwg, 2 tbl, 2 ex
ethod of producing acrylic acid through thermolysis of poly-3-hydroxypropionate catalysted, at least, one molecular active connection // 2640591
FIELD: chemistry.SUBSTANCE: method includes the thermolysis of poly-3-hydroxypropionate catalyzed by, at least, one molecular organic active compound containing, at least, one tertiary nitrogen atom, which has a covalent bond to three different carbon atoms of this molecular organic active compound, wherein the weight average relative molecular weight of Mw poly-3-hydroxypropionate is from 1000 to 2000000 and that this, at least, one molecular organic active compound does not contain heteroatoms other than nitrogen and oxygen, other than carbon and hydrogen, does not contain nitrogen atoms, to which one or more of one or more of the hydrogen atoms contains not more than one oxygen atom, to which the hydrogen atom is covalently attached, does not contain an oxygen atom that has a covalent double bond with one of three different carbon atoms, does not contain neither a residue of aromatic hydrocarbon, nor a residue of substituted aromatic hydrocarbon, has a boiling point, which is at a pressure of 1.0133⋅105 Pa is, at least, 150°C and not more than 350°C, and has a melting point which, at a pressure of 1.0133⋅105 Pa, is ≤70°C. The invention also relates to a method of radical polymerizing acrylic acid.EFFECT: improved method of producing acrylic acid.36 cl
New cyclo alkyan aldehydes, method of their production and their application in perfumery // 2640584
FIELD: chemistry.SUBSTANCE: invention relates to novel compounds of general formula that can be used in perfumery, cosmetics and in the production of detergents, an aromatic composition comprising, at least, one compound of general formula I, as an isomer or a mixture of isomers, an enantiomer or a mixture of enantiomers, either as a racemic mixture or as a diastereomer or a mixture of diastereomers, to the method of producing a compound of formula I, as well as the use of, at least, one compound of formula I as a flavouring and masking agent or an odour neutralizing agent. In formula I, R1, R2 and R3 are each independently a hydrogen atom or a saturated, branched or unbranched C1-C5alkyl group; m is an integer from 1 to 4; n is an integer from 2 to 4; the ring is saturated and contains from 5 to 8 carbon atoms, the total number of carbon atoms in the ring and the radicals R1, R2 and R3 is from 7 to 11. Herewith the compound of formula I is not: 6-cycloheptylidenehexanal, 4-(4-methylcyclohexylidene)-butanal, 4-(4-t-butylcyclohexylidene)-butanal, 4-(3,3,5-trimethylcyclohexylidene)-butanal.EFFECT: improving the compound properties.24 cl, 1 tbl, 16 ex
ethod of obtaining high-purity isobutene as result of cracking ether of mtbe or etbe and integrated method of obtaining corresponding ether // 2640578
FIELD: chemistry.SUBSTANCE: one version of the method includes supplying a flow mainly containing ether of MTBE (methyl tert-butyl ether) or ETBE (ethyl tert-butyl ether) to a fractionation zone for obtaining a flow of high-pure ether of MTBE or ETBE. In the said fractionation zone there are obtained a) a flow containing ether of MTBE or ETBE and compounds lighter than ether of MTBE or ETBE; b) a flow of ether of MTBE or ETBE having a purity greater than 98% (wt); and c) a flow containing ether of MTBE or ETBE and compounds heavier than ether of MTBE or ETBE; and the following successive zones: a cracking zone of the said ether flow of MTBE or ETBE to obtain an output flow, preferably containing isobutene and corresponding alcohol - methanol or ethanol; a zone of washing a flow with water, leaving the cracking zone, to retrieve the corresponding alcohol to obtain a flow containing isobutene, fed ether, and light compounds, and a flow essentially consisting of water and the corresponding alcohol, provided with an appropriate fractionation section to separate wash water sent to the recycle in the same washing zone, from the corresponding alcohol; a zone of the flow fractionation containing isobutene, fed ether, and light compounds, to separate a flow of high-pure isobutene. The invention also relates to an integrated process for the production of ether of MTBE or ETBE and high-pure isobutene.EFFECT: use of the present invention avoids the need for fractionation in the presence of anisotropic mixtures that are difficult to separate.21 cl, 4 dwg
 
2551293.
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