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WO/2018/114460A1 |
This invention relates to a process for preparing electron deficient olefins, such as 2-cyanoacrylates, using an acid catalyzed two-step process including an esterification reaction followed by a Knoevenagel condensation reaction.
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WO/2018/115961A2 |
Process for purification of unreacted vinyl acetate monomers comprising the steps of preliminarily loading an adsorbent agent bed with a mixture comprising an inert gas and fresh vinyl acetate; and feeding said adsorbent agent bed with u...
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WO/2018/114425A1 |
The invention relates to a method for obtaining pure tert-butyl (methy)acrylate from raw tert-butyl (methy)acrylate by distillation, characterized in that the method is carried out in a dividing wall column (1) having dividing built-in c...
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WO/2018/112778A1 |
The present invention is directed to a process for synthesizing at least one levulinate ester, said process comprising a step of introducing furfuryl ether into a reaction medium and a step of conversion of furfuryl ether into levulinate...
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WO/2018/114073A1 |
The invention relates to a fragrance mixture and the applications of same, particularly perfume oils, cosmetic agents, agents for application or detergents and cleaning agents, containing a sensorially effective amount of (i) (E)-2-methy...
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WO/2018/114752A1 |
The invention relates to an integrated process for the production of ethylene and vinyl acetate (VAM), comprising contacting in a first reaction zone a gas stream comprising ethane and optionally ethylene with an oxygen-containing gas st...
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WO/2018/113242A1 |
Provided is a process for synthesizing at least one levulinate ester, said process comprising the reaction of furfuryl alcohol with at least one other alcohol in the presence of water and at least one catalyst, said furfuryl alcohol bein...
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WO/2018/117216A1 |
Provided is a high-diacylglycerol-content fat containing α-linolenic acid in a large amount, the fat being inhibited from crystallizing at low temperatures and being less apt to opacify or form a precipitate. The fat is a fat compositio...
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WO/2018/112779A1 |
The present invention is directed to a process for synthesizing at least one levulinate ester, said process comprising the reaction of furfuryl alcohol polymer with at least one other alcohol in the presence of water and at least one cat...
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WO/2018/114429A1 |
The invention relates to a method for obtaining pure 2-ethylhexyl acrylate or pure 2-propylheptyl acrylate from the corresponding raw alkyl acrylate by distillation, characterized in that the method is carried out in a dividing wall colu...
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WO/2018/109040A1 |
The invention relates to a method for obtaining pure cyclohexyl(meth)acrylate by distillation of a mixture containing cyclohexyl(meth)acrylate, cyclohexanol and entraining agent, wherein the mixture is fed as a side stream to a rectifica...
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WO/2018/104677A1 |
The subject of the invention is a process for continuously producing a (meth)acrylic ester by transesterification reaction between a light C1-C4 alkyl (meth)acrylate and a heavy alcohol in the presence of a catalyst, characterized in tha...
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WO/2018/105237A1 |
A novel method for producing a trioxopropane compound is provided. The present invention provides a method for producing a trioxopropane compound represented by general formula (1), the method being characterized by reacting a dioxopropa...
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WO/2018/099271A1 |
The prevent invention provides a method for preparing deuterated chemicals, and deuterated chemicals. The method comprises the step of: making halides undergo a deuteration reaction with a deuterium source under the catalytic action of a...
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WO/2018/102793A1 |
Animal and seed based triglycerides are oils used in cosmetics, pharmaceuticals, animal feed, energy generation, etc. These triglycerides or glycerol esters are a mixture of triglycerides and free fatty esters (FFA) along with unsaponifi...
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WO/2018/096176A1 |
A precursor compound of a fragrant aldehyde is provided, as well as a method of forming such a compound, a kit comprising said compound, and certain uses thereof. The precursor compound has formula (I), wherein A is a hydrocarbon residue...
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WO/2018/097919A1 |
A method for preparation of phenolic (meth)acrylates. The method comprises contacting acetic anyhydride, a phenolic compound and (meth)acrylic acid to form a reaction mixture.
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WO/2018/094756A1 |
Disclosed is a process for producing triethyl citrate, comprising the following steps: raw material preparation – preparation of an aqueous citric acid solution – preparation of an esterified solution – adjustment of the pH value â...
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WO/2018/094960A1 |
The present invention relates to a cinnamic acid benzoyl methyl ester compound of formula (I), wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13 and R14 are as defined in the description. The present invention also relates t...
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WO/2018/096248A1 |
The invention relates to a composition comprising: at least one alkanesulfonic acid of formula R-SO3H, in which R is a linear or branched saturated hydrocarbon chain of 1 to 4 carbon atoms, optionally substituted with at least one haloge...
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WO/2018/094691A1 |
The present invention provides a method for preparing acrylic acid and methyl acrylate. The method comprises: raw gas containing dimethoxymethane and carbon monoxide by means of a solid acid catalyst, at a reaction temperature of 180-400...
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WO/2018/096249A1 |
The invention relates to a composition comprising: at least one alkanesulfonic acid of formula R-SO3H, in which R is a linear or branched saturated hydrocarbon chain of 1 to 4 carbon atoms, optionally substituted with at least one haloge...
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WO/2018/093915A1 |
Disclosed is a supported catalyst for the preparation of vinyl acetate monomer (VAM), a process for preparing a catalyst comprising an extruded alumina support, and a catalytic process for the manufacturing vinyl acetate using the suppor...
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WO/2018/087678A1 |
The invention relates to the use of ruthenium complexes, which are homogeneous catalysts and/or precatalysts of the olefin metathesis reaction, which lead to the production of alkenes containing an internal (non-terminal) double C=C bond.
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WO/2018/087230A1 |
Compound of formula (4) or formula (5), wherein L is a neutral ligand, preferably a nitrogen-containing heterocyclic carbene (NHC) such as carbene containing at least two nitrogen atoms, a cyclic aminoalkyl carbene (CAAC) or a bicyclic a...
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WO/2018/087767A1 |
The invention provides processes for the preparation of HU-910, which are scalable to industrial purposes, using safer reagents and having high yield and pure product and a crystalline structure of HU-910, which is a unique product thereof.
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WO/2018/084120A1 |
A benzoic acid derivative and a dehydration-condensation agent, each of which is represented by formula (I) or (II). In formulae (I) and (II), R1 represents a haloalkyl group, a halogen atom or a cyano group; and R2, R3 and R4 independen...
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WO/2018/084513A1 |
The present invention relates to a method for preparing an ester-based composition, the method comprising the steps of: mixing a dibenzoic acid and a carboxylic acid to prepare an acid mixture; and reacting the acid mixture with an alcoh...
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WO/2018/078961A1 |
[Problem] To provide a trans-bis(2-hydroxyalkyl) cyclohexanedicarboxylate (trans-BHAC) production method that makes it possible to obtain trans-BHAC simply and in high yields. [Solution] This trans-BHAC production method is characterized...
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WO/2015/086978A9 |
The invention relates to a method for producing an alkyl (meth)acrylate comprising a linear or branched alkyl chain comprising 4 to ?? carbon atoms, by direct esterification of (meth)acrylic acid with a linear or branched alcohol compris...
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WO/2018/079179A1 |
A refined chlorogenic acid-containing composition wherein the chlorogenic acids content within a solid component is 10-70 mass%, the mass ratio of glucose/chlorogenic acids is 0.1-0.9, the mass ratio of caffeine/chlorogenic acids is 0.05...
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WO/2018/078960A1 |
[Problem] To provide a bis(2-hydroxyethyl) 1,4-cyclohexanedicarboxylate (BHEC) production method that makes it possible to obtain BHEC simply and in high yields. [Solution] This BHEC production method is characterized in that bis(2-hydro...
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WO/2018/079177A1 |
A chlorogenic acid-containing composition manufacturing method including a step in which coffee beans are subjected to column extraction using an aqueous solvent, wherein the coffee beans are at least one type selected from raw coffee be...
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WO/2018/075301A1 |
Provided is a process for the preparation of certain 1,4- bicyclo[2.2.2]octane derivatives. The new synthetic procedure involves treating 1,4-dimethylene cyclohexane with an oxidizing agent in the presence of a transition metal catalyst ...
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WO/2018/072289A1 |
Disclosed is a method for preparing a maleate by a selective catalytic oxidation of lignin. The method, by using a heteropolyacid functionalized ionic liquid as a catalyst and an alcohol-water solution as a reaction medium, achieves effi...
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WO/2018/069702A1 |
A process for the production of an ethylenically unsaturated carboxylic acid ester, preferably an α,ß ethylenically unsaturated carboxylic acid ester is described. The process takes place by the reaction of formaldehyde or a suitable s...
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WO/2018/069372A1 |
The present invention relates to a method of preparing an ester by reacting a carboxyl acid with a (C1-C36)alcohol in the presence of a catalyst. The method is particularly suitable for the reaction of hydroxyalkylcarboxylic acids and fa...
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WO/2018/069441A1 |
The invention relates to a method for producing butadiene supplied by a butanediol feedstock, said method comprising at least: a) an esterification step comprising: a reaction section; a separation section producing a butanediol diester ...
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WO/2018/069146A1 |
The present invention relates to a method for synthesising pheromones and pheromone precursors, by means of the metathesis of terminal olefins including one functionalised olefin. The reaction is carried out in the presence of at least o...
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WO/2018/066594A1 |
The present invention is a (meth)acrylic monomer represented by general formula (1) (wherein R1 represents a hydrogen atom or a methyl group; R2 to R4 independently represent -CH3 or -CH2-O-R5, wherein at least one of R2 to R4 represents...
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WO/2018/066371A1 |
The purpose of the present invention is to provide a process for producing an E-olefin compound, the process being capable of using a wide range of Z-olefin compounds as substrates. The process, which is for producing an isomer, comprise...
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WO/2018/063602A1 |
This disclosure provides a process for producing vinylidene dimer derivatives by subjecting one or more vinylidene dimers and one or more carbonyl-containing compounds to a carbonyl-ene reaction, optionally in the presence of a catalyst,...
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WO/2018/056577A1 |
The present invention relates to a method for producing dimethyl terephthalate (DMT) at a high yield, and according to the production method for DMT of the present invention, DMT may be acquired at a high yield through an aromatization r...
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WO/2018/054877A1 |
The invention relates to a method for producing bistolanes which are substituted in the 1,1 '-position with halogen and to products from said compounds. The C-C-triple bonds of the bistolanes are produced by elimination reactions.
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WO/2018/050795A1 |
The present invention relates to a process for preparing a carotenoid mono-ester of the formula (I), including the stereoisomers of formula (I), wherein, R1 is e.g. hydrogen, C1-C20-alkyl, C2-C20-alkenyl, C4-C20-alkdienyl, C6-C20-alktrie...
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WO/2018/050213A1 |
The present disclosure concerns a process for preparing a pyrethroid, said process comprising the steps of: a) reacting an acid chloride with an alcohol in a suitable organic solvent and in the presence of a nitrogen acid acceptor in a t...
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WO/2018/051115A1 |
A process for the production of glycolic acid or a derivative thereof comprises: reacting formaldehyde with carbon monoxide and water in a carbonylation reactor in the presence of a sulfurcatalyst, said reactor operating under suitable c...
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WO/2018/050792A1 |
The present invention relates to a process for preparing a 12'-apocarotenal ester of the formula (I), R1 is e.g. hydrogen, C1-C20-alkyl, C2-C2o-alkenyl, C4-C20-alkdienyl, C6-C20-alktrienyl or C8-C20-alktetraenyl, R2 is e.g. hydrogen or -...
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WO/2018/046306A1 |
A process for ring hydrogenation of a benzenepolycarboxylicacid or derivative thereof, which process comprises contacting a feed stream comprising said acid or derivative thereof with a hydrogen-containing gas in the presence of a cataly...
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WO/2018/045763A1 |
A catalyst for isomerizing a fatty acid methyl ester and a preparation method therefor. The catalyst comprises a noble metal Ru, TiO2, SiO2, and an SAPO-11 molecular sieve. Using the mass of the SAPO-11 molecular sieve as a benchmark, th...
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