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WO/2018/169181A1 |
The present application relates to a method for efficiently producing an alkyl lactate from a byproduct or poly(lactic acid) (PLA), which is generated in the process of converting lactic acid into a lactide.
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WO/2018/167718A1 |
A method for the manufacture of a diester of terephthalic acid includes reacting terephthalic acid and a C6-18 alkyl monohydric alcohol in the presence of a catalyst having the formula MO[CH3COCH=C(0-)CH3]2 wherein M = Ti, Zr, or Hf, und...
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WO/2018/164226A1 |
Provided is a method for producing a high-quality (meth)acrylate that has little coloration. The present invention relates to a method for producing a (meth)acrylate comprising steps 1 through 3 which are performed in order. ○ Step 1 A...
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WO/2018/164662A1 |
A resveratrol ester has the following structure: (I). R1, R2 and R3 are H or (II). Each R4 is independently a carbon chain of 2 to 4 carbon atoms comprising a terminal carboxylic acid moiety, a carbon chain of 1 to 5 carbon atoms compris...
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WO/2018/162739A1 |
The present invention relates to a process for preparing a mixture M1 of enol phosphate isomers devoid of (E,E) isomer and comprising at least 98% of (E,Z) isomer, at least 0.1% of (Z,Z) isomer and at least 0.1% of (Z,E) isomer, comprisi...
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WO/2018/158198A1 |
The present invention concerns acontinuous-flow process for the production of allyl compounds by deoxydehydration of glycerol comprising the following steps: (a)Forming a reactive solution by mixing glycerol (1) with: a carboxylic aci...
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WO/2018/159846A1 |
The present invention provides a production method for an α,β-unsaturated acid ester or an α-haloester, the method being capable of producing the α,β-unsaturated acid ester or α-haloester through a few steps. The method of the pres...
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WO/2018/153727A2 |
The present invention relates to a process for the carbonylation of allyl alcohols at low temperature, low pressure and/or low catalyst load. In an alternative embodiment, an acylation product of allyl alcohol is used for carbonylation. ...
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WO/2018/154314A1 |
A method of processing an aqueous hemicellulosic stream containing lignin, comprising: (a) contacting an aqueous hemicellulosic stream containing lignin with a C3-8 alkyl alcohol at elevated temperature and acidic pH; (b) separating the ...
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WO/2018/154244A1 |
The invention relates to a method for the synthesis of pheromones functionalised on one of the ends thereof and comprising at least two conjugated double bonds with a majority stereochemical configuration (E, Z). The reaction is carried ...
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WO/2018/146264A1 |
The present invention relates to purification methods of pleuromutilin (I) by means of crystallisation and/or recrystallisation. The process according to the present invention is carried out in the presence of i-propylacetate.
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WO/2018/146306A1 |
The invention pertains to a process for preparing a compound of formula (1), wherein R1 is independently chosen from C1-C6 alkyl, cycloalkyl, aralkyl and aryl, and R2, R3 and R4 are independently chosen from hydrogen and C1-C6 alkyl, cyc...
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WO/2018/141961A1 |
The present invention relates to a process for the manufacturing of 1-aryl-1-trifluoromethylcyclopropanes, which serve as intermediates for the manufacturing of calcium T channel blockers of the general formula (A) which are described in...
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WO/2018/144681A1 |
Disclosed are methods of synthesizing racemic 2-(difluoromethyl)-1- (alkoxycarbonyl)-cyclopropanecarboxylic acids and 2-(vinyl)-1-(alkoxycarbonyl)- cyclopropanecarboxylic acids and their salts, such as the dicyclohexylamine salt. Also di...
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WO/2018/138686A1 |
Processes for producing a disubstituted oxalate are disclosed. The process includes contacting a cesium salt with one or more alcohols and carbon dioxide (CO2) under reaction conditions sufficient to produce a composition comprising a di...
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WO/2018/137502A1 |
The present invention relates to the field of pharmaceutical chemistry, and in particular, to a crystal form of salvianolic acid A, and a method for preparing same. The X-ray powder diffraction pattern of a crystal form I shows character...
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WO/2018/140441A1 |
Binder compositions for use in the formation of fiber insulation and nonwoven mats are provided comprising water and a reaction product of a) a polymeric poly(carboxylic acid) component and b) a polyglycerol component. In this compositio...
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WO/2018/138025A1 |
The invention relates to a method for producing norbornyl (meth)acrylate by reacting norbornene with (meth)acrylic acid in the presence of boron trifluoride as a catalyst, characterised in that e) boron trifluoride is added to (meth)acry...
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WO/2018/138689A1 |
Processes for producing a disubstituted oxalate are disclosed. The process includes contacting a cesium salt with one or more alcohols and carbon dioxide (CO2) under reaction conditions sufficient to produce a composition comprising a di...
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WO/2018/133972A1 |
The invention relates to glycerol (meth)acrylate carboxylic esters which have a long shelf life as well as to a process for synthesizing said esters.
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WO/2018/093909A9 |
Disclosed is a supported catalyst for the preparation of vinyl acetate monomer, a process for preparing the supported catalyst in tablet or pellet form, and a catalytic process for the manufacturing vinyl acetate using the supported cata...
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WO/2018/123890A1 |
The present invention addresses the problem of providing a novel method for manufacturing a difluoromethylene compound. The problem is solved by a method for manufacturing a difluoromethylene compound having a –CF2- part, the manufactu...
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WO/2018/124172A1 |
A method is provided by which an alcohol compound having a satisfactory purity is obtained from an ester compound in a simple manner. A high-purity alcohol compound can be obtained by: passing a solution which contains both an ester comp...
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WO/2018/124873A1 |
The present invention relates to a process of producing palm-based polyol esters (POE) through a solventless and autocatalytic reaction. The process comprising steps of esterifying (104) palm-based fatty acid and pentaerythritol under co...
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WO/2018/124613A1 |
A method for preparing an aromatic carbonic acid diester of the present invention comprises the steps of: performing a transesterification reaction of an aliphatic carbonic acid diester and an aromatic alcohol in the presence of an organ...
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WO/2018/120094A1 |
Provided are a method for preparing a 2-(cyclohexenylene) malonic acid derivative and the use thereof. In the method, an olefin and a 2-substituted malonic acid derivative are used as raw materials and are subjected to a cyclization reac...
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WO/2018/112776A1 |
The present invention is directed to 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, s...
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WO/2018/116664A1 |
Provided is a lubricating base oil containing an ester compound, wherein the ester compound contains a mixture comprising a compound represented by general formula (1) (in formula (1), R1 and R2 independently represent a hydrogen atom, a...
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WO/2018/114914A1 |
The present invention relates to a method for producing (functionalized) biaryls by employing a visible-light-driven, gold-catalyzed C-C cross-coupling reaction system involving boron- and silicon-containing aryl compounds and aryldiazon...
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WO/2018/114747A1 |
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 s...
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WO/2018/113240A1 |
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/2018/112777A1 |
The present invention is directed to 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, s...
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WO/2018/115434A1 |
The invention relates to a method for the production of acetylsalicylic acid lysinate, optionally lysine acetylsalicylate · glycine, comprising the following steps: a) providing a solution of acetylsalicylic acid in ethanol; b) providin...
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WO/2018/118461A1 |
The present invention provides methods comprising washing or, preferably, washing and neutralizing a sulfur acid containing crude MMA stream to generate a two phase stream containing at least methacrylic acid, methacrylamide (MAM), water...
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WO/2018/114422A1 |
The invention relates to a method for obtaining pure butyl acrylate from raw butyl acrylate by distillation, wherein butyl stands for n-butyl or isobutyl, characterized in that the method is carried out in a dividing wall column (1) havi...
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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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