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WO/2019/170791A1 |
The invention discloses a method for the preparation of 2-chloro acetoacetic acid amide or ester by a reaction of acetoacetic acid amide or ester with trichloroisocyanuric acid in the presence of amylene and in the solvent acetone.
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WO/2019/168135A1 |
The present invention relates to a method for converting an N,N-dialkylamide compound into an ester compound using, as a catalyst, a complex of a fourth-period transition metal, the complex being obtained by reacting a precursor includin...
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WO/2019/163984A1 |
Provided is a catalyst for producing an α,β-unsaturated carboxylic acid at a high yield. The present invention also provides a method for preparing a catalyst for producing an α,β-unsaturated carboxylic acid, the catalyst being used ...
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WO/2019/165350A1 |
The present invention discloses processes for producing normal alpha olefins, such as 1-hexene, 1-octene, 1-decene, and 1-dodecene in a multistep synthesis scheme from another normal alpha olefin. Also disclosed are reactions for convert...
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WO/2019/164808A1 |
Provided herein is technology relating to polymerization and producing polymers and particularly, but not exclusively, to methods, systems, and compositions for producing articles using three-dimensional printing and for improving contro...
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WO/2019/160037A1 |
The purpose of the present invention is to provide methods for producing a carboxamide compound, a sulfonamide compound, and an ester compound using an acid halide. The methods for producing a carboxamide compound, a sulfonamide compound...
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WO/2019/159596A1 |
Provided is a method for preparing a coupled body represented by general formula (3), the coupled body being obtained by reacting a compound represented by general formula (1) and a compound represented by general formula (2) in the pres...
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WO/2019/159906A1 |
The method for producing tricyclo[5.2.1.02,6]decane-2-carboxylic acid esters of the present invention is a method for producing tricyclo[5.2.1.02,6]decane-2-carboxylic acid esters by reacting the tricyclo[5.2.1.02,6]deca-3-ene in a dilut...
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WO/2019/159028A1 |
Disclosed is a process for producing a cholesterol concentrate including the steps of (a) distilling a fish oil having no more than 2% free fatty acids in an admixture with an auxiliary fluid in a vacuum distillation column to obtain a f...
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WO/2019/158409A1 |
The invention relates to a method for producing a surface-active compound based on citric acid, and to a reaction product which can be produced by a method according to the invention. The invention also relates to a surface-active compou...
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WO/2019/158410A1 |
The invention relates to a method for producing a surface-active mixture comprising condensation products, wherein an α-hydroxycarboxylic acid with 3 to 6 carbon atoms is reacted with at least one 1,2 alkanediol. The invention further r...
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WO/2019/158485A1 |
The invention provides a method for synthesizing musk macrocycles comprising contacting an easily accessible diene starting materials bearing a Z-olefin moiety and performing a ring closing metathesis reaction in the presence of a Group ...
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WO/2019/154624A1 |
New process of producing alpha-hydroxy compounds from sustainable resources useful as platform chemicals, such as hydroxy analogues of amino acids or polymer precursors.
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WO/2019/155128A1 |
According to an example aspect of the present invention, there is provided a method for producing muconic acid ester from aldaric acid ester, and for separating and purifying the produced muconic acid ester by high vacuum distillation in...
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WO/2019/151299A1 |
Provided is a method for relatively efficiently producing a glutaraldehyde derivative using an iridoid compound occurring in nature as a starting material, said glutaraldehyde derivative holding a substituent which is attached to the pyr...
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WO/2019/141778A1 |
The present invention relates to a catalytic process for the preparation of an ester starting from a carboxylic acid and an alkene using a zeolitic material having a BEA-type framework structure as the catalyst.
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WO/2019/142887A1 |
Provided is a method for suppressing polymerization of vinyl monomers, which has improved polymerization suppression effect for vinyl monomers. The present invention provides a method for suppressing polymerization of vinyl monomers, whi...
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WO/2019/141634A1 |
The invention relates to a method for producing carbon monoxide using a formic acid derivative, particularly an alkyl formate. It also relates to a method selected from the method for producing methanol, the method for producing acetic a...
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WO/2019/138000A1 |
The present invention relates to the use of a transition metal catalyst TMC1, which comprises a transition metal M selected from metals of groups 7, 8, 9 and 10 of the periodic table of elements according to IUPAC and a tetradentate liga...
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WO/2019/139719A1 |
A heterogeneous catalyst comprising a support and a noble metal, wherein said support comprises silicon, and wherein said catalyst comprises from 0.1 to 40 mol% titanium and from 0.1 to 10 mol% of at least one noble metal based on total ...
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WO/2019/139720A1 |
A method for preparing methyl methacrylate from methacrolein and methanol; said method comprising contacting a mixture comprising methacrolein, methanol and oxygen with a heterogeneous catalyst comprising a support and a noble metal, whe...
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WO/2019/139264A1 |
The present invention relates to a method for cycloaddition of dimethyl muconate, in which by directly transferring a solid phase trans,trans-dimethyl muconate into a reactor pre-filled with ethylene gas, the efficiency of the reaction c...
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WO/2019/136283A1 |
This present disclosure relates to catalytic processes for upgrading crude and/or refined fusel oil mixtures to higher value renewable chemicals, via mixed metal oxide or zeolite catalysts. Disclosed herein are processes passing a vapori...
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WO/2019/135243A1 |
This invention relates to methods for preparation of jasmonate compounds via a salt of jasmonic acid.
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WO/2019/127649A1 |
Disclosed is a self-aligned liquid crystal adjuvant, comprising an adjuvant I as shown in formula 1 and an adjuvant II as shown in formula 2. Further disclosed is a self-aligned liquid crystal mixture comprising the above self-aligned li...
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WO/2019/131442A1 |
In this method for producing a fatty acid polyoxyethylene methyl ether, ethylene oxide is added to a fatty acid methyl ester component having as the main component thereof a fatty acid methyl ester having a C18-22 fatty acid residue, sai...
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WO/2019/121453A1 |
The present invention relates to a method for preparing acetate compounds using ketene.
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WO/2019/123125A1 |
The present disclosure relates to a process for the manufacturing of a compound comprising a (meth)acryloyl group, wherein the process comprises the steps of: a) providing a multi-screw extruder comprising a reaction chamber; b) providin...
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WO/2019/120235A1 |
The present invention relates to a class of phenylcarboxylic acid derivatives, a preparation method therefor and a use thereof, more specifically relating to a class of phenylcarboxylic acid derivatives as shown in formula I, a preparati...
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WO/2019/116798A1 |
Provided are a (meth)acrylate compound represented by general formula (1) and a method for producing the same. In the formula, R1 to R4 are each the same or different and are an alkyl group, an aryl group, or a halogen atom, R5 and R6 ar...
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WO/2019/114154A1 |
Disclosed is an acrylate compound for a coating, having both an oleophilic polycyclic aliphatic group and a hydrophilic hydroxy group, as well as a higher polymerization reaction activity. When the acrylate compound is used for a solvent...
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WO/2019/116789A1 |
Provided is a method for producing a fluorine-containing organic compound, the method being capable of detecting an occurrence of a side reaction in a direct fluorination reaction using a fluorine gas, and also capable of producing a hig...
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WO/2019/109873A1 |
Disclosed in the present invention are an emodin succinyl ester compound, a preparation method therefor and a use thereof, the emodin succinyl ester compound having the structure as represented by formula I (R being a C1-5 alkyl group). ...
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WO/2019/111853A1 |
The present invention addresses the problem of providing a method for producing a dicarboxylic acid monoester with excellent production efficiency, a method for producing a polymerizable liquid crystal compound, and a novel dicarboxylic ...
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WO/2019/107772A1 |
The present invention relates to a method for hydrogenation of a phthalate compound. According to the present invention, the production of byproducts is suppressed in a hydrogenation reaction, and thus the activity of a catalyst is impro...
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WO/2019/107771A1 |
The present invention relates to a method for hydrogenation of a phthalate compound. According to the present invention, the stereoselectivity of a hydrogenation reaction is increased, and thus the content of cis-isomers in products is h...
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WO/2019/107770A1 |
The present invention relates to a method for hydrogenation of a phthalate compound. According to the present invention, the production of byproducts is suppressed in a hydrogenation reaction, and thus the activity of a catalyst is impro...
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WO/2019/107773A1 |
The present invention relates to a method for hydrogenation of a phthalate compound. According to the present invention, the stereoselectivity of a hydrogenation reaction is increased, and thus the content of cis-isomers in hydrogenation...
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WO/2019/103549A2 |
The present invention relates to a method for efficiently preparing dimethyl terephthalate. According to the present invention, it is possible to efficiently prepare dimethyl terephthalate with a high yield by using ethylene gas as an ox...
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WO/2019/103759A1 |
Processes are described for purifying a biphenyldicarboxylic acid product containing one or more impurities, particularly at least formylbiphenylcarboxylic acid. In the processes, at least a portion of the biphenyldicarboxylic acid produ...
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WO/2019/101296A1 |
The invention relates to a method for producing vinyl acetate in a heterogeneously catalysed, continuous gas phase process by reacting ethylene with acetic acid and oxygen in a fixed-bed tube reactor and processing the product gas stream...
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WO/2019/103756A1 |
Processes are described for purifying a biphenyldicarboxylic acid product containing one or more impurities, particularly at least formylbiphenylcarboxylic acid. In the processes, a mixture comprising the biphenyldicarboxylic acid produc...
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WO/2019/101679A1 |
The present invention relates to a method for the metal-free preparation of a biaryl compound by a photosplicing reaction and its use in the preparation of chemical compounds, preferably of active ingredients e.g. in the fields of pharma...
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WO/2019/096761A1 |
The present invention is directed to a process for the production of methyl acrylate wherein methyl lactate is contacted with a ZSM-5 catalyst in the presence of methanol. It was found that the presence of methanol is essential to obtain...
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WO/2019/089542A1 |
Disclosed herein are methods for the preparation of boronate derivatives in the synthesis of antimicrobial compounds and uses thereof. Disclosed herein includes method of making a compound of Formula (B) by reducing the ketone group of t...
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WO/2019/082865A1 |
The purpose of the present invention is to provide an ester lubricant base oil for fluid bearings that has an excellent hydrolysis resistance and low-temperature fluidity, a high viscosity index, and a good evaporation resistance. The pr...
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WO/2019/078061A1 |
A method for manufacturing a bio-liquid fuel, said method comprising contacting oil-containing microalgae with supercritical or subcritical methanol or supercritical or subcritical ethanol in the presence of a catalyst which is an oxide ...
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WO/2019/078244A1 |
Provided is a catalyst for the production of an α,β-unsaturated carboxylic acid, which enables the production of an α,β-unsaturated carboxylic acid with high yield. A method for producing a catalyst for the production of an α,β-uns...
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WO/2019/072655A1 |
The invention relates to a carrier catalyst for producing vinyl acetate, comprising a carrier made of layered silicate, which is loaded with palladium, gold and at least one alkali compound, characterized in that the carrier is designed ...
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WO/2019/075195A1 |
The present disclosure provides processes for preparing (+)-pleuromutilin and synthetic (+)-pleuromutilin produced therefrom. Also provided are intermediates prepared thereby and processes for preparing these intermediates.
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