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Matches 1 - 50 out of 15,241

Document Document Title
WO/2021/032675A3
The present invention relates to a compound of the following formula (I): in which: - R1, R2, R3 and R4 are, independently of one another, H or a (C1-C30)alkyl group, the total sum of the number of carbon atoms of R1, R2, R3 and R4 being...  
WO/2020/150067A8
Systems and methods are provided for conversion of gas phase reactants including CO and H2 to C2+ products using multiple catalysts in a single reactor while reducing or minimizing deactivation of the catalysts. Separate catalysts can be...  
WO/2021/067087A1
Embodiments of the present disclosure are directed towards methods of etherification including modifying a zeolite catalyst with silica to provide a silica modified zeolite catalyst; and contacting the silica modified zeolite catalyst wi...  
WO/2021/067223A1
A method including the step contacting an olefin, an alcohol, a metallosilicate catalyst and a solvent, wherein the solvent comprises structure (I): wherein R1 and R2 are each selected from the group consisting of an aryl group and an al...  
WO/2021/063870A1
The present invention relates to methods for producing at least one vinyl ether compound of formula (I) and to a vinyl ether compound of formula (I) preferably obtainable by the methods according to the invention. Furthermore, the presen...  
WO/2021/067077A1
Embodiments of the present disclosure are directed towards methods of etherification including reducing templates of a zeolite catalyst to provide a reduced template zeolite catalyst having from 3 to 15 weight percent weight percent of t...  
WO/2021/067225A1
A method includes the steps of (a) contacting a solvent having a Water Solubility of 1g or greater per 100g of water with a metallosilicate catalyst having an alumina to silica ratio from 5 to 1500; and (b) heating the metallosilicate ca...  
WO/2021/067079A1
Embodiments of the present disclosure are directed towards methods of etherification including modifying a zeolite catalyst with phosphorus to provide a phosphorus modified zeolite catalyst; and contacting the phosphorus modified zeolite...  
WO/2021/060230A1
[Problem] A purpose of the present invention is to provide a novel surfactant composition that is capable of improving detergency, does not gel or is unlikely to gel during handling, and has suppressed odor. [Solution] The problem is res...  
WO/2021/054414A1
The purpose of the present invention is to provide a method for producing fluorine-containing compounds that produces fluorine-containing compounds under relatively mild reaction conditions using easily-available compounds. The method fo...  
WO/2021/052353A1
The present invention relates to the technical field of enzyme inhibitors, and relates in particular to a hydroxamic acid derivative, a preparation method therefor and an application thereof. The hydroxamic acid group in the hydroxamic a...  
WO/2021/052328A1
The present invention provides a preparation method for a polyoxymethylene dimethyl ether (DMMNn, generally, n = 3-8 or 2-8) and a mixture thereof. The preparation method comprises: a mixture of an aqueous formaldehyde solution and polya...  
WO/2021/046815A1
The present invention provides a device for continuously preparing 2,6-dihydroxybenzaldehyde and an application thereof. The device comprises a first continuous reaction unit for hydroxyl protection reaction, a second continuous reaction...  
WO/2021/049492A1
[Problem] A purpose of the present invention is to provide: a higher secondary alcohol alkoxylate adduct that when used as a surfactant, exhibits excellent cleaning power, and does not have unpleasant odor and is free from turbidity and ...  
WO/2021/046008A1
Disclosed are aromatic dicarbinol compounds that may have utility in a variety of chemical applications such as plasticizers, diluents, wetting agents and paint additives and as intermediates in chemical processes. The aromatic dicarbino...  
WO/2021/046010A1
Disclosed is a method for making aromatic enol ethers that have utility as film-hardening additives for coating formulations. The aromatic enol ethers have particular utility as film-hardening additives for water-based coating formulatio...  
WO/2021/045207A1
The present invention relates to a production method for a highly reactive intermediate. The production method includes: preparing an electron-accepting active compound (1); preparing a piezoelectric material (3); and applying mechanical...  
WO/2021/046046A1
Disclosed is a two-step process to make a dialdehyde. In the process a diepoxide is first hydrolyzed with an alcohol solvent to an intermediate which is then subjected to a double-Pinacol rearrangement to obtain a dialdehyde. The dialdeh...  
WO/2021/032675A2
The present invention relates to a compound of the following formula (I): in which: - R1, R2, R3 and R4 are, independently of one another, H or a (C1-C30)alkyl group, the total sum of the number of carbon atoms of R1, R2, R3 and R4 being...  
WO/2021/020481A1
The present invention is a method for producing an intermediate of iguratimod derivatives, a method for producing iguratimod, iguratimod having a novel crystal structure, and a method for producing the same. The present invention can rai...  
WO/2021/019005A1
The invention relates to a method for treating a composition comprising natural vanillin by separating a compound of formula (I).  
WO/2021/012411A1
Disclosed is a method for preparing a guaiacol product from lignin by means of steam-assisted pyrolysis, belonging to the technical field of biomass resource utilization. In the method, lignin is pyrolyzed in a pyrolysis reactor to obtai...  
WO/2021/003658A1
Provided is joint use of polyol ethers and ethylene oxide-rich alkyl alkoxylates as additives in filler-containing aqueous polymer dispersions for production of porous polymer coatings, preferably for production of porous polyurethane co...  
WO/2021/004760A1
The present invention relates to a process for the di-O-alkylation of a 1,3-diol according to Formula I (I), said process comprising reacting said 1,3-diol with dioxane, an aliphatic or aromatic hydrocarbon solvent, an alkali metal hydro...  
WO/2021/002477A1
[Problem] To provide a novel method for obtaining an oxygen compound, e.g., dimethyl ether, by oxidizing a hydrocarbon, e.g., methane, in a vapor phase under simple and relatively mild conditions. [Solution] A method for oxidizing a hydr...  
WO/2021/001240A1
The invention relates to a method for the hydrogenation of an ester with molecular hydrogen to the corresponding alcohols in the presence of a ruthenium complex (I), wherein said complex contains a tridentate ligand L of the general form...  
WO/2020/262144A1
Provided is a method for producing a diarylmethane compound that brings a compound (I) represented by formula (I), a Lewis acid, and a reducing agent into contact in the presence of an indium compound to produce a diarylmethane compound ...  
WO/2020/263697A1
Methods for gas-phase deoxygenation of a bio-oil are provided. In embodiments, such a method comprises exposing a bio-oil vapor comprising hydrocarbon compounds having oxygenated aromatic groups, to hydrogen gas in the presence of cataly...  
WO/2020/257930A1
Stable formulations of alkyl benzidine compounds and methods of making and using same. A short chain diol and an alkyl benzidine compound are combined together in solution at low pH and the solution is heated with moderate heat. The stab...  
WO/2020/260970A1
Polyol component(s) for a recyclable polyurethane system is disclosed. The recyclable polyurethane system comprises a polyol component having a structural Formula (I), a polyol component having a structural Formula (II) or a polyol compo...  
WO/2020/263623A1
The present disclosure provides for methods for depolymerizing lignin to produce other useful products. For example, low molecular weight aromatic and aliphatic hydrocarbons (e.g., hydrocarbons having 8 to 20 carbon atoms (C8 to C20 hydr...  
WO/2020/253297A1
The present invention relates to the technical field of the production of polyether polyols, and provided is a process for producing a low-odor polyether polyol, the process comprising the following steps: an initial polymerization react...  
WO/2020/252007A1
Processes and systems for C3+ monoolefin conversion. In some examples, the process can include reacting a first mixture that includes C3+ monoolefins and a first oxygenate to produce a first effluent that includes a first ether and < 1 w...  
WO/2020/252217A1
Disclosed herein are bio-based polysulfones, and in particular, bisguaiacol-based PSfs synthesized from (i) at least one polymerizable lignin-based monomer having a structure corresponding to formula (I) wherein each R1 is independently ...  
WO/2020/250018A1
Disclosed herein is an efficient, environment friendly and commercially viable process for preparation of chloromethylated compound of formula I in substantially pure form and high yield, from the compound of formula II. The process incl...  
WO/2020/237806A1
The present invention relates to the field of organic synthesis. Provided is a preparation method for 4-fluorine-3-methoxyl-5-methylaniline hydrochloride. A synthetic route of the preparation method for 4-fluorine-3-methoxyl-5-methylanil...  
WO/2020/240591A1
The present invention relates to an intensification of the synthetic process for the preparation of dialkyl ether from alcohol by using a conical fixed bed reactor integrated with distillation coupled conical polishing reactor.  
WO/2020/241343A1
This system for producing a synthetic product is provided with: a by-produced hydrogen discharging plant which discharges by-produced hydrogen; a carbon dioxide discharging plant which discharges a carbon dioxide-containing gas; a synthe...  
WO/2020/240400A1
A process is proposed for producing an orthoester of formula (IV), which process comprises reacting an organosulfur compound of formula (I), a metal salt, and one or more alcohols of formula (II) and/or one or more diols of formula (III)...  
WO/2020/234123A1
The present invention relates to a process for the purification of crude eugenol by distillation in the presence of at least one stabilizing compound. The process of the present invention can be industrialized, has improved properties, i...  
WO/2020/234220A1
The invention relates to a method for producing polyoxymethylene dimethyl ethers, wherein, as an educt, a formaldehyde source and at least one compound of formula (I) H3C-O-R (I) wherein R: H or -(CH2 O)x-CH3 wherein x = 0 or 1 is guided...  
WO/2020/235809A1
The present disclosure describes a method for preparing an ether compound by reacting a furan-based compound with alcohol in the presence of a bulky or supported nickel phosphide catalyst.  
WO/2020/229470A1
The invention relates to new intermediates in the synthesis of Eldecalcitol and to processes for the preparation of said intermediates and of Eldecalcitol.  
WO/2020/000170A8
A process for etherification of aldehydes and/or ketones in the presence of a catalyst and an iodine source.  
WO/2020/229227A1
The invention pertains to a multi-step process for making polyfunctional aromatic compounds comprising two phenyl rings bearing reactive groups susceptible of polycondensation reaction to provide polycondensed polymers, said method using...  
WO/2020/226126A1
A compound having a fluorene skeleton represented by formula (1), which is characterized in that a resin obtained by using this compound having a fluorene skeleton as a starting material is excellent in terms of various characteristics (...  
WO/2020/225665A1
A process is described for the separation of at least one inositol from a carob extract comprising the steps of: a) providing a filtered and demineralised carob extract having a Brix value greater than 60 and a pinitol content, in weight...  
WO/2020/216034A1
Provided are an intermediate which can be used for synthesizing halichondrin B, eribulin or an analogue thereof, in particular a C27-C35 structure fragment thereof, a preparation method therefor and use thereof. The starting raw material...  
WO/2020/217209A1
The invention provides a method for depolymerising a phenolic polymer, the method comprising reacting the phenolic polymer with dimethylsulphoxide (DMSO) and a hydrogen halide. The phenolic polymer may be selected from the group consisti...  
WO/2020/212352A1
The present invention refers to a process for preparing a compound of formula (I) or a pharmaceutically acceptable salt thereof: wherein R is (C3-C10)alkyl, or ω-trifluoro(C3-C10)alkyl; R1 and R2 are, independently, hydrogen, hydroxy, (...  

Matches 1 - 50 out of 15,241