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Matches 101 - 150 out of 14,874

Document Document Title
WO/2018/123648A1
Halogenated α–fluoroethers indicated by a formula [in formula (2), HaloR indicates a haloalkyl group, R1 indicates a hydrogen atom, a halogen atom, an alkyl group, or a substituted alkyl group, and R2 indicates an alkyl group or a sub...  
WO/2018/123649A1
A 1, 2, 2, 2–tetrafluorethyl methyl ether being a synthetic intermediate of desflurane was conveniently obtained by causing a trimethyl orthoformate to act on a fluoral obtained by a gas phase fluorination reaction of chloral, in the p...  
WO/2018/125609A1
A process for the production of diisopropyl ether from high purity propylene without the need of a propane-propylene fractionation column has been developed. The process involves (1) reacting a high purity propylene feedstock and water t...  
WO/2018/125611A1
A process for the production of diisopropyl ether from high purity propylene without the need of a propane-propylene fractionation column has been developed. The process involves (1) reacting a high purity propylene feedstock and water t...  
WO/2018/120880A1
The present invention provides an insecticidal compound having an ether bond structure. The structural formula of the compound is as shown in formula A, wherein R1 is methyl, halogen atom, cyano group, or trifluoromethyl; R2 and R3 are H...  
WO/2018/125612A1
A process for the production of diisopropyl ether from high purity propylene without the need of a propane-propylene fractionation column has been developed. The process involves (1) reacting a high purity propylene feedstock and water t...  
WO/2018/120881A1
The present invention provides an insecticidal ether compound having a structure similar to pyrethroid. The structural formula of the compound is represented by formula A, wherein R1 and R2 are methyl, a halogen atom, or trifluoromethyl,...  
WO/2018/118474A1
The present invention is directed to, among other things, processes for purifying polyether polyols via treatment with an ion exchange resin in which the ion exchange resin is disposed in a container that is operated liquid-full.  
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...  
WO/2018/116081A1
Certain embodiments are directed to an integrated process for the production of Maleic Anhydride (MAN), 1,4 Butanediol (BDO), Gamma-ButyroLactone (GBL), and PolyButylene Terephthalate (PBT) utilizing NC4 rich stream from a recycle stream...  
WO/2018/108863A1
A method for producing a hydroxyl-functionalized polysiloxane having secondary or tertiary hydroxyl groups, said method comprising the steps of: i) reacting a hydroxyalkyl allyl ether having a secondary or tertiary alcohol group with a s...  
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...  
WO/2018/095369A1
The present invention provides a monomer, polymer, method for preparation thereof and use thereof. The monomer has a structure as represented by formula (I), wherein R1, R2, R3, and n have the meanings described in the description. The p...  
WO/2018/093223A2
The present invention relates to a method for preparing eldecalcitol and an intermediate used therein. According to the preparation method of the present invention, eldecalcitol can be efficiently and economically produced without passin...  
WO/2018/093604A1
Systems and methods for upgrading natural gas that may include the division of a natural gas feed steam into two parts - one that is partially oxidized into syngas and a second that is "dry" reformed into syngas with the assistance of he...  
WO/2018/088736A1
The present disclosure provides: a Cu/ZnO/Al2O3-based catalyst, which is produced without making a large change in a conventional catalyst production method while a seed material, such as zeolite or γ-alumina, and/or other materials are...  
WO/2018/086197A1
The present invention relates to the field of organic syntheses, and provides a catalytic asymmetric synthesis method for a chiral SPINOL derivate, comprising: using chiral phosphoric acid as a catalyst and reacting same with a compound ...  
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.  
WO/2018/084749A1
The invention relates to the chemistry of medical compounds, and particularly to a group of chiral conjugates (optically active hybrid molecules) of oligo-ether polyol structure, which are inhibitors of ATP-dependent reverse transporters...  
WO/2018/065341A1
Disclosed is a method for preparing an ultraviolet radiation absorbing polymer composition comprising the polymer compound of formula in an esterification / transesterification which method comprises the steps of reacting a polyglycerol ...  
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...  
WO/2018/064539A1
A method includes receiving a base raw material at a system. The base raw material is converted to synthesis gas. The synthesis gas is conditioned to remove moisture and carbon dioxide. One or more methoxy compounds are produced from met...  
WO/2018/051996A1
The purpose of the present invention is to provide a method for removing a 2-alkoxyethanol from a mixture containing the 2-alkoxyethanol and a (2-alkoxyethyl) vinyl ether easily and efficiently while preventing the decrease in yield of t...  
WO/2018/051716A1
The present invention addresses the problem of providing an organic solvent refining method with which it is possible to obtain an organic solvent having excellent stability and restrict the occurrence of defects in a semiconductor devic...  
WO/2018/042013A1
The present invention relates to a novel process for the synthesis of 9,9-bis(hydroxymethyl)fluorene. The syntheses from fluorene to 9,9-bis(hydroxy- methyl)fluorene via a hydroxymethylation and further to 9,9-bis(methoxymethyl)- fluoren...  
WO/2018/044824A1
The disclosure relates to the efficient preparation of aromatic hydrocarbons useful as intermediates for di-, tri-, tetra- and poly-dentate organophosphorus ligands having value in particular as hydroformylation catalysts. The use of tri...  
WO/2018/036848A1
The invention relates to a method for producing a vinyl compound by vinylating a starting compound having at least one primary or secondary amino group, at least one hydroxyl group, or at least one thiol group with acetylene, characteriz...  
WO/2018/031611A1
A process for the preparation of glycol ethers by providing a diethylene glycol ether column bottoms mixture comprising triethylene glycol ether, tetraethylene glycol ether, and glycol ether catalyst; separating, in a stripping column, t...  
WO/2018/023502A1
A method for extracting an elemicin from a pepper. The method uses a pepper leaf as a raw material, and comprises the following treatment steps: pulverizing then freezing the pepper leaf, followed by soaking in hot water; extraction step...  
WO/2018/021517A1
The present invention relates to a 4-alkoxy-3-(trifluoromethyl)benzyl alcohol production method with which it is possible to achieve a higher conversion rate and to closely control the generation of by-products by using DIBAL as a reduci...  
WO/2018/022766A1
The present disclosure relates to processes for the removal of paraffins. The processes generally include providing a C4 containing stream including isobutyiene, 1 -butene, 2-butene, n- butane and isobutane, introducing the C4 containing...  
WO/2018/019724A1
A method for the hydrodehalogenation of a halofluoroether (HaloFE) having general formula (l-A) or (l-B): (I-A) RfO-CRf'X-CRf"Rf"'X' wherein - Rf represents a C1-C6 perfluoroalkyl or a C1-C6 perfluorooxyalkyl group; - Rf', Rf" and Rf'", ...  
WO/2018/019436A1
The present invention relates to a process for preparing a partially hydrogenated polyacene, and a novel intermediate used in such process; also the present invention relates to a process for preparing the corresponding conjugated polyac...  
WO/2018/016126A1
A method for preserving, in an oxygen (O2) or inert gas atmosphere in an airtight container, an α,α-difluoroacetaldehyde alkyl hemiacetal represented by the formula in a gas-liquid state comprising a gas phase and a liquid phase, chara...  
WO/2018/011142A1
The invention pertains to a method for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HaloFE) having general formula (l-A) or RfO-CRf'X-CRf"Rf"'X' (l-A) wherein Rf represents a C1-C6 perfluoro(oxy)a...  
WO/2018/013229A1
Methods and systems or devices for synthesis of dimethyl ether (DME) from carbon dioxide and hydrogen are provided. A high surface area hollow fiber catalytic membrane reactor such as with hollow fibers coated with a water permeable memb...  
WO/2018/000734A1
Disclosed is a method for promoting methylation of a lignin model compound benzyl alcohol by applying microwaves. The method includes adding 1 part by weight of a lignin model compound containing a benzyl alcohol and 0.005-3 parts by wei...  
WO/2018/004992A1
Herein disclosed is a method of producing dimethyl ether (DME) comprising introducing one or more feed streams comprising methane and carbon dioxide into a reformer to generate synthesis gas; and converting synthesis gas to DME in one st...  
WO/2018/004993A1
Herein disclosed is a method of reducing greenhouse gas (GHG) emission comprising introducing one or more feed streams into a reformer to generate synthesis gas; and converting synthesis gas to dimethyl ether (DME). In some cases, the re...  
WO/2018/005191A1
Disclosed are processes and systems for removing water and salt from a polyether polyol that employs a combination of at least atmospheric distillation, filtration, and vacuum distillation.  
WO/2017/206693A1
An organic amine salt compound having the general formula (I): An-[Bm+]p. In the formula, An- is anions having -n valence serving as CO2 donors, wherein n = 1, 2, or 3; Bm+ is or contains: ammonium ions, hydrazine ions and/or organic ami...  
WO/2017/210165A1
The production of solvents for applications such as heat transfer, cleaning, and degreasing, for example. In particular, the production of solvents derived from 1-chloro-3,3,3-trifluoro-propene, such as chloro and/or fluoro substituted a...  
WO/2017/209297A1
A compound represented by general formula (2) [wherein R1 and R2 are as defined above; and X represents a halogen atom] is reacted in the presence of a palladium catalyst and a base. In this manner, it becomes possible to synthesize a tr...  
WO/2017/208973A1
Provided is a method for producing an alcohol represented by general formula (2), comprising reacting a phenol represented by general formula (1) with an alkylene carbonate in the presence of at least one compound selected from the group...  
WO/2017/202277A1
Provided is a method for preparing 2-hydroxyl-4-(2, 3-disubstituted benzyloxy)-5-substituted benzaldehyde derivative represented by formula (I). The method comprises the following steps: (1), preparing 2-substitution-3-aryl toluene deriv...  
WO/2017/200073A1
Provided are a method for producing an alcohol compound represented by formula (1) wherein the method includes, in this order, a step (i) for preparing a solution including an alcohol compound represented by formula (1), aromatic hydroca...  
WO/2017/197857A1
The present invention relates to the technical field of chemical engineering and catalysis. Provided are an application of an ionic liquid in propylene glycol ether synthesis and a method for synthesizing a propylene glycol ether. The io...  
WO/2017/178513A1
The present invention relates to a method for preparing monomers via depolymerisation from lignocellulose-containing biomass.  
WO/2017/174443A1
The invention relates to trimethylolpropane derivatives (I), which can be obtained in that, in a first step, compositions (II) are reacted with (meth)acrylic acid (III), wherein the compositions (II) are compositions that can be obtained...  
WO/2017/174272A1
The invention relates to a method for processing base-catalysed alkoxylation products using sulphonic acid ion exchangers, comprising the steps of providing a mixture containing the base-catalysed alkoxylation product to be processed, al...  

Matches 101 - 150 out of 14,874