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Matches 1 - 50 out of 21,607

Document Document Title
WO/2019/052236A1
The present invention pertains to the field of fine chemicals and related chemical technologies and provides a preparation method for a butadiene derivative. Phenylacetylene and derivatives thereof are used as raw materials and react in ...  
WO/2019/054148A1
A fluorine-containing ether compound which is represented by R1-R2-CH2-R3-CH2-R4-R5. (In the formula, R3 represents a perfluoropolyether chain; each of R1 and R5 independently represents an optionally substituted alkyl group, an organic ...  
WO/2019/046931A1
Compounds of general formula IA, IB and IC outlined below, including pharmaceutically acceptable salts, solvates and hydrates thereof. Such compounds and pharmaceutical compositions comprising them may be used in medical conditions invol...  
WO/2019/048544A1
The present invention relates to the use of a compound of the general formula (I) wherein R1 is C1-C4-alkyl or -(C=0)-R3, R2 is hydrogen, C1-C4-alkyl or -(C=0)-R4, and R3 and R4, independently of one another, are selected from the group ...  
WO/2019/049585A1
Provided is a fluorinated ether compound represented by formula (1). (1): R1-R2-CH2-R3-CH2-R4 (In the formula (1), R1 is an alkyl group optionally having a substituent, R2 is a divalent linking group linked to R1 via etheric oxygen, R3 i...  
WO/2019/043060A1
The present invention relates to binaphthyl compounds of the formula (I), which are suitable as monomers for preparing polycarbonate resins having beneficial optical properties and which can be used for producing optical lenses: Formula ...  
WO/2019/043238A1
The present invention concerns a process and intermediates for the manufacture of difluoro acetyl chloride. The invention further concerns a process for the manufacture of an agrochemically or pharmaceutically active compound, which comp...  
WO/2019/044914A1
The present invention addresses the problem of providing a drug solution purification method with which it is possible to obtain a drug solution exhibiting excellent impairment suppression performance. The present invention also addresse...  
WO/2019/037768A1
A process the dehydration of methanol to dimethyl ether in the presence of a solid Brønsted acid catalyst selected from aluminosilicate zeolites which have a maximum free sphere diameter of greater than 3.67 Angstroms and heteropolyacid...  
WO/2019/039666A1
A molten steel manufacturing facility according to an embodiment of the present invention comprises: a molten steel manufacturing apparatus having a melting gasification furnace for melting reduced steel to manufacture molten steel; and ...  
WO/2019/037766A1
A process for dehydrating methanol to dimethyl ether product in the presence of a solid Brønsted acid catalyst which is an aluminosilicate zeolite or a heteropolyacid and a promoter which is (i) a ketone of formula R1COR2 (Formula I) in...  
WO/2019/037769A1
A process for dehydrating methanol to dimethyl ether in the presence of an 2-dimensional aluminosilicate zeolite of maximum free sphere diameter of greater than 4.70 Angstroms, and a promoter of Formula I CnH(2n+1)CO2CH3 wherein n = 1 to...  
WO/2019/039565A1
The present invention addresses the problem of providing a bisphosphite compound that achieves higher target product selectivity while maintaining a high reaction rate. The present invention relates to a dihydroxybiphenyl compound repres...  
WO/2019/037760A1
A process for dehydrating methanol to dimethyl ether product in the presence of an aluminosilicate zeolite catalyst and a promoter selected from (i) aldehyde of formula R1CHO (Formula I) in which R1 is hydrogen, a C1-C11 alkyl group or a...  
WO/2019/037862A1
The invention relates to organosulphur compounds which can be obtained from rose oxide, to methods for producing said organosulphur compounds and their use as odorants, flavourings or constituents of odorant mixtures and the products der...  
WO/2019/034149A1
Disclosed is the use of a quaternary phosphonium salt compound as a catalyst for preparing a catalyst for propylene glycol phenyl ether. Also provided is a method for synthesizing propylene glycol phenyl ether by mixing phenol and a quat...  
WO/2019/030643A1
The present invention provides cyclic and acyclic derivatives of eugenol that exhibit antileishmanial activity against promastigote and amastigote forms of L. donovani.  
WO/2019/030122A1
The present invention relates to odorous 2- and/or 3-substituted 3-(allyloxy)propenes which are useful as fragrance or flavor ingredients in particular in providing green, fruity, pear and/or waxy olfactory notes. The present invention a...  
WO/2019/025535A1
The present invention in general relates to a method for the deacylation and/or dealkylation (both O-dealkylation as well as C-dealkylation) of compounds, more specifically of aromatic compounds. The method is characterized by contacting...  
WO/2019/020029A1
Disclosed are a gem-difluoroethyl substituted stilbene and diphenylethane derivatives, and a preparation method therefor and the use thereof. The present invention conducts a chemical structure modification with a gem-difluoroethyl at th...  
WO/2019/019481A1
The present invention provides a low polarity resin, and a preparation method therefor and the use thereof. The low polarity resin has a structure as shown in formula I and is based on a phenolic compound or resin, and prepared by a thre...  
WO/2019/019482A1
The present invention provides a low polarity resin, and a preparation method therefor and the use thereof. The low polarity resin has a structure as shown in formula I and is based on a phenolic compound or resin, and prepared by a thre...  
WO/2019/020726A1
The invention discloses a method for preparation of alkylated, fluoro alkylated, chloro alkylated and fluorochloro alkylated compounds by a heterogeneous Co-catalysed alkylation or fluoro, chloro and fluorochloro alkylation with alkyl ha...  
WO/2019/020026A1
Disclosed are a difluoromethoxy diphenylethane and trans-stilbene derivatives, and a preparation method therefor and the use thereof. The present invention conducts a chemical structure modification with a difluoromethoxy group at the 4'...  
WO/2019/016115A1
The present invention relates to a process for providing substituted aryl ketones.Furthermore, the invention relates to intermediates of said process and the use of substituted aryl ketones obtained by the inventive process for the prepa...  
WO/2019/016314A1
The present invention relates to an improved method for producing 3,7-dimethyl- 9-(2,6,6-trimethyl-1 -cyclohexen-1 -yl)-nona-2E,7E-dien-4-yne-1,6-diol.  
WO/2019/016710A1
Systems and methods for producing propylene using an MTBE synthesis raffinate are disclosed. An MTBE synthesis raffinate stream first passes through a molecular sieve to separate n-butane and isobutane from the rest of C4 hydrocarbons of...  
WO/2019/015638A1
Provided is a Ziegler-Natta type catalyst system for olefin polymerization comprising at least one compound of formula (I) as (i) an internal electron donor, (ii) an external electron donor, or (iii) both, wherein M 1, M 2, M 3, M 4, M 5...  
WO/2019/013299A1
The present invention provides a thermally conductive material that has excellent thermal conductivity. The present invention also provides: a device that is provided with a thermally conductive layer that includes the thermally conducti...  
WO/2019/012166A1
Compounds with a drimenyloxyarene structure and derivatives, and the use thereof to treat infections caused by phytopathogenic fungi, as fungistatic agents with a low ecological impact. The present invention comprises compounds with the ...  
WO/2019/009157A1
[Problem] Conventional polymerization inhibitors are used to capture radicals generated, for example, during storage of a radical polymerizable compound, thus allowing the radical polymerizable compound to be safely handled. However, the...  
WO/2019/004021A1
The purpose of the present invention is to control the alignment of liquid crystal molecules of a liquid crystal display element not having an alignment film, by using a non-colored alignment-control-layer-forming monomer, and to provide...  
WO/2019/002503A1
A process for making ortho alkoxy bisphenol monomers includes contacting an (alk-1-enyl)alkoxyphenol (type 1) with an alkoxyphenol (type 2) in the presence of an acidic catalyst. Both type of renewable phenols (type 1 and 2) can be gener...  
WO/2019/004693A1
The present invention relates to a method for preparing an N-glycoside compound from an alkoxyallene compound using a metal catalyst regioselectively and stereoselectively. According to the method for preparing an N-glycoside compound ac...  
WO/2019/001473A1
Provided are a dendritic polyglycol derivative, a preparation method therefor, and an application thereof. The dendritic polyglycol derivative has a structure of formula (I), a plurality of terminal functional groups, and better water so...  
WO/2018/232777A1
A synthesis method for an aromatic compound containing a difluorodeuteromethoxy functional group or a difluorodeuterothio functional group. In the presence of an alkali, a difluorocarbene donor and Ar-(XH)n and heavy water undergo a reac...  
WO/2018/233498A1
The invention relates to a method for preparing ethylene glycol ether, comprising passing an oxalate of formula (I) through a catalyst section comprising a catalyst as follows: A) copper-based catalyst A for hydrogenation of the oxalate,...  
WO/2018/231691A1
Provided is a synthesis process for (S,S)-secoisolariciresinol diglucoside and (R,R)-secoisolariciresinol diglucoside.  
WO/2018/230394A1
Provided is a method for producing alcohols represented by formula (1), which sequentially comprises in the following order: a step (i) for obtaining a bisnaphthol compound represented by formula (2) by reacting 9-fluorenone and naphthol...  
WO/2018/214630A1
The present invention relates to a stable crystal form, i.e. form A, of 2-tert-butyl-4-methoxyphenol, and to a new preparation method for the 2-tert-butyl-4-methoxyphenol; and the use of the 2-tert-butyl-4-methoxyphenol and the stable cr...  
WO/2018/216777A1
Provided is a method for producing fluorine-containing ether compositions with which can be produced, in good yields, fluorine-containing ether compounds that are suitably used for surface treatment agents and which are useful as interme...  
WO/2018/211457A3
A method includes combining first components including at least one of CF2=CF-CF2-OSO2Cl or CF2=CF-CF2-OSO2CF3, a polyfluorinated compound having at least one ketone or carboxylic acid halide, and fluoride ion to provide a compound compr...  
WO/2018/211457A2
A method includes combining first components including at least one of CF2=CF-CF2-OSO2Cl or CF2=CF-CF2-OSO2CF3, a polyfluorinated compound having at least one ketone or carboxylic acid halide, and fluoride ion to provide a compound compr...  
WO/2018/212176A1
[Problem] To provide a photopolymerization sensitizer which gives a practically sufficient photocuring rate without arousing the problem wherein additives including a photopolymerization sensitizer bleed out to the surface during photocu...  
WO/2018/203179A1
The present disclosure describes an integrated process to produce MTBE and EO/MEG from isobutane, oxygen, and ethylene streams. The isobutane is oxidized to produce TBHP, which is then used in an epoxidation reaction with ethylene to pro...  
WO/2018/197807A1
The present invention relates to novel compounds of formula (I) : in which: X is CHR2, O, OCO or CH=CH; Y is O, COO or OCOO; R1 is H or (CH2)PCH3; R2 is a phenyl group or H; m = 12-18; n = 0-14; p = 12-18; and on the condition that, when...  
WO/2018/197324A1
The present invention refers to a process for reacting an alkyl aryl ketone obtaining thereby the corresponding aryl oxirane or α-functionalized alkyl aryl ketal, the aryl oxirane or α-functionalized alkyl aryl ketal obtained by the pr...  
WO/2018/192652A1
The invention primarily relates to the use of 1,1-dimeth/ethoxynon-3-in as a fragrance. The invention also relates to novel fragrance compositions comprising 1,1-dimeth/ethoxynon-3-in and to the use thereof, to perfumed articles comprisi...  
WO/2018/194429A1
The present invention provides a method for preparing high-purity 2-ethylhexyl glycerol ether, wherein 2-ethylhexyl glycerol ether as a hydrolysis product is maintained within a proper amount range in water used in a hydrolysis reaction ...  
WO/2018/189016A1
The present invention deals with low volatile organic compound anti-oxidation stabilizers for polymeric systems, their production and use.  

Matches 1 - 50 out of 21,607