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JP6830617B2 |
Disclosed is a polyarylene sulfide resin having a main chain including a structural unit represented by general formula (1.1). No absorption peak derived from the S=O stretching vibration of a sulfonyl group is observed in the infrared a...
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JP6823060B2 |
Here, the substituents are radicals such as alkyl and substituted phenyl.
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JP6795798B2 |
To provide a method of recovering high-purity dimethyl sulfoxide.A method of recovering dimethyl sulfoxide includes the process in which 100 pts.wt. of dimethyl sulfoxide in a dimethyl sulfoxide solution containing acrylonitrile is mixed...
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JP2020531484A |
The cyclopropaneation method involves reacting an alcohol, ester, or aldehyde with a sulfone in an organic solvent containing a base that provides a countercation to form cyclopropane, and isolating cyclopropane. Including. When using al...
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JP6779472B2 |
To provide a method for preventing the coloration of dimethyl sulfoxide.The present invention provides a method for preventing the coloration of a solution in which a polyvinyl chloride resin is dissolved in dimethyl sulfoxide. When the ...
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JP2020530001A |
The present invention has a novel formula (I).For compounds of formula (where X represents a halogen atom selected from the group consisting of fluorine, chlorine, bromine and fluorine), this is in formula (III).(In the formula, X is as ...
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JP6748925B2 |
The present invention is a method for purifying dimethyl sulfoxide, including distilling a dimethyl sulfoxide-containing liquid in the presence of sodium carbonate in an inert gas atmosphere to distill out dimethyl sulfoxide, in which th...
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JP6732008B2 |
The present invention provides oxalic amide ligands and uses thereof in copper-catalyzed coupling reaction of aryl halides. Specifically, the present invention provides a use of a compound represented by formula I, wherein definitions of...
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JP6696507B2 |
with hydrogen peroxide in the presence of sodium tungstate and a saturated C8 carboxylic acid, then adding water to the resultant mixture, and separating the resultant solution.
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JP6697446B2 |
The invention relates to hydroxybenzophenone-based compounds of formula (I) that are used to improve UV, thermal, and thermo-oxidative stability of high performance aromatic polymers in a blend or as end-cappers of the same polymers.
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JP6664887B2 |
To provide a method for producing a trifluoromethylsulfonyl compound derivative useful as synthetic intermediates for medicines and agrochemicals.The method for producing a trifluoromethylsulfonyl compound derivative represented by formu...
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JP2020033336A |
To provide a novel method for producing an oxide of an organic compound.The method for producing an oxide of an organic compound includes a step of bringing the organic compound into contact with an oxidizing agent in the presence of a c...
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JP2020011904A |
To provide a production method of a clathrate compound, which is excellent in formation of a clathrate compound including a cyclodextrin compound as a host compound and diiodomethyl-p-tolylsulfone as a guest compound.A production method ...
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JP6631397B2 |
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JP6609924B2 |
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JP6597778B2 |
Compounds shown by formula (3): (in the formula, R1 represents a C1-C6 perfluoroalkyl group, R2 represents a C1-C6 alkyl group, and m represents any integer of 0-3) or salts thereof which are useful as production intermediates of pharmac...
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JP6597788B2 |
A compound represented by formula (3): (wherein R 1 represents a C1-C6 alkyl group optionally having one or more halogen atoms, R 2 represents a C1-C6 alkyl group, and m represents an integer of 0 to 3) can be produced by reacting a C1-C...
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JP6585347B2 |
A process for the manufacture of a haloaryl compound which comprises contacting a mixture of dihalodiarylsulfone isomers [mixture (M)] with sulfuric acid to provide a mixture of haloarylsulfonic acid isomers [mixture (M1)] and reacting m...
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JP6578116B2 |
To provide a method of efficiently producing monosubstituted(fluoroalkyl)ethylenes.The method comprises reacting a 1-chloro-2-(fluoroalkyl)ethylene with an organoboron compound under coexistence of an alkylphosphine coordinated palladium...
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JP2019135224A |
To provide iodocyclopropane compounds having novel chemical structures.Provided are iodocyclopropane compounds represented by formula (1). (R, R, and Rare each independently H or a C1-6 alkyl group; Ris a hydroxyl group, a C1-6 alkyl gro...
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JP2019135223A |
To provide an iodine alkylsulfonic compound having a novel chemical structure.There is provided an iodine alkylsulfonic compound represented by the following formula (1). In formula (1), Rrepresents an alkyl group having 1 to 20 carbon a...
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JP2019508390A |
The present invention relates to compounds of formula (I) and pharmaceutically acceptable salts thereof:(In the formula, R1, R2, R3, R4aAnd R4b(As defined herein), methods of their manufacture, pharmaceutical compositions containing them...
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JP6481689B2 |
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JP6444487B2 |
Provided is a small molecule compound as represented by structural formula (I). The product of the present invention in various concentrations and dosages can achieve an obvious change in the growth period of hairs, promoting the growth ...
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JP6435460B2 |
This invention provides, among others, curing agents of Formula II, methods for preparing these curing agents, prepreg materials, degradable cross-linked polymers and reinforced composites made from these curing agents and epoxy resins, ...
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JP2018193340A |
To provide a method of producing a sulfone compound from a sulfide compound efficiently with a high yield.A sulfone compound represented by general formula (2) is produced by optical oxygen oxidation of a sulfide compound represented by ...
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JP6426746B2 |
The present invention is directed to 4-methylsulfonyl-2-butenenitrile, or a pharmaceutically acceptable salt, an isomer, or isomers thereof. The present invention is also directed to a pharmaceutical composition comprising a pharmaceutic...
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JP6385428B2 |
The present invention relates to a process for oxidizing a sulfoxide to the respective sulfone, said process comprising reacting the sulfoxide with hydrogen peroxide in the presence of a catalyst, obtaining a mixture (M) comprising the s...
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JP2018135273A |
To provide a method for producing a sulfone compound from a sulfoxide compound with high efficiency and in high yield.A sulfoxide compound represented by general formula (1) is subjected to optical oxygen oxidation, in the presence of a ...
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JPWO2017064910A1 |
The present invention is a method for suppressing the decomposition of dimethyl sulfoxide by adding 0.0005 g to 2 g of sodium carbonate to 100 g of dimethyl sulfoxide in a liquid containing dimethyl sulfoxide under an inert gas atmospher...
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JP6360163B2 |
The present invention is directed to 3, 4-bis-benzylsulfonylbutanenitrile, or a pharmaceutically acceptable salt, an enantiomer, or enantiomers thereof. The present invention is also directed to a pharmaceutical composition comprising a ...
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JP2018518489A |
The present invention relates to a method for preparing 1- (3-ethoxy-4-methoxy-phenyl) -2-methanesulfonyl-ethylamine of formula (II), its division and its use in the preparation of apremilast of formula (I), of apremilast. Regarding the ...
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JP2018516952A |
Methods for preparing diaryl sulfones, such as 4,4'-dichlorodiphenyl sulfone, are disclosed. The method comprises contacting an aryl compound with sulfur trioxide to prepare benzenesulfonic acid. This benzenesulfonic acid is coupled with...
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JP6347460B2 |
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JP6347948B2 |
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JP6348904B2 |
Compounds according to Formula I are provided: and salts thereof, wherein Q1, Q2, R3, R4, X, and Y are as defined herein. Methods for preparing compounds of Formula I are also provided, as well as methods of treating cellular proliferati...
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JP6315871B2 |
The present invention relates to a process for producing an allyl-substituted bisphenol compound including a step of subjecting a diallyl etherified bisphenol compound represented by the following general formula (I) to a thermal rearran...
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JP6312603B2 |
The present invention relates to a process for the asymmetric oxidation of organic compounds, particularly metal-free, with peroxide compounds in the presence of a chiral Brønsted acid catalyst. In one detail, the present invention rela...
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JP6309531B2 |
A process for producing dimethyl sulfoxide, wherein said process comprises the following steps: (1) contacting hydrogen sulfide with methanol to produce a mixture containing dimethyl sulfide, and separating dimethyl sulfide from the mixt...
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JP6298388B2 |
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JP6282005B2 |
To provide an improved optical oxygen oxidation method for an organic compound in which reaction can be progressed by high speed and efficiency, and also, the use of a photosensitizer can be reduced or made needless.Provided is an improv...
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JP2018016000A |
To provide a heat-sensitive recording material capable of forming an image part which causes little ground fogging and has good color developing properties and excellent preservability (especially alcohol resistance and water resistance)...
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JP6266420B2 |
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JP6266453B2 |
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JP2018008880A |
To provide a manufacturing method of an industrially preferable optical active sulfoxide derivative.There is provided a manufacturing method of an optical active sulfoxide derivative represented by a formula (1), including reacting a sul...
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JP6254075B2 |
The present invention relates to compounds useful in the modulation of potassium channel activity in cells, in particular the activity of Kv1.3 channels found in T cells. The invention also relates to the use of these compounds in the tr...
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JP2017214333A |
To provide a method for inhibiting decomposition of dimethyl sulfoxide when using dimethyl sulfoxide as a solvent for dissolution or spinning of a vinyl chloride polymer.Provided is a method for inhibiting decomposition of dimethyl sulfo...
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JP6239458B2 |
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JP6235286B2 |
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JP6197721B2 |
To produce a nitrile compound represented by formula (4), from a compound represented by formula (1), with a less number of steps.This invention provides a method of producing a nitrile compound represented by formula (4) in which a comp...
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