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JP2023133254A |
To provide an improved process for producing 1,7-dimercapto-3,5-dioxaheptane (DMDH) and oligomer mixtures thereof that avoid production safety, cost and environmental issues; and a method for preparing mercapto group-terminated liquid po...
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JP7345476B2 |
A (meth)acrylate includes a reaction product of a thiol compound containing two or more thiol groups, and a (meth)acrylate compound containing two or more (meth)acryloyloxy groups.
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JP2023126883A |
To provide novel thiol compounds and applications thereof, and specifically, novel thiol compounds, methods for synthesizing the thiol compounds, curing agents containing the thiol compounds, resin compositions containing the curing agen...
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JP2023535606A |
n equations (I) (where X is C2~C12-alkylene; or C1~C4-Alkoxy, C1~C4-C substituted with alkylthio and/or interrupted with O or S2~C12- is alkylene; R1, R2and R3are, independently of each other, hydrogen or C1~C4-alkyl; n is an integer of ...
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JP2023532781A |
The present invention provides a process for the production of 3-methylthiopropionaldehyde, comprising the steps of a) providing a liquid stream (1) comprising methyl mercaptan and/or a hemithioacetal formed from 3-methylthiopropionaldeh...
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JP2023532012A |
The present application presents a formula I provide a method for synthesizing the lipids of
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JP2023102679A |
To provide a crystalline form I of bucillamine and a purification method for preparing the crystalline form I of bucillamine.There is provided a purification method for preparing a crystalline form I of bucillamine, the method including:...
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JP2023529718A |
Continuous photochemical production of high-purity linear mercaptan- and sulfide-containing compositions.
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JP7303893B2 |
The invention belongs to the technical field of pesticides and specifically relates to an aryl sulfide containing a benzylamine structure, a synthesis method therefor, and an application thereof. The aryl sulfide is denoted as compound I...
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JP2023092552A |
To provide a method for producing a polycyclic compound including a spiro skeleton by a small number of steps, and a polycyclic compound with a regulated number of ring-constituting atoms (ring number).For example, as shown in a followin...
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JP7293560B2 |
Disclosed in the present invention are an aromatic vinyl or aromatic ethyl derivative, a preparation method therefor, an intermediate, a pharmaceutical composition, and an application. The aromatic vinyl or aromatic ethyl derivative in t...
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JP7290662B2 |
The invention relates to a process for preparing methyl mercaptan from a mixture of carbon oxide, hydrogen sulfide and hydrogen, in the presence of a catalyst based on molybdenum and potassium supported on zirconia, said catalyst not com...
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JP2023523978A |
A method for preparing N,N'-diacetyl-L-cystine disodium salt, comprising: (i) hydroxyalkane (between 0.5 and 100 L per mole of cystine, preferably 0.5 to (between 10 L, more preferably between 1 and 3 L, most preferably 1 L) with sodium ...
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JP2023523976A |
An effective method for producing N,N'-diacetyl-L-cystine ("NDAC") is a rapid, environmentally friendly, labor-intensive isolation of the product by yielding the desired ratio of products. or with improved yield and purity without the ne...
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JP2023080371A |
To provide a method for producing organic fluorine compounds that enables a thorough removal of sulfur-containing substances, or to provide an organic fluorine compound-containing composition that has a low content of sulfur-containing s...
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JP7280248B2 |
The present invention provides an amidite compound represented by formula (1) which enables a synthesis of RNA with high purity, and the method for preparing a polynucleotide by using the same compound. (In the formula (1), wherein R rep...
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JP7273332B2 |
To provide a novel production method for a fluorinated organic compound.Provided is a production method for a fluorinated organic compound (1) which involves a step A in which, in a liquid composition containing an organic solvent, IF5 i...
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JP2023046246A |
To provide a photosensitive composition hardly causing an excessive decrease in the weight of components in the composition or photosensitive composition (components other than a solvent if the composition or photosensitive composition c...
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JP7247335B2 |
A preparation method of a sulfur-containing biphenylsulfur-containing biphenyl compound shown by the general formula (I) has a reaction formula as follows:Each substituent in the formula is defined in the description. In the method, halo...
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JP7237820B2 |
The present provides a method for producing methionine which is characterized by a crystallization step in which carbon dioxide is introduced into a reaction solution containing an alkali salt of methionine which is obtained by hydrolyzi...
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JP7237821B2 |
The present invention provides a method for producing methionine which is characterized by comprising (1) a reaction step: a step of hydrolyzing 5-[2-(methylthio)ethyl]imidazolidine-2,4-dione in the presence of an alkali compound to obta...
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JP2023027103A |
To provide pharmaceutical compositions and methods for the treatment for cysteamine sensitive disorders.Provided is a pharmaceutical composition comprising compound 3 below, or a pharmaceutically acceptable salt thereof. Preferably, the ...
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JP7228325B2 |
An objective of the present invention is to provide: a novel thiol compound; a method for synthesizing the thiol compound; a curing agent containing the thiol compound; a resin composition containing the thiol compound and an epoxy compo...
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JP7220160B2 |
The present invention relates to a novel polyol or polythiol having three or more functional groups, a preparation method there for, and an optical body manufactured therefrom. Especially, the present invention relates to a poly(thio)ure...
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JP2023016704A |
To provide a platinum group-based hydrogenation catalyst having excellent durability and reactivity for a base compound having a functional group containing a catalyst poisoning atom such as a sulfur atom.A hydrogenation catalyst contain...
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JP2023502569A |
The present disclosure provides a method for making α-hydroxy esters by adding a vinyl Grignard reagent to an oxalate ester and thiolating the resulting double bond. Also provided are α-hydroxy esters and synthetic intermediates made a...
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JP7208976B2 |
The present invention aims to provide a method by which fluorine-containing sulfide compounds, particularly sulfide compounds that contain hydrogen and fluorine, can be produced in a simple, low-cost and industrial manner. Provided is a ...
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JP7208257B2 |
According to one embodiment, in producing polythiols in a manner similar to a conventional method, a polythiol having improved storage stability may be produced in a convenient manner by adjusting reaction conditions so as to prevent thi...
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JP7199917B2 |
To provide a novel thiol compound that has no ester bond in the molecule and gives a cured product having excellent hydrolysis resistance, a method for the synthesis of the thiol compound, a curing agent containing the thiol compound, a ...
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JP7194404B1 |
To establish an unprecedented new production method for D-luciferin and D-luciferin derivatives without using 2-cyano-6-hydroxybenzothiazole, which is multi-step and expensive. In the method for producing D-luciferin and D-luciferin deri...
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JP2022553182A |
The present invention relates to 1,1-disulfanediylbis(4-fluoro-2-methyl-1,1-disulfanediylbis(
4-fluoro-2-methyl- 5-nitrobenzene) (I).
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JP7181199B2 |
The present invention addresses the problem of providing a method for producing purified methionine, the method being capable of preventing the caking of methionine. The present invention pertains to a method for producing purified methi...
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JP7170040B2 |
The invention relates to a novel amino acid having a norbornene group and polypeptide comprising the novel amino acid compounds. The invention also relates to a method of producing polypeptides comprising a norbornene group and to the us...
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JP2022547299A |
A method for removing acid gases from a fluid stream comprising contacting the fluid stream with an absorbent to obtain a treated fluid stream and an absorbed absorbent, the absorbent comprising at least one diluent and the general formu...
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JP7168656B2 |
A method for producing an organic mercapto compound or an intermediate thereof according to the present invention has a reaction step of reacting an alcohol compound including a sulfur atom with a thioamide compound having a structure in...
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JP7167057B2 |
The invention relates to a method for producing, amongst other things, amino-acid and/or hydroxycarboxylic-acid metal chelates, a solvent-free mixture of at least one metal oxide, metal hydroxide, metal carbonate or oxalate, and the soli...
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JP7165509B2 |
To provide a method for producing isocyanate that suppresses a side reaction and continuously produces isocyanate.The present invention provides a method for producing isocyanate by pyrolysis of carbamate, the method including: a pyrolys...
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JP2022546018A |
The present disclosure provides methods for making α-hydroxy esters from the corresponding α-hydroxy acids by transesterification. Also provided are alpha-hydroxy esters made according to the methods disclosed herein, and compositions ...
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JP7163375B2 |
The present invention provides a compound of formula (I), formula (II), formula (III), (IV) or a salt thereof, compositions and methods of making the compound, methods and reagents for measuring the compound, and kits using the same. The...
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JP7163052B2 |
To provide a method of producing S-allylcysteine in a short time.A production method of S-allylcysteine, which includes a step of making allicin and L-cysteine coexist in a solvent under the presence of at least one kind selected from th...
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JP7150704B2 |
The present invention provides a method for producing methionine characterized by comprising a step of hydrolyzing 5-[2-(methylthio)ethyl]imidazolidine-2,4-dione in the presence of an alkali compound to obtain a reaction solution contain...
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JP7137969B2 |
To provide a process for producing (poly)thiol compound, in which the target (poly)thiol compound can be obtained in high yield, and furthermore the reaction time is shortened, and the by-products are reduced, resulting in excellent prod...
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JP7128808B2 |
The present invention provides a method for purifying carbon dioxide gas characterized in that carbon dioxide gas containing at least one of 3-methylmercaptopropionaldehyde and acrolein is contacted with activated carbon to remove at lea...
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JP2022537757A |
The present invention is a single-cycle process for producing D,L-methionine from an alkaline methionate solution obtained by alkaline hydrolysis of 5-(2-methylmercaptoethyl)hydantoin, comprising: with carbon dioxide at elevated temperat...
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JP7122046B2 |
The present invention provides a catalyst containing a Brønsted acid as a novel means capable of producing an amide compound by highly stereoselectively and/or highly efficiently causing an amidation reaction in a variety of substrates ...
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JP2022536170A |
The present invention relates to the production of methionine by contacting a solution or suspension containing 2-amino-4-(methylthio)butanenitrile and/or 2-amino-4-(methylthio)butanamide with water in the presence of a catalyst. A metho...
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JP2022116370A |
To provide a compound useful as an agricultural and horticultural agents, in particular, a pest control agent for agriculture and horticulture, an acarid pest control agent, a nematode control agent or a disease control agent.As an activ...
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JP2022110339A |
To provide a new method for producing α-(mercaptomethyl) acrylate that is useful as the raw material for pharmaceuticals and various resin compositions.A method for producing α-(mercaptomethyl) acrylate includes hydrolyzing Bunte salt ...
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JP2022110338A |
To provide a new method for producing α-(mercaptomethyl) acrylate that is useful as the raw material for pharmaceuticals and various resin compositions.A method for producing α-(mercaptomethyl) acrylate includes reacting α-(halogenome...
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JP2022109792A |
To provide an aqueous two-phase separation liquid allowing organic material to be separated efficiently, and an organic material separation method employing the aqueous two-phase separation liquid.An aqueous solution contains a carboxybe...
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