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Matches 1 - 50 out of 7,667

Document Document Title
WO/2021/064312A1
The present invention concerns a method for sulfhydrolysis from dialkyl sulfides and hydrogen sulfide, in the presence of a specific catalyst based on titanium dioxide and/or zirconium dioxide, as well as the corresponding use of such a ...  
WO/2021/060517A1
The present invention provides a novel method for producing a derivative of an organic substance that contains one or more groups selected from the group consisting of a sulfanyl group, a selanyl group and a sulfino group. A method for p...  
WO/2021/052268A1
A magnolol derivative, and a preparation method therefor and an application thereof. The magnolol derivative has a structure as shown in formula (1). The magnolol derivative has good water solubility, is colorless and transparent after b...  
WO/2021/054268A1
The present specification discloses a method for producing a concentrated carbonate aqueous solution. The present invention relates to a method for producing a concentrated carbonate aqueous solution, comprising a step of dewatering an a...  
WO/2021/047928A1
A process for removing acid gases from a fluid stream, wherein the fluid stream is contacted with an absorbent to obtain a treated fluid stream and a laden absorbent, the absorbent comprising at least one diluent and a compound of the ge...  
WO/2021/046234A1
The present disclosure provides processes for preparing an alpha-hydroxy ester from the corresponding alpha-hydroxy acid by transesterification. Also provided are alphahydroxy esters prepared according to processes disclosed herein and c...  
WO/2021/042814A1
Disclosed are an alkyl thioether ethyl hydroximic acid beneficiation agent, a preparation method therefor and a use thereof. The alkyl thioether ethyl hydroximic acid molecule has two functional groups, i.e. a thioether group and a hydro...  
WO/2021/042411A1
Disclosed are an AKR1C3 inhibitor or a pharmaceutically acceptable salt of same, a preparation method for same, and uses thereof. A structural optimization is performed with a nonsteroidal anti-inflammatory medicament, flurbiprofen, serv...  
WO/2021/043188A1
Provided in the present disclosure is a mixture, comprising: 86-89 wt% of a methionine hydroxy analog and an oligomer thereof, more than 99.95 wt% being a monomer, dimer and trimer, and the ratio of monomer:dimer:trimer by weight being 7...  
WO/2021/027933A1
The embodiment of the present invention relates to the field of the synthesis of mercapto compounds, in particular to a method for preparing 3-mercaptopropionic acid. The preparation method provided in the present invention comprises: mi...  
WO/2021/027202A1
A chelating anti-oxidation stabilising agent, a preparation method therefor, and an application thereof in macromolecular material, playing a dual protective role. The preparation method comprises: (1) adding compound 1 and epichlorohydr...  
WO/2020/258660A1
The present application relates to a crystal form of a valnemulin hydrochloride hydrate, a preparation method therefor, and a pharmaceutical composition containing the crystal form. Specifically, the present application relates to a crys...  
WO/2020/262455A1
The present invention provides a means for increasing the solubility of even a poorly soluble amino acid without changing to an expensive peptide and also without changing the pH, and is characterized in that at least two kinds of amino ...  
WO/2020/257870A1
The present invention relates to TLR2 agonist compounds and their compositions, and the use of such compounds and compositions in the prevention and/or treatment of respiratory infections, or diseases or conditions associated with viral ...  
WO/2020/254403A1
The invention relates to a single cycle process for preparing D,L-methionine from an alkali methioninate solution obtained by alkaline hydrolysis of 5-(2-methylmercaptoethyl)hydantoin, in which the D,L-methionine is obtained by neutraliz...  
WO/2020/249120A1
Disclosed is the use of aminothiol compounds as a cerebral nerve or heart protective agent, in particular in the prevention and/or treatment of cardiovascular and cerebrovascular diseases, such as heart and cerebral ischemia/reperfusion ...  
WO/2020/251012A1
Provided is are an agricultural and horticultural agent, in particular a compound which is useful as the active ingredient of an agricultural and horticultural pest control agent, a mite control agent, a nematode control agent or a disea...  
WO/2020/249495A1
The present invention relates to a process for the preparation of methionine comprising the step of contacting a solution or suspension comprising 2-amino-4-(methylthio)butanenitrile and/or 2-amino- 4-(methylthio)butaneamide with water i...  
WO/2020/243986A1
The present invention relates to a fluorine-containing alternating copolymer macromonomer and a synthesis method therefor. The method comprises the following steps: carrying out a reduction reaction on a fluorine-containing alternating c...  
WO/2020/237313A1
A process for harvesting and preparing green garlic leaves and shoots ( green tops) for the production of ajoene and garlic oil for use in medicine and foods, the method including the steps of garlic green top separation from bulbs durin...  
WO/2020/238862A1
The present invention provides a fluorene initiator, a photocurable composition comprising same, and an application thereof. The fluorene photoinitiator has a structure represented by formula (I) or formula (II). In the photoinitiator, o...  
WO/2020/229393A1
A process for the synthesis of compounds comprising at least one non-cyclic carbonate group is provided, wherein a compound A) comprising at least one five-membered cyclic monothiocarbonate group is reacted with at least one hydroxy grou...  
WO/2020/221607A1
A process to produce a mono vinyl thioether by reacting acetylene with a compound comprising one thiol group and one hydroxy group, hereinafter referred to as thiol-hydroxy compound, wherein the reaction is performed at a pressure below ...  
WO/2020/223035A1
Processes for removing carbon disulfide from product streams containing a sulfide compound are performed by contacting the product stream with an alkanolamine and converting the carbon disulfide to a higher boiling point product, thereby...  
WO/2020/216873A1
Provided is a process for the synthesis of a compound with at least one alkylene group and at least one thiol or thiolate group, wherein a compound with at least one five-membered cyclic monothiocarbonate group is reacted with a starter ...  
WO/2020/201412A1
The invention relates to a method for preparing a compound of formula (I) [Chem I], in which X is chosen among S, Se; R1 is chosen from among the alkyl, aryl, alkylaryl and heteroaryl groups, optionally carriers of one or more function, ...  
WO/2020/187155A1
Use of an apocynin dimer analogue derivative in preparing a medicament or a health care product for preventing and treating Parkinson's disease. The structure of the apocynin dimer analogue derivative is as shown in formula I. The apocyn...  
WO/2020/185513A1
Processes for making reactive surfactants are disclosed. In one such process, a fatty epoxide, a glycidyl ether, or a combination thereof is reacted with an olefin-functional nucleophile to produce an olefin-functional hydrophobe. The ol...  
WO/2020/168385A1
The present invention relates to a method of preparing N-acyl amino acids selected from N-acyl cysteine compounds, N-acyl serine compounds, N-acyl aspartic acid compounds and N-acyl glutamic acid compounds. The present invention also rel...  
WO/2020/161074A1
The invention refers to the use of a particulate catalyst containing 60.0 to 99.5 wt.% ZrO2 stabilised with an oxide of the element Hf and at least one oxide of the element M, wherein M = Ce, Si, Ti, or Y, for the hydrolysis reaction of ...  
WO/2020/161067A1
The present invention relates to a process for the preparation of methionine comprising the step of contacting a solution or suspension comprising 2-amino-4-(methylthio)butanenitrile and/or 2-amino-4-(methylthio)butaneamide with water in...  
WO/2020/156992A1
The present invention relates to a catalyst comprising or consisting of a support and from 5 to 20 wt.- % of a promoter, based on the total weight of the catalyst, wherein the support comprises or consists of titanium dioxide, zirconium ...  
WO/2020/148510A1
The invention relates to a process for preparing a compound of formula RSH in which R represents an alkyl group, by gas-phase catalytic reaction of hydrogen sulfide with a compound of formula ROH in the presence of a solid catalyst; in t...  
WO/2020/148509A1
The invention relates to an agent for initiating a radical addition reaction, comprising or consisting of a persulfate and one or more transition metals, in elemental form or in an oxidized form, and to a process for preparing a compound...  
WO/2020/145111A1
An objective of the present invention is to provide: a novel thiol compound; a method for synthesizing said thiol compound; a curing agent containing said thiol compound; a resin composition containing said thiol compound and an epoxy co...  
WO/2020/102051A8
The invention provides novel methods for preparing a compound of formula (IIA) or (IIB) by chlorination using cyanuric chloride, as well as the use of said compounds to provide indolinobenzodiazepine dimer compounds.  
WO/2020/120720A1
The present invention pertains to a method for producing methionine or salts or derivatives thereof from hydrogen cyanide (HCN), the method comprising a step of producing 2-hydroxy-4-(methylthio)butyronitrile (MMP-CN), or a crude product...  
WO/2020/114376A1
The present invention provides a preparation method for a chemical intermediate 2,2'-dithiocarbamides compound. A 2-position substituted benzamides compound is reacted with a sulfur reagent in an aprotic solvent of a high boiling point u...  
WO/2020/115037A1
The present invention relates to a sulphur-containing polyester obtainable by a process comprising esterification reactions between a polyol and a carboxylic acid and a thiolactic acid, or by a process comprising an esterification reacti...  
WO/2020/109132A1
A radiation curable inkjet ink comprising a polymerizable compound and a photoinitiator, characterized in that the photoinitiator comprises a functional group selected from the group consisting of an aliphatic thio-ether and an aliphatic...  
WO/2020/104589A1
The invention relates to the use of a chemical compound of formula (I), certain compositions containing 3-methylthiopropionaldehyde, 3-methylthio-1,1-propanediol, a compound according to formula I and water, also: methods for the product...  
WO/2020/102051A1
The invention provides novel methods for preparing a compound of formula (IIA) or (MB) by chlorination using cyanuric chloride, as well as the use of said compounds to provide indolinobenzodiazepine dimer compounds.  
WO/2020/088060A1
Provided by the present invention are a method and device for preparing 2-hydroxy-4-methylthiobutyric acid and intermediates thereof; the intermediates for preparing 2-hydroxy-4-methylthiobutyric acid comprise 3-methylthiopropionaldehyde...  
WO/2020/090658A1
The present invention provides a method for synthesizing a contiguous tetrasubstituted carbon imine compound such as a non-natural amino acid having α, β-contiguous tetrasubstituted carbon atoms, which has an extreme steric hindrance. ...  
WO/2020/084094A1
The present invention relates to a process for preparing a nitrated compound, comprising the step of reacting a compound (A) comprising at least one substituted or unsubstituted aromatic or heteroaromatic ring, wherein said heteroaromati...  
WO/2020/083018A1
A method for preparing a sulfur-containing biphenyl compound as shown in the general formula (I), the reaction formula aa being as shown in the specification. The method for coupling reaction under the combined action of metal and zinc u...  
WO/2020/079541A1
The present invention provides a process for elafibranor, the process comprising reacting compound of formula II or the compound of formula III with a compound of formula IV. The present invention also involve purification of elafibranor...  
WO/2020/069860A1
The invention relates to a process for preparing methionine amide by hydrolyzing methionine nitrile in the presence of 0.5 to 1.5 molecular equivalents of a ketone as a carbonyl-containing catalyst and of 0.03 to 0.10 molecular equivalen...  
WO/2020/069862A1
The invention relates to a process for preparing α-amino acid amide, especially methionine amide, by hydrolyzing the corresponding α-amino acid nitrile, especially methionine nitrile, in the presence of a ketone and guanidine as a cata...  
WO/2020/069859A1
The invention relates to a process for preparing α-amino acid amide, especially methionine amide, by hydrolyzing the corresponding α-amino acid nitrile, especially methionine nitrile, in the presence of a ketone and a secondary amine a...  

Matches 1 - 50 out of 7,667