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WO/2023/175526A1 |
The present invention generally relates to a process for preparation of azabicyclo [3.1.0] hexane intermediate of Formula (I), an intermediate for preparation of certain antiviral compounds for example boceprevir and nirmatrelvir. Wherei...
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WO/2023/173717A1 |
The present invention relates to a preparation method for an intermediate compound acting as a posaconazole synthetic drug, and an intermediate compound prepared thereby. The preparation method for a compound of formula (I) provided by t...
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WO/2023/175524A1 |
PET depolymerization process wherein PET, a ionic liquid consisting of (2-hydroxyethyl)trimethylammonium argininate [Cho][Arg] and methanol are mixed together at a temperature ranging from -50 to 70°C. The weight ratio of PET to the ion...
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WO/2023/176687A1 |
The present invention addresses the problem of providing a novel dicarboxylic acid compound that has a further improved refractive index. The solution is to provide a biphenanthrene compound, represented by general formula (1), or an alk...
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WO/2023/173203A1 |
Provided herein is a method for a method for producing an ionizable amino lipid, or a pharmaceutically acceptable salt thereof, the method comprising a nucleophilic displacement of a leaving group L in a compound of Formula (II), wherein...
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WO/2023/177133A1 |
The present invention relates to a method for separating water from a mixture of PGME, PGMEA, and water, the method comprising: a reactor introduction step of introducing PGME and acetic acid into a reactor; a distillation column introdu...
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WO/2023/169863A1 |
The present invention relates to a process for preparing high purity (meth)acrylates, in particular hydroxyl-functional (meth)acrylates having high purity. The process employs at least one suitable reactor, an intermediate vessel, in whi...
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WO/2023/170360A1 |
The invention relates to a method for manufacturing a jet fuel comprising at least the steps of: a) providing ethyl esters of fatty acids resulting from the reaction of animal fats and/or used oils with methanol in a transesterification ...
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WO/2023/168562A1 |
Provided is a carbonate-containing unsaturated compound having a structure as shown in formula (I) or formula (II). The symbols in formula (I) and formula (II) are as defined in the description. Therefore, a carbonate compound is used as...
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WO/2023/169520A1 |
The use of an arylvinyl α-carbonyl acid ester compound (I) as a photoinitiator in LED photopolymerization and a preparation method therefor, which relate to the field of polymer photocuring, and are provided on the basis of the problems...
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WO/2023/169810A1 |
The present invention relates to a process for producing alkyl methacrylates (AMA), in particular methyl methacrylate (MMA), and alpha-hydroxyisobutyric acid alkyl esters (2-HIBSA), in particular alpha-hydroxyisobutyric acid methyl ester...
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WO/2023/170669A1 |
The invention relates to a composition comprising an unsaturated polyester dissolved in a monomer solution together with trinol (meth) acrylate, wherein the composition is essentially free of tribromoneopentyl alcohol ( TBNPA) of the for...
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WO/2023/167325A1 |
The present invention addresses the problem of developing a metal catalyst which is suitable for continuous flow organic synthesis reaction, is excellent in durability, and has high activity. The present invention provides an immobiliz...
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WO/2023/166004A1 |
The present invention relates to the field of organic synthesis and more specifically it concerns a process for preparing compound of formula (I). The compound of formula (III), the compound of formula (IV) and the compound of formula (V...
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WO/2023/165094A1 |
Disclosed in the present application are a hydroxypentyl benzoic acid diester compound, and a preparation method therefor and the use thereof. The principle of combination is used in the present application. On the one hand, the drug con...
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WO/2023/163035A1 |
Provided is an oligoester which is obtained by subjecting the following to an esterification reaction: component (A), a glycerin; component (B), a dicarboxylic acid having 2-12 carbon atoms; and component (C), one or more types of fatty ...
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WO/2023/160035A1 |
A β-elemene vinylation coupled derivative, and a preparation method therefor and the use thereof in the preparation of an antitumor drug. Provided are a β-elemene vinylation coupled derivative having a structure as represented by formu...
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WO/2023/163008A1 |
This resist composition contains a resin component (A1) having constituent unit (a01) expressed by formula (a0-1) and constituent unit (a10) expressed by formula (a10-1). R and Rx1 represent a hydrogen atom or the like; Y01, L01, and Yax...
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WO/2023/159959A1 |
The present invention relates to a preparation method for esterified alkane, comprising mixing gaseous alkane with oxygen or air to obtain a mixed gas, adding a chlorine-containing compound catalyst and/or a nitrogen-containing compound ...
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WO/2023/162998A1 |
The purpose of the present invention is to provide an iodo compound–containing liquid composition that has better photostability than conventional iodo compound–containing liquid compositions. According to the present invention, a ...
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WO/2023/163026A1 |
The purpose of the present invention is to provide a bisphenol production method in which, using a highly-versatile catalyst, a polycarbonate resin is decomposed with a high level of reactivity to produce bisphenol. Provided is a bisph...
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WO/2023/160805A1 |
Methoxy acetates according to formula (I) CH3O-CH2-COO-R1 (I) wherein R1 represents a linear or branched alkyl and/or alkenyl group having 4 to 8 carbon atoms. The compounds are characterized by fresh and fruity scent notes.
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WO/2023/163481A1 |
A method, according to one embodiment, depolymerizes waste polyester by means of a multi-step reaction, wherein a latter reaction is carried out at a low temperature, and ion exchange, etc., is further carried out, thereby enabling the p...
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WO/2023/155367A1 |
The present invention relates to the recycling of textiles, and in particular, to a method for recycling a blended fabric containing polyester. The method comprises: treating a starting material to be treated containing polyester, subjec...
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WO/2023/157862A1 |
Provided is a method for producing α-fluoroether starting from an inactivated chloride. Disclosed is a method for producing a compound represented by formula (3), the method comprising step A in which a compound represented by formula (...
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WO/2023/157770A1 |
A compound represented by general formula (2) is obtained by irradiating a reaction system containing a compound represented by general formula (1) and a palladium catalyst with microwaves, causing coupling of the compound represented by...
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WO/2023/147640A1 |
The invention generally refers to pharmaceutical uses of tetracyclic terpene 3-ols, as an example lanosta-8,24-dien-3-ol, bearing polar and/or charged moieties, as anti-inflammatory, anti-cancer and analgesic agents via the inhibition of...
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WO/2022/122814A9 |
The present invention relates to a process for the continuous preparation of (meth)acrylate by reacting an alcohol with (meth)acrylic acid using at lest one control unit which is closed-loop controlled by a sensor (S).
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WO/2023/149559A1 |
[Problem] The present invention provides a catalyst for hydrogenation reactions, the catalyst having excellent catalyst durability and being capable of selectively hydrogenating only some functional groups and/or unsaturated bonds of an ...
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WO/2023/143974A1 |
The present invention relates to a process for storing and/or transporting an ethylenically unsaturated compound, the ethylenically unsaturated compound being protected with a phenol against undesired radical polymerization.
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WO/2023/143939A1 |
The present invention relates to a method for storing and/or transporting an ethylenically unsaturated compound, wherein the ethylenically unsaturated compound is protected against undesired radical polymerization with a sterically hinde...
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WO/2023/143340A1 |
The present invention discloses 2-hydroxyethyl methyl terephthalate and a preparation method therefor. The preparation method mainly comprises: subjecting a recycled polyester to alcoholysis to obtain an aqueous 2-hydroxyethyl methyl ter...
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WO/2023/142600A1 |
The present invention relates to an ionizable amino lipid represented by formula (I) or a pharmaceutically acceptable salt thereof. The amino lipid can be used to deliver nucleic acids and small molecule drugs and has two ester bonds, wh...
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WO/2023/143158A1 |
The present invention relates to a phenol derivative, a crystal form thereof, and a preparation method therefor, in particular to a solid intermediate used for preparing the phenol derivative, and specifically provides a compound shown i...
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WO/2023/146975A1 |
Disclosed are compounds of Formula (I), pharmaceutically acceptable salts thereof, and methods of preparation thereof, wherein R1, Xa, Xb, Xc, and Xd are as described in the specification. Further disclosed is an isotopic mixture of a co...
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WO/2023/145535A1 |
This resist composition contains a resin component having a structural unit derived from a compound represented by general formula (a0-1) or a structural unit derived from a compound represented by general formula (a0-2). In the formulae...
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WO/2023/144408A1 |
The present invention relates to a new bio-based methyl dihydrojasmonate and cyclopentanone. The invention further relates to a process for their preparations and the use of such compounds.
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WO/2023/143633A2 |
The present invention provides a salvianolic acid A sodium salt hydrate and a preparation method therefor. Specifically, the salvianolic acid A sodium salt hydrate provided by the present invention is a crystal formed by salvianolic acid...
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WO/2023/146771A1 |
Gingerenone A prodrug compounds have a structure according to Formula I, or a pharmaceutically acceptable salt thereof wherein one of R1 and R2 is H or -C(O)-R and the other of R1 and R2 is -C(O)-R. Each R independently is RA or, where R...
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WO/2023/142460A1 |
The present invention discloses a method for synthesizing aryl phenol by means of a reaction between an aryl halide and a phenol compound under the induction of visible light, which method comprises: under the protection of an inert gas,...
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WO/2023/137548A1 |
The present document describes a livestock dietary supplement composition which comprises a sialagogue comprising cinnamaldehyde, an anti-inflammatory comprising a salicylate, an expectorant comprising menthol, an antimicrobial comprisin...
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WO/2023/131645A1 |
The invention provides an improved method for preparing lysine acetylsalicylate · glycine (LASAG) that allows for high yields without the need for an addition of seed crystal, as well as yielding controlled, small particle sizes (median...
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WO/2023/131362A1 |
The invention relates to phenylpropanoid derivatives and their use in medicine, cosmetics and biotechnology. The invention relates also to pharmaceutical compositions, preferably antibacterial toothpaste and mouthwash formulations which ...
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WO/2023/122842A1 |
The present invention relates to a method for preparing apalutamide, having formula (I). The invention also relates to synthesis intermediaries used in the method for preparing apalutamide, having formula XI [compound XI: N-(6-cyano-5-(t...
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WO/2023/127784A1 |
As a compound having sufficient solubility in an organic solvent, a novel compound, according to the present invention, having an electron transporting property is proposed, the compound being represented by formula (1). In addition, as ...
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WO/2023/127855A1 |
The present disclosure provides a novel synthetic intermediate of prostaglandin or an optically active substance thereof, and a production method that uses the same. More specifically, in the method according to the present disclosure fo...
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WO/2023/122827A1 |
OF THE DISCLOSURE There are provided various compounds and compositions comprising polyunsaturated fatty acid monoglycerides and derivatives thereof. These compounds and compositions can be useful for use in cellular senescence preventio...
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WO/2023/123569A1 |
Provided is a synthesis method for hexadecyl 3,5-di-tert-butyl-4-hydroxybenzoate, comprising the following steps: mixing 3,5-di-tert-butyl-4-hydroxybenzoic acid, tetramethyl ammonium bromide, and methylbenzene to prepare a 3,5-di-tert-bu...
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WO/2023/123566A1 |
Provided is a synthesis method for thiodiethylene bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]. The method comprises: reacting 2,6-di-tert-butylphenol with acrylate and further reacting with 2-chloroethanol to obtain the intermed...
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WO/2023/129141A1 |
The present application discloses, in part, isolated, stable and biologically active menaquinol derivatives and their methods of use for the treatment of various diseases.
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