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WO/2023/109213A1 |
A method for preparing a chiral amine compound B or C, which can be used for synthesizing an optically pure repotrectinib intermediate, wherein 2-hydroxy-5-fluorophenylalkylketone compound A is used as a raw material, and a corresponding...
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WO/2023/110711A1 |
The present invention relates to a method for the manufacture of a core-shell catalyst comprising the steps of a. providing core particles, b. functionalizing at least part of the surface of the core particles with a functionalizing agen...
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WO/2023/114579A1 |
The present disclosure relates generally to compounds, to transition metal complex hydroformylation catalytic precursor compositions, and to processes for separating one or more heavies from a hydroformylation reaction product fluid in h...
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WO/2023/112847A1 |
[Problem] To provide a hydrogen storage means having excellent points such as being free of precious metals, having high efficiency, being safe, etc. [Solution] Provided is a hydrogen storage composition that, in several embodiments, con...
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WO/2023/110712A1 |
The present invention relates to a method for carrying out a catalysed chemical reaction using one or more liquid reactants, preferably acetone and phenol to form bisphenol A, in an upflow reactor comprising feeding at least a portion of...
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WO/2023/111537A1 |
The specification describes a method for the production of a hydrochlorination catalyst, comprising the steps of: i) preparing an impregnation solution by combining a source of gold and a ligand in a solvent, wherein the solvent comprise...
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WO/2023/105216A1 |
A process for obtaining one or more recovered ruthenium triphos complexes from an organic medium. The process finds use in the manufacture of monoethylene glycol, and comprises the steps of (a) providing an organic medium comprising one ...
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WO/2023/106424A1 |
[Problem] To produce ammonia electrochemically. [Solution] A production method for ammonia according to the present invention involves producing ammonia from molecular nitrogen in a production device for performing electrolysis by provid...
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WO/2023/106392A1 |
The present invention provides a catalyst composition which constitutes a catalyst layer of a polymer electrolyte fuel cell and is capable of improving the power generation characteristics of the polymer electrolyte fuel cell. A cataly...
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WO/2023/104560A1 |
The present invention relates to a method for synthesizing at least one 3-halopropyltrihalosilane compound, use of a novel catalyst system and a novel composition.
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WO/2023/098083A1 |
The present invention discloses a method for preparing taurine. The method comprises: (1) in the presence of an ammonia water complex ion catalyst, subjecting an aqueous sodium isethionate solution and ammonia to an ammonolysis reaction ...
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WO/2023/097696A1 |
Disclosed is a method for synthesizing (1R)-1-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)-2-nitroethanol
. The route of the method is as follows: The method is used for synthesizing (1R)-1-(2,2-dimethyl-4H-1,3-benzodioxin-6-yl)-2-nitroethanol...
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WO/2023/097678A1 |
A method for synthesizing (R)-5-(2,2-dimethyl-4H-benzo[d][1,3]dioxin-6-yl)oxazolidin-2
-one. The synthesis route of the method is: where X is Br, Cl or I, preferably Br. Preferably, chiral phenyloxazolidin-2-one is prepared from a 2-brom...
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WO/2023/093686A1 |
Disclosed in the present invention are a benzo[c]cinnoline skeleton diimide ligand and a preparation method therefor. The ligand has the structure represented by general formula (I), wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 are as...
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WO/2023/093677A1 |
The present invention relates to the technical field of organic chemical synthesis, and provides a synthesis process for a fatty acyl taurate. The synthesis process comprises the following steps: adding a fatty acid or an ester thereof, ...
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WO/2023/095907A1 |
Provided is a method for producing an aldehyde, the method comprising steps (1) to (3) below: (1) a part or the entirety of the reaction solution is extracted from a hydroformylation reaction band while performing the hydroformylation re...
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WO/2023/088919A1 |
The present invention relates to an iminium salt having the following formula (I) and also to a ruthenium complex having the following formula (II): (I) (II) as well as the use of said ruthenium complex as catalyst, in particular in olef...
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WO/2023/090298A1 |
One embodiment of the method for producing a cyclic compound of the present invention is characterized by having a step for obtaining a cyclic compound by applying, to a starting material containing a cyclic carboxylic acid compound, a h...
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WO/2023/087066A1 |
A method of desorbing CO2 from an aqueous liquid comprising CO2, the method comprising the steps of: a) providing said aqueous liquid in the form of an aqueous colloidal solution comprising (i) a CO2 absorbent having CO2 absorbed thereto...
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WO/2023/091473A1 |
A method including contacting a ligand complex, a metalation compound, and a metal carbonyl in a mixture to form a catalyst. The ligand complex includes one or more of phosphine, imine, and/or hydroxyl groups bound to one or more cyclic ...
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WO/2023/090993A1 |
A method for producing a catalyst comprising the steps of mixing a metal precursor with an organic ligand and a solvent to form a precursor solution; heating the precursor solution at a predetermined temperature and time to form a metal ...
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WO/2023/088620A1 |
The present invention relates to a phosphine of the formula (1), wherein - Q is SiR3R4, GeR3R4, SnR3R4, AsR3 or Se; - m is 0, 1, 2 or 3; n is 0, 1, 2 or 3; under the proviso that m + n ≥ 1; - the groups R independently of each other re...
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WO/2023/090345A1 |
Provided is a method for producing a compound represented by formula (3) (wherein R1, R2, R3 and Rb are the same as those in formulae (1) and (2)), the method including chemically reacting a compound represented by formula (1) (wherein R...
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WO/2023/086718A1 |
The present disclosure relates to processes for recovering rhodium from a hydroformylation process. In one aspect, a tails stream from a product-catalyst separation zone is provided to at least one organic solvent nanofiltration separati...
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WO/2023/082908A1 |
Disclosed in the present invention is a method for preparing hydrogen peroxide by means of catalytic oxygen reduction by using a covalent organic framework catalyst, which belongs to the field of electrocatalysis. According to the presen...
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WO/2023/084534A1 |
The present invention relates to a pincer-based cobalt catalyst of formula (I) for hydrogenation of alkynes, and its process of preparation thereof. More particularly the present invention also relates to a process for the hydrogenation ...
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WO/2023/084119A2 |
The present invention refers to a specific composition, which functions as an enzyme mimic or artificial enzyme, for assessing the presence of microorganisms in a test sample. On the other hand, the composition can be used as a medicamen...
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WO/2023/079070A1 |
This invention provides supported catalysts comprising a carrier, at least one Group VI metal, at least one Group VIII metal, and a polymer. In the supported catalyst, the molar ratio of the Group VI metal to the Group VIII metal is abou...
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WO/2023/079531A1 |
An X-ray imaging film (100) for transforming X-ray radiation into visible light by scintillating, includes a polymer matrix (160), a metal-organic framework, MOF, (110), and an organic chromophore (130) which is configured to experience ...
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WO/2023/081933A1 |
The present disclosure relates to a catalyst system comprising i) (a) a bicyclic 2-[(phosphinyl)aminyl] cyclic imine chromium salt or (b) a chromium salt and a bicyclic 2-[(phosphinyl)aminyl] cyclic imine and ii) an organoaluminum compou...
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WO/2023/081930A1 |
The present disclosure relates to a catalyst system comprising i) (a) a bicyclic 2-[(phosphinyl)aminyl] cyclic imine chromium salt or (b) a chromium salt and a bicyclic 2-[(phosphinyl)aminyl] cyclic imine and ii) an organoaluminum compou...
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WO/2023/077218A1 |
There is provided a process for alkylating a substrate with a photocatalytic system. The process comprises providing a mixture containing an acid, and a substrate (an organic compound). Then, an organophotoredox catalyst of formula Ia is...
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WO/2023/081931A1 |
The present disclosure relates to a catalyst system comprising i) (a) an N2-phosphinyl bicyclic amidine chromium salt or (b) a chromium salt and an N2-phosphinyl bicyclic amidine and ii) an organoaluminum compound. The present disclosure...
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WO/2023/080071A1 |
The present invention provides a method for producing 4-hydroxybutyl aldehyde, the method comprising a step in which an allyl alcohol is subjected to a hydroformylation reaction together with a carbon monoxide gas and a hydrogen gas in t...
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WO/2023/070760A1 |
A method for catalyzing olefin carbonylation, comprising the following steps: using cyclic alkyl carbene iridium as a catalyst and an olefin as a raw material for carbonylation reaction to generate aldehyde, wherein the structural formul...
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WO/2023/075540A1 |
The present invention relates to a ZIF-8 organometallic frame catalyst composite comprising: a ZIF-8 organometallic frame; and water molecules provided inside the ZIF-8 organometallic frame.
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WO/2023/070761A1 |
Provided in the present invention is an iridium-based catalyst, which is characterized in that the chemical structural formula thereof is as shown in (I), wherein Ph is a phenyl, R is a methyl or ethyl, and X is one or more of CH3CO2, NO...
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WO/2023/071930A1 |
A non-supported hydrogenation catalyst, and a preparation method therefor and the use thereof. The non-supported hydrogenation catalyst is composed of a complex which is formed by bonding a metal central atom or a central ion with an org...
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WO/2023/071936A1 |
A non-supported bimetallic hydrogenation catalyst, and a preparation method therefor and an application thereof. The catalyst is composed of a complex formed by bonding a metal central atom or central ion to an organic ligand by means of...
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WO/2023/065714A1 |
The present invention relates to the technical field of organic synthesis, and provides a pyrimidine- and cyano group-based bifunctional conjugated microporous polymer, and a preparation method therefor and an application thereof. The py...
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WO/2023/065820A1 |
The present invention belongs to the technical field of conjugated microporous polymers, and provides a pyridine-and-thiazole-bifunctionalized conjugated microporous polymer, and a preparation method therefor and the use thereof. The pyr...
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WO/2023/063640A1 |
The present invention relates to a material for preparing an ammonia decomposition catalyst and, particularly, to: a metal complex, which is a metal precursor compound; and a method for preparing an ammonia decomposition catalyst by usin...
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WO/2023/060929A1 |
The present invention relates to an application of a polydentate phosphite ligand in the catalytic synthesis of adiponitrile. The ligand is represented by general formula (I). A method for catalytically synthesizing adiponitrile comprise...
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WO/2023/060778A1 |
Provided are an amphiphobic platinum-containing catalyst material, a preparation method therefor and the use thereof. The method comprises the following steps: constructing a plurality of silicon hydroxyl groups on a surface; growing nan...
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WO/2023/056685A1 |
Provided is a catalyst for reductive amination and a preparation method therefor and the use thereof. The catalyst comprises a structure formed by a metal-based active center and a mercapto donor by means of a chemical bond, and the meta...
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WO/2023/056740A1 |
The present invention belongs to the field of heterocyclic compounds, and in particular relates to a production process for a rubber vulcanization accelerator MBTS. The process comprises the following steps: (1) mixing MBT and a solvent ...
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WO/2023/056041A1 |
Catalyst materials for olefin metathesis reactions. The catalyst materials comprise a ruthenium phosphinimine complex. The ruthenium phosphinimine may be synthesized without bound N-heterocyclic carbene (NHC) or phosphine ligands, thereb...
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WO/2023/049439A1 |
Multifunctional and regenerable N-chlorine based biocidal and detoxifying metal-organic frameworks are provided. Chloramine functional groups on the organic linkers of the metal-organic frameworks act as chlorine carriers. Pathogens or h...
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WO/2023/049476A1 |
Disclosed are improved catalytic carbonylation methods. In general, the methods are suitable for carbonylating a variety of esters in the presence of carbon monoxide or a source thereof and a catalyst system comprising a transition metal...
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WO/2023/048084A1 |
The present invention provides an organic metal complex catalyst for an olefin metathesis reaction, which enables the achievement of a higher yield of a desired substance in an olefin metathesis reaction than the conventional catalysts. ...
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