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WO/2021/179553A1 |
The present invention relates to the use of an N-benzylbenzamide compound or a salt thereof, which are represented by formula (I) and formula (II), as a herbicide. The N-benzylbenzamide compound or the salt thereof is used as a pigment s...
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WO/2021/179711A1 |
A process for extracting compounds from dendrobium nobile, comprising: A. grinding dendrobium nobile, leaching same with an aqueous ethanol solution, combining and concentrating the leach solutions to obtain an extract A; B. mixing said ...
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WO/2021/175451A1 |
The present invention relates generally to: the cosmetic or pharmaceutical use of avenanthramide L or an oat extract comprising avenanthramide L; avenanthramide L or an oat extract comprising avenanthramide L as a neurokinin-1 receptor N...
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WO/2021/177383A1 |
The present invention provides: an asymmetric hydrogenation catalyst comprising a heteropoly acid, a solid-phase support containing a basic group and a platinum-group complex; and a method for producing an optically active amide compound...
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WO/2021/177297A1 |
The present invention provides a catalyst for use in synthesis of an aromatic amide that can be collected and reused, and addresses the problem of enabling a simple synthesis process in which the amount of a catalyst metal mixed into a p...
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WO/2021/172300A1 |
A fluorene derivative according to the present disclosure is expressed by formula (1). [In the formula, R1 represents a substituent group, k represents an integer of 0-8, R2a, R2b, R2c, and R2d each independently represent a hydrogen ato...
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WO/2021/168988A1 |
The present invention provides a synthesis method for a fluorine-containing chiral amine compound. The synthesis method comprises: reacting an amino donor with a fluorine-containing dihydroxy ketal compound under the catalysis of transam...
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WO/2021/169199A1 |
Provided are an α-carbonyl alkenyl ester compound and a preparation method therefor, and said compound is further used to react with a primary or secondary amine to prepare an amide compound. Said two reactions are combined to develop a...
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WO/2021/167095A1 |
The present invention provides a method for chiral resolution of Trolox. The present disclosure relates to a method for producing a solid salt of a compound of formula I, wherein an amide-based solvent is added to a sample, which contain...
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WO/2021/161101A1 |
Disclosed is a method for preparing compound Formula S-1, comprising resolving compound Formula rac-2 with a compound of Formula 3 wherein R1 · R4, m and n are as defined in the disclosure.
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WO/2021/161100A1 |
Disclosed is a method for preparing compound S-1 (S-1) comprising resolving compound rac-2 (rac-2) with a compound of Formula 3 wherein R1, R4, m and n are as defined in the disclosure.
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WO/2021/161099A1 |
Disclosed are methods for preparing compound S-1 (S-1) from (R)-2-bromobutanoic acid prepared by treating (R)-2-aminobutanoic acid with an alkali metal nitrite compound and hydrobromic acid.
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WO/2021/160649A1 |
Disclosed is a method for preparing compound S-1, from compound S-5; wherein compound S-5 is prepared by treating compound 2 with a tertiary amine and a hydrogen source in the presence of a chiral complex.
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WO/2021/159754A1 |
The present invention relates to a method for preparing an lidocaine intermediate α-chloroacetyl-2,6-dimethylaniline and lidocaine without adding additional alkali, belonging to the technical field of organic synthesis. A method for pre...
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WO/2021/159691A1 |
An N,N-diethyl-10-undecenamide, a preparation method therefor, and a use thereof in repelling mosquitos. An N,N-Diethyl-10-undecenamide, the chemical structure thereof being as shown in formula I. The compound features a simple synthesis...
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WO/2021/147622A1 |
The present invention belongs to the technical fields of organic synthesis and heterogeneous catalysis, and specifically relates to a method for preparing a formamide compound by catalyzing carbon dioxide hydrogenation with a porous mate...
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WO/2021/128648A1 |
The present invention relates to a method for preparing oxamide from dimethyl oxalate, comprising: 1) mixing a dimethyl oxalate stream, a methanol raw material stream and a liquid ammonia stream to perform an ammonolysis reaction to prov...
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WO/2021/132365A1 |
Provided is a method for producing a highly polymerizable N-vinyl carboxylic acid amide monomer by efficiently purifying N-vinyl carboxylic acid amide. The method for producing a highly polymerizable N-vinyl carboxylic acid amide monom...
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WO/2021/132364A1 |
Provided is a method with which it is possible to purify N-vinylcarboxamide efficiently and produce a highly polymerizable N-vinylcarboxamide monomer. This method for producing a highly polymerizable N-vinylcarboxamide monomer is chara...
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WO/2021/132363A1 |
Provided is a method whereby an N-vinyl carboxylic acid amide can be efficiently refined to manufacture a highly polymerizable N-vinyl carboxylic acid amide monomer. This method for manufacturing a highly polymerizable N-vinyl carboxyl...
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WO/2021/132367A1 |
Provided is a method with which it is possible to purify N-vinylcarboxamide efficiently and produce a highly polymerizable N-vinylcarboxamide monomer. This method for producing a highly polymerizable N-vinylcarboxamide monomer is chara...
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WO/2021/132366A1 |
Provided is a method by which an N-vinylcarboxylic acid amide can be efficiently purified to produce a highly polymerizable N-vinylcarboxylic acid amide monomer. This method for producing a highly polymerizable N-vinylcarboxylic acid a...
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WO/2021/127743A1 |
The present disclosure relates to substituted hydroxystilbene compounds and derivatives, specifically 2-substituted hydroxystilbene compounds and derivatives, the synthesis of such compounds and their use in therapy.
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WO/2021/120982A1 |
The present invention relates to a method for preparing m-phenylenediamine, comprising the following steps: (1) using meta-xylene as a starting material, preparing isophthalamide; (2) reacting the isophthalamide with hypohalite or haloge...
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WO/2021/120896A1 |
Provided is a preparation method for norbornane dimethylamine, comprising the following steps: a) mixing a compound having a structure shown in a formula (I) with urotropin, an acid and a first solvent, and carrying out a first reaction ...
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WO/2021/117609A1 |
The present invention addresses the problem of providing a composition which stably has high polymerizability, and from which an N-vinyl acetamide polymer is produced. An N-vinyl acetamide-containing composition which is characterized ...
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WO/2021/117658A1 |
Provided is a method for producing an N-vinylacetamide which can prevent raw material gas (vaporized raw material) from being liquefied by re-condensation, suppress the problem of pyrolysis reactor blockage by resin, and enable stable an...
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WO/2021/103455A1 |
Provided are a synthesis system and method for preparing adiponitrile by means of the amination of adipic acid. The synthesis system comprises an amination reactor and a reaction rectifying column that are connected in sequence; the reac...
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WO/2021/103622A1 |
Disclosed are a nicotinamide virtual template surface molecularly imprinted material and a preparation method therefor and an application thereof, relating to the technical field of chemical materials. The preparation method comprises th...
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WO/2021/103457A1 |
The present invention provides a synthetic system and method for preparing hexamethylenediamine by adiponitrile hydrogenation. The synthetic system comprises an adiponitrile preparation device, a microinterface intensifier, a hydrogenati...
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WO/2021/100759A1 |
The present invention synthesizes ε-caprolactam from 5-cyanovaleramide with high yield by means of the steps (A) and (B) described below. (A) a step for obtaining 5-cyanovaleramide hydrogenation reaction mixture by causing 5-cyanovalera...
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WO/2021/093697A1 |
Provided is a series of supramolecular complexes (composites) having a dual function. The supramolecular complexes (composites) comprise a compound having an angiotensin II receptor (AT1) blocking function, a neprilysin inhibitor (NEPi) ...
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WO/2021/088209A1 |
The present invention relates to a capsaicin hapten and artificial antigen for detecting illegal cooking oil, a preparation method therefor and an application thereof. The structure of the capsaicin hapten is shown as formula I or formul...
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WO/2021/083300A1 |
A high-carbon alkane diamine terephthalate, a preparation method therefor and an application thereof, which relate to the field of high-carbon alkane diamine terephthalate preparation. The preparation method for the high-carbon alkane di...
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WO/2021/085636A1 |
[Problem] To provide a novel means capable of generating highly stereoselective and/or highly efficient amidation reactions in a variety of substrates having a carboxyl group and an amino group, and capable of producing amide compounds. ...
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WO/2021/083459A1 |
The invention relates to a process for the synthesis of DOPA comprising a photolabile protective group and to intermediates for preparing same (I), R being selected from the group that consists of 2-nitrobenzyl,1-(2-nitrophenyl)ethyl, 7-...
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WO/2021/085991A1 |
The present disclosure pertains to a cinnamic amide derivative activating an FXR function, a pharmaceutical composition comprising an isomer, solvate, or pharmaceutically acceptable salt thereof, and a preparation method therefor.
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WO/2021/085635A1 |
The present invention provides a novel means capable of producing an amide compound by highly stereoselectively and/or highly efficiently causing an amide reaction in various substrates having a carboxyl group and an amino group. This ...
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WO/2021/072771A1 |
Provided is a tegafur-1,2-bis(4-pyridyl)ethylene cocrystal. The present invention relates to the technical field of crystal form drug molecules. According to the tegafur cocrystal, Cu-Kα radiation is used, and an X-ray diffraction patte...
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WO/2021/062348A1 |
The present invention provides methods of reducing injury to rice and achieving weed control by treating the rice with both a safener and a microencapsulated Group 15 herbicide. Herein, the inventors demonstrate that the tolerance of fen...
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WO/2021/052353A1 |
The present invention relates to the technical field of enzyme inhibitors, and relates in particular to a hydroxamic acid derivative, a preparation method therefor and an application thereof. The hydroxamic acid group in the hydroxamic a...
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WO/2021/036256A1 |
The present application is suitable for use in the technical field of drug synthesis, and provides a method for synthesizing an HIV protease inhibitor intermediate compounds. The method comprises subjecting compound 1a to an asymmetric t...
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WO/2021/038586A1 |
The present invention relates to an improved process for the preparation of tezacaftor intermediate compound of formula II. More particularly, the present invention relates to an improved, commercially viable process for the preparation ...
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WO/2021/033504A1 |
A method for producing a carbonyl compound by means of a flow reaction, wherein: a triphosgene solution is introduced into a flow path (I); the triphosgene solution comes into contact with a solid catalyst, which is affixed to at least a...
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WO/2021/032156A1 |
Disclosed are a method for synthesizing a carboxy-containing anthraquinone derivative, the obtained derivative, and a battery system comprising same. The method for synthesizing a carboxy-containing anthraquinone derivative comprises the...
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WO/2021/034173A1 |
The present invention relates to a novel derivative of lobaric acid, a preparation method therefor and a use thereof, and relates to: a novel lobaric acid derivative which has excellent PTP-1B inhibitory activity that is far higher than ...
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WO/2021/026182A1 |
Disclosed are methods of preparing Compound (I), and salts thereof. The methods of preparing Compound (I) are suitable for use on process scale.
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WO/2021/017645A1 |
The present invention relates to the field of medicine synthesis, relates to a racemic preparation method for preparing a chiral β-amino acid and a derivative thereof, and particularly relates to a racemization method for a sitagliptin ...
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WO/2021/019555A1 |
A process for preparing 4-amino-2-hydroxy-4-oxobutanoic acid and intermediates thereof. The compound prepared by the present process is useful in management of diabetes. The present process yields 0.35gm, 63% of the desired compound. The...
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WO/2021/002408A1 |
The present invention provides a peptide having a fluoroalkyl group as a side chain. The present invention is a method for manufacturing a fluoroalkyl-group-containing peptide in which a compound represented by general formula (6-2) or (...
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