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WO/2020/073962A1 |
Provided is a metal complex as represented by formula I. The metal complex may be used as a catalyst for asymmetric catalytic hydrogenation, is capable of efficiently catalyzing and synthesizing a series of chiral β-aryl amides having h...
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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...
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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...
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WO/2020/056564A1 |
Disclosed is a method for preparing a 1,3-dicarbonyl compound based on a metal hydride/palladium compound system. The method comprises the following steps: suspending a palladium compound and a metal hydride in a solvent under the protec...
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WO/2020/058160A1 |
The present invention relates to methods for controlling or preventing infestation of cereal plants by the phytopathogenic microorganism Fusarium pseudograminearum, comprising applying to a crop of plants, the locus thereof, or seed ther...
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WO/2020/060010A1 |
The present invention relates to a method for preparing an X-ray contrast agent iomeprol and, more specifically, to a method for preparing iomeprol by adding an inorganic base, an inorganic chloride, a solvent, etc. to 5-(2-hydroxyacetam...
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WO/2020/052179A1 |
Provided is a preparation process for an amantadine nitrate derivative. The preparation process comprises preparing the amantadine nitrate derivative from substituted or unsubstituted adamantane used as a raw material by means of the fol...
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WO/2020/040049A1 |
This composition includes a compound (A) represented by general formula (1) and a compound (B) represented by general formula (2), wherein the contained amount of the compound (B) is 0.00002-2.0 parts by mass with respect to 100 parts by...
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WO/2020/040315A1 |
A method for stabilizing a sanshool compound is provided. The method for stabilizing a sanshool compound comprises a mixing step in which the sanshool compound is mixed with an antioxidant in a liquid, the liquid comprising water and/or ...
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WO/2020/040048A1 |
This composition includes a compound (A) represented by general formula (1) and a compound (B) represented by general formula (2), wherein the contained amount of the compound (B) is 0.00002-0.2 parts by mass with respect to 100 parts by...
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WO/2020/040050A1 |
Provided are: a composition that has excellent stability during storage and excellent stability during use; and a production method for the composition. The composition according to the present invention includes a compound (A) represent...
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WO/2020/040045A1 |
Provided are: a composition that has excellent stability during storage and excellent stability during use; and a production method for the composition. This composition includes a compound (A) represented by general formula (1), and a c...
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WO/2020/040614A1 |
The present invention provides: a preparation method for a (3R,5R)-7-[2-(4-flurophenyl)-5-isopropyl-3-phenyl-4-[(4-hydr
oxymethylphenylamino)carbonyl]-pyrrrol-1-yl]-3,5-dihydroxy heptanoic acid hemicalcium salt; an intermediate used ther...
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WO/2020/035853A1 |
Disclosed herein, in part, are processes making and purifying L-dopamide free base, such as purified pharmaceutically acceptable L-dopamide free base substantially free of L-dopa. Such processes are useful for providing L-dopamide for th...
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WO/2020/034292A1 |
The present invention relates to the field of oil and gas field production increase transformations. Disclosed is a recyclable clean fracturing fluid thickening agent, a preparation method for same, a recycling method therefor, and a hig...
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WO/2020/030931A1 |
The invention relates to a method of functionalising a diacetylene compound of formula (II) to form a diacetylene compound of formula (I): wherein x is from 1 to 20; Q is selected from an amide having the formula (IV) and an ester having...
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WO/2020/025787A1 |
The invention relates to a process for the preparation of organo-iodinated compounds as well as the preparation intermediates thereof. More specifically, the invention relates to a process for the preparation of organo-iodinated compound...
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WO/2020/019529A1 |
The present invention relates to a preparation method for 4-(4-aminophenyl) morpholin-3-one. Said method comprises: using p-nitroaniline as a raw material, successively performing an amidation reaction and a catalytic hydrogenation react...
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WO/2020/020698A1 |
The invention relates to a process for preparing N-methyl(meth)acrylamide and to the uses thereof.
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WO/2020/009016A1 |
The present invention provides a method for producing an organic compound in which functional groups are reacted with each other without the use of a solvent. The present invention pertains to a method for producing an organic compound c...
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WO/2020/001298A1 |
Provided in the present invention are a 4-(p-trifluoromethylbenzyl)-3-floro-1,2,4 triphenylamine derivative, a pharmaceutical composition of same, and uses thereof. The chemical formula of the derivative is as represented by formula I, w...
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WO/2019/242192A1 |
The present invention relates to a brivaracetam intermediate, a preparation method therefor, and a preparation method for brivaracetam. The steps of the method for preparing brivaracetam described in the present invention are short and t...
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WO/2019/245008A1 |
The present invention addresses the problem of providing a new method for producing a compound including a fluoromethylene group. The problem is accomplished by a method for producing a compound represented by formula (1) (wherein R1 is ...
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WO/2019/233375A1 |
Provided are a self-assembled amino acid supramolecular polymer and a preparation method therefor. Further provided is an application of the self-assembled amino acid supramolecular polymer in the fields of daily chemical, agricultural, ...
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WO/2019/233498A1 |
Provided are a cis-para-substituted cyclohexylamino nitrile salt as shown in formula (I) and a preparation method therefor, a use of said salt as a preparation intermediate for a pesticide such as spirotetramat, and a method for using sa...
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WO/2019/224193A1 |
The invention relates to a method for preparing keto-functionalized aromatic (meth)acrylates by reacting keto-functionalized aromatic alcohols or keto-functionalized aromatic amines with (meth)acrylic anhydride having a content of (meth)...
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WO/2019/216795A1 |
The invention relates to organic chemistry, pharmacology and medicine and is concerned with the treatment of inflammatory and autoimmune diseases, such as psoriasis, atopic dermatitis, pruritus, Crohn's disease and colitis, gastrointesti...
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WO/2019/216415A1 |
The present disclosure addresses the problem of providing a production method for a novel fluoromethyl derivative. The problem is solved by a production method that is for a fluorinated organic compound represented by formula (1) [in the...
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WO/2019/208731A1 |
Provided is a novel method whereby an amide compound can be produced by highly stereoselectively and efficiently performing amidation between a plurality of amino acids and/or peptides. A compound of general formula (3) is synthesized by...
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WO/2019/208705A1 |
A method for producing an N, N-disubstituted amide according to the present invention causes a reaction of a nitrile and an alcohol in the presence of a catalyst. This method for producing an N, N-disubstituted amide is configured such t...
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WO/2019/201842A1 |
The present invention relates to a new method for the esterification of N-acylated amino acids containing an acid-labile ketone protective group under alkaline conditions without the use of a polar aprotic solvent, by esterifying the N-a...
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WO/2019/196945A1 |
Disclosed is a novel method for synthesizing deuterated amides and deuterated sulfonamides, the steps being as follows: (1) adding a compound M, DMAP, R3-X to a solvent to obtain a compound N after a reaction is complete; (2) adding the ...
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WO/2019/196714A1 |
An N-substituted acrylamide derivative, represented by general formula I, as a DHODH inhibitor, and preparation and use thereof. The N-substituted acrylamide derivative has excellent DHODH inhibiting activity, and thus can be used for tr...
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WO/2019/193846A1 |
Provided is a novel production method for a compound. This production method for a compound (1) represented by the following general formula (1) (in the formula, R1 and R2 are independent of each other and are a fluorine atom or an organ...
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WO/2019/192614A1 |
The described invention relates to sarecycline, related compounds, intermediates and salts thereof and processes for preparing the same.
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WO/2019/185877A1 |
The invention relates to a method for the preparation of a 4,5-dihydroxyisoleucine derivative comprising the steps of asymmetric Claisen rearrangement of a Z-aminocrotyl-glycin ester and subsequent kinetic resolution of the product diast...
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WO/2019/188508A1 |
Provided is a compound capable of thickening a fluidic organic substance to a desired viscosity, and uniformly stabilizing the compositional makeup thereof. The compound according to the present invention is represented by formula (1). I...
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WO/2019/189277A1 |
A method for producing an amide compound, said method comprising a step for contacting optionally treated microbial cells containing nitrile hydratase with a nitrile compound in an aqueous medium in a first reactor to give a liquid react...
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WO/2019/179436A1 |
The present invention relates to the field of pharmaceutical chemistry. Disclosed are an acid amide compound and use thereof in the treatment of cancers. Disclosed is use of an acid amide compound represented by formula (I), or its cryst...
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WO/2019/170791A1 |
The invention discloses a method for the preparation of 2-chloro acetoacetic acid amide or ester by a reaction of acetoacetic acid amide or ester with trichloroisocyanuric acid in the presence of amylene and in the solvent acetone.
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WO/2019/162289A1 |
The present invention is directed to compounds of the general formula (I) and salts thereof wherein X- is halide, pseudohalide, sulphate, benzoate, acetate, trifluoroacetate, hydroxide, saccharinate or capsaicinate; R10 is hydrogen or C1...
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WO/2019/160037A1 |
The purpose of the present invention is to provide methods for producing a carboxamide compound, a sulfonamide compound, and an ester compound using an acid halide. The methods for producing a carboxamide compound, a sulfonamide compound...
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WO/2019/159596A1 |
Provided is a method for preparing a coupled body represented by general formula (3), the coupled body being obtained by reacting a compound represented by general formula (1) and a compound represented by general formula (2) in the pres...
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WO/2019/146508A1 |
A method for producing 2-chloroacetoacetamide, characterized in that acetoacetamide and trichloroisocyanuric acid are reacted in an ethanol solvent (wherein the amount of trichloroisocyanuric acid is 0.30–0.38 mol, inclusive, times the...
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WO/2019/136782A1 |
Disclosed is a tri-cationic viscoelastic surfactant, a preparation method therefor, an application thereof, and a clean fracturing fluid. The invention utilizes N,N'-dimethyl-1,3-propanediamine and epichlorohydrin to prepare an intermedi...
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WO/2019/138362A1 |
The field of this invention relates to a novel process, suitable for industrial scale manufacture, for the preparation of 4-(4-aminophenyl)morpholin-3-one of Formula (I), the key intermediate of rivaroxaban according to the scheme. In th...
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WO/2019/127649A1 |
Disclosed is a self-aligned liquid crystal adjuvant, comprising an adjuvant I as shown in formula 1 and an adjuvant II as shown in formula 2. Further disclosed is a self-aligned liquid crystal mixture comprising the above self-aligned li...
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WO/2019/127994A1 |
The present invention relates to a sacubitril sodium salt as represented by formula IV, a eutectic of sacubitril free acid and acetic acid, a crystal form of the eutectic and a preparation method for the crystal form, and a method for us...
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WO/2019/128872A1 |
Disclosed are a pyrazole amide compound-benzamide compound of general formula (I) having a pesticidal activity, and an intermediate of general formula (II) used for preparing the compound of general formula (I), wherein R1 is selected fr...
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WO/2019/125930A1 |
Disclosed is a composition including a carbonyl-substituted alkene including a dicarbonyl compound having an alkylene group between the carbonyl groups. At least one carbonyl group of the dicarbonyl compound includes an amide group. Anot...
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