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Matches 1 - 50 out of 16,039

Document Document Title
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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.  
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 ...  
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...  
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 (...  
WO/2020/259471A1
Provided herein are oseltamivir analogs useful for the treatment and prevention of viral infections, pharmaceutical compositions comprising the same and methods preparation and use thereof.  
WO/2020/262367A1
An unground Nε-long chain acylidine crystal production method that includes: preparing a solution having at least one type of Nε-long chain acylidine dissolved in an acidic or basic solvent including water and/or one type selected from...  
WO/2020/261974A1
Provided is a novel optically active bisphosphine methane that is useful as a ligand for an asymmetric catalyst, has excellent oxidation resistance in the air, and is easy to handle. Also, provided is a transition metal complex using, as...  
WO/2020/248403A1
Disclosed is a novel method for preparing adiponitrile. According to the method, an adipic acid diester and ammonia gas are used as raw materials, and same are subjected to a catalytic ammonolysis-dehydration reaction to directly prepare...  
WO/2020/238885A1
The present application belongs to the technical field of drug application, relates to a treatment method of a complex of angiotensin II receptor antagonist metabolite and NEP inhibitor, and specifically relates to the dosage of the drug.  
WO/2020/238388A1
Disclosed are a calcium-based catalyst and a method for catalytically synthesizing an alkanolamide surfactant thereby, which belong to the technical field of surfactant synthesis. The present invention prepares a compounded calcium-based...  
WO/2020/226522A1
The present invention falls within the area of the synthesis of ionic liquids, namely it concerns a process of synthesis of the ionic liquid tetraoctylammonium di(2-ethylhexyl)-oxamate (IL-5) with a high degree of purity and its use in t...  
WO/2020/226521A1
The present invention falls within the area of the synthesis of ionic liquids, namely it concerns a process of synthesis of the ionic liquid tetraoctylammonium dioctyl-diglycolamate (IL-4) with a high degree of purity and its use in an e...  
WO/2020/222158A1
The present invention relates to an improved process for the preparation of 2-amino-N-(2,2,2-trifluoroethyl) acetamide of formula (I) and salts (IA) thereof, in an environment friendly and commercially viable manner in high yield and gre...  
WO/2020/221690A1
The invention relates to a method for producing urea, comprising: a) producing formamide on the basis of carbon dioxide, hydrogen and ammonia, wherein methyl formate or ammonium formate is formed as an intermediate product in a catalytic...  
WO/2020/218173A1
The present invention provides a novel fluorodinitrophenyl compound, a method for producing the fluorodinitrophenyl compound, and a use of the fluorodinitrophenyl compound. The present invention relates to: a compound represented by form...  
WO/2020/212352A1
The present invention refers to a process for preparing a compound of formula (I) or a pharmaceutically acceptable salt thereof: wherein R is (C3-C10)alkyl, or ω-trifluoro(C3-C10)alkyl; R1 and R2 are, independently, hydrogen, hydroxy, (...  
WO/2020/212227A1
The present invention relates to a new process for the production of substituted 2-[2-(phenyl) ethylaminojalkaneamide derivatives of the following formula (I), in particular 2-[2-(3-butoxyphenyl)-ethylamino]-N,N-dimethylacetamide in high...  
WO/2020/207129A1
Disclosed is an ammonium salt with a structural formula represented by formula (I). A synthesis method thereof comprises using 8 mol% zinc chloride as a catalyst, 5 mmol of 1-phenyl-1,3-butanedione, 1.2 g of benzylamine, and 40 mL of chl...  
WO/2020/210486A1
The disclosure provides processes for preparing α-carboxamide pyrrolidine derivatives, in particular (2S, 5R)-5-(4-((2-fluorobenzyl)oxy)phenyl)pyrrolidine-2-carboxami de, as well as intermediates for use in said processes.  
WO/2020/203248A1
Provided is a method for producing a 4-halogenobenzylamine derivative that includes bringing a 1-methylbenzylamine derivative represented by formula (1) into contact with a halogenating agent to effect halogenation in the presence of sul...  
WO/2020/203594A1
Provided is a fluorene derivative represented by formula (1). (In the formula, Z1 and Z2 are predetermined divalent groups, and Ar1 and Ar2 are each independently a C6-20 aryl group or a C2-20 heteroaryl group, and may be substituted wit...  
WO/2020/195576A1
Provided is a novel method for producing a hemiaminal compound, and a method for producing a heterocyclic compound. In this method for producing a hemiaminal compound, a compound represented by formula (1), a compound represented by form...  
WO/2020/196553A1
The purpose of the present invention is to provide a method that enables efficient and safe production of an N-substituted trihaloacetamide which also serves as a synthetic intermediate for isocyanate compounds, carbamate compounds, urea...  
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/2020/186632A1
The present application relates to a benzidine compound and an application thereof, the benzidine compound having the structure as shown in formula I below. Further provided in the present application are a pharmaceutically acceptable sa...  
WO/2020/187256A1
Provided is a method for preparing β-alanine, the method comprising: preparing a β-alanine product from a reactant containing fumaric acid and aqueous ammonia in the presence of a catalyst, wherein the catalyst contains a catalyst comp...  
WO/2020/185420A1
Provided herein are integrated methods and systems for the production of acrylamide and acrylonitrile compounds and other compounds from at least beta-lactones and/or beta-hydroxy amides.  
WO/2020/181779A1
A method for preparing a lipoamino acid compound on the basis of a deep eutectic solvent, which relates to the field of organic synthesis. A fatty acid and an amino acid are used as substrates and a deep eutectic solvent is used as a med...  
WO/2020/183281A1
This invention provides for a flow synthesis process for producing Oseltamivir and pharmaceutically acceptable salts thereof from shikimic acid in particular but not exclusively to a flow synthesis process for producing Oseltamivir phosp...  
WO/2020/170178A1
The present invention disclosed a process for the synthesis of anthranilic diamide compound of formula (I), wherein, R1, R2, R3a, R3b, R3c, R4, R5, R6 and Z are as defined in the detailed description. The process comprising the step of o...  
WO/2020/169971A1
A solidification or crystallisation method is disclosed providing at least a first organic compound, providing at least one volatile co-former organic compound, forming a mixture of at least the first organic compound and the co-former o...  
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/2020/167855A1
Useful processes of preparation and intermediates useful for the preparation of Compound 1, a selective estrogen receptor alpha (ERα) modulator/degrader (SERM/SERD), having utility for the treatment of ER+ cancers including breast cance...  
WO/2020/159167A1
The present invention provides a method for recovering amide-based compounds, wherein, before a distillation step for separating and recovering amide-based compounds from waste liquid including amide-based compounds such as N-methyl-2-py...  
WO/2020/116589A9
The purpose of the present disclosure is to provide a novel method for producing a fluorovinyl amide compound. The purpose is achieved by means of a method for producing a compound represented by formula (I) [in the formula, Rf is -F or ...  
WO/2020/149129A1
The purpose of the present invention is to produce an asymmetric compound from an oxalyl halide in a simple manner and with high selectivity. The method comprises: a first step of mixing a first raw material selected from ammonia, a mo...  
WO/2020/147418A1
Disclosed is a method for purifying iodixanol. The method for purifying iodixanol according to the present invention comprises the following steps: 1) dissolving and filtering an iodixanol raw extract; 2) loading the iodixanol solution o...  
WO/2020/145514A1
Provided is a method of producing L-glufosinate from an L-lactone derivative compound, wherein the method of producing L-glufosinate comprises: a step of preparing a compound of chemical formula 2 from a compound of chemical formula 1 (s...  
WO/2020/145513A1
Provided are an L-glufosinate intermediate preparation method or an L-glufosinate preparation method, the method, for preparing an L-glufosinate intermediate or an L-glufosinate from an L-homoserine derivative, comprising a step of prepa...  
WO/2020/141927A1
The present specification relates to an adamantanecarboxylic acid benzyl amide derivative compound, an isomer thereof, a pharmaceutically acceptable salt thereof, a hydrate thereof or a solvate thereof, and a skin whitening composition c...  
WO/2020/137951A1
The present invention relates to: a composition for producing an N-vinyl carboxylic acid amide, the composition comprising component (A) which is an N-(1-alkoxy ethyl)carboxylic acid amide and component (B) which is an N-(1-alkoxy ethyl)...  
WO/2020/132819A1
Disclosed is a method for preparing (1R,3S)-3-aminocyclopentanol hydrochloride. The method comprises using amide formed by chiral carboxylic acid and hydroxylamine as a chiral source, quickly obtaining a chiral Diels-Alder reaction produ...  
WO/2020/135508A1
Disclosed are a minocycline(II) p-chlorobenzene sulfonate crystal form, a preparation method therefor and the use thereof. In the current preparation process of minocycline hydrochloride, the last step, i.e. the post-treatment and purifi...  

Matches 1 - 50 out of 16,039