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Matches 1 - 50 out of 8,727

Document Document Title
WO/2019/016745A1
Aspects of the present application relate to process for the preparation of Pyrrolidine derivatives useful as key intermediates for active ingredients. Specific aspects relate to alternate process for the preparation of Upadacitinib inte...  
WO/2019/013954A1
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) mixing the mixed amide derivatives with an aqueous solution of ammonia or ammonium hydroxide in the presence or absence...  
WO/2019/010016A1
There is disclosed a process for the production of long chain amino acid and long chain dibasic acid, comprising: (1) reacting long chain keto fatty acid with hydroxylamine or subjecting keto fatty acid to an ammoximation reaction to yie...  
WO/2019/007944A1
The present invention relates to a methylglycine-N,N-diacetic acid trisodium salt in the form of a crystal, comprising a crystalline modification referred to as crystal type III characterized by the below reflections when analyzed with X...  
WO/2019/007943A1
The present invention relates to a process for the preparation of a solid composition of an amino acid diacetic acid compound wherein the amino acid diacetic acid compound is methyl glycine-N,N-diacetic acid or a salt thereof, or glutami...  
WO/2019/002022A1
The present invention is directed towards a process for manufacturing a complexing agent, said process comprising the steps of (a) Providing a nitrile according to general formula (I a) or (I b) (formula I a, I b) With M being selected f...  
WO/2019/002685A1
The present invention relates to a process for in situ the preparation of mixtures of chelating agents by catalyzed reactions of diethanolamine derivatives with maleic acid and then with 2-halocarboxylic acid, to mixtures of chelating ag...  
WO/2019/005628A1
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) recovering alkylamine by distilling or by extracting with an extractant solvent; (2) adding an acid and an extractant s...  
WO/2019/005630A1
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) recovering alkylamine from an aqueous solution of an alkali hydroxide hydrolysis of the mixed amide derivatives by dist...  
WO/2019/005629A1
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) adding water and an extractant solvent to the aqueous suspension of an acid hydrolysis of the mixed amide derivatives t...  
WO/2019/002684A1
The present invention relates to a process for the in situ preparation of mixtures of chelating agents by catalyzed reactions of diethanolamine with maleic acid and then with 2-halocarboxylic acid, mixtures obtainable using said process ...  
WO/2019/005631A1
There is disclosed a process for the separation of long chain amino acid and long chain dibasic acid, comprising: (1) cooling the hydrolysis solution to crystallize and separate alkali salt of long chain dibasic acid to provide an aqueou...  
WO/2018/231747A3
Methods of synthesizing fluoroquinolones such as ciprofloxacin are provided. The methods utilize affordable materials, reduce the number of synthesis steps and provide high yields.  
WO/2018/226841A1
Zwitterionic monomers, camitine-derived zwitterionic polymers, carnitine ester cationic monomers, carnitine ester cationic polymers, conjugate compositions including a carnitine-derived zwitterionic polymer, and related compositions' and...  
WO/2018/226340A1
A method for preparing diphenol compounds includes adding a hydroxyphenyl carboxylic acid, a tyrosine ethyl ester, hydroxybenzotriazole hydrate and a solvent and stirring to produce a first solution, EDCI HCI is added to the first soluti...  
WO/2018/212162A1
The purpose of the present invention is to provide a method for easily producing a diaminobenzene compound and a benzimidazole compound at low cost. The present invention provides a method for producing a diaminobenzene compound or N-pro...  
WO/2018/206728A1
The invention relates to the use of a precursor for the production of carbon-11-labelled amino acids or derivatives thereof. According to the invention, the precursor is a compound of formula I: (formula I), where R1 and R2 are selected ...  
WO/2018/207693A1
A 1–amino cyclopropane carboxylic acid nonhydrate can be produced as a result of: using a tertiary amine to treat a 1–amino cyclopropane carboxylic acid hydrochloride in the presence of a C3–C4 alcohol and water; maintaining the re...  
WO/2018/207694A1
A 1–amino cyclopropane carboxylic acid nonhydrate can be produced as a result of: using a tertiary amine to treat a 1–amino cyclopropane carboxylic acid hydrochloride in the presence of a C3–C4 alcohol and water; maintaining the re...  
WO/2018/208677A1
Embodiments of the present disclosure are related to improved processes for making L-ornithine phenylacetate without using any silver salts or forming any L-ornithine intermediate salts, such as a benzoate salt. The present processes may...  
WO/2018/191999A1
The present invention relates to a process for preparing perindopril, the process mainly involving oxidizing ethyl 3-ketohexanoate as a raw material to synthesize ethyl 2-ketovalerate, then subjecting same to condensation ammoniation and...  
WO/2018/187324A1
The subject invention relates to a process of prepating (R)-3-hydroxybutyric acid or a salt thereof by one-step fermentation with a nonpathogenic microorganism. The fermentation of (R)-3-hydroxybutyric acid was performed by supplying wit...  
WO/2018/174826A1
This invention relates to a method for producing an alkenyl 1 -aminocyclopropane-1 -carboxylic acid of Formula I wherein R1 is a protecting group, n is an integer between 1 and 10, and A and B are chiral centres such that when A is S, B ...  
WO/2018/164662A1
A resveratrol ester has the following structure: (I). R1, R2 and R3 are H or (II). Each R4 is independently a carbon chain of 2 to 4 carbon atoms comprising a terminal carboxylic acid moiety, a carbon chain of 1 to 5 carbon atoms compris...  
WO/2018/157842A1
The present invention provides a use of 2-(substituted phenylamino)benzoic acid FTO inhibitor in treating leukemia.  
WO/2018/143492A1
The present invention relates to an aminobenzaldehyde derivative and an amino acid chiral extractant comprising the same, wherein the amino acid chiral extractant can allow amino acids in an aqueous solution to be extracted with high chi...  
WO/2018/139311A1
[Problem] To provide a novel diamine compound with which it is possible to synthesize a polyimide compound having high solubility in organic solvents and high melt moldability. [Solution] This diamine compound is characterized by being r...  
WO/2018/116203A1
The invention relates to a new enantioselective process for producing useful intermediates for the manufacture of NEP inhibitors or prodrugs thereof, in particular NEP inhibitors comprising a γ-amino-δ-biphenyl-α-methylalkanoic acid, ...  
WO/2018/114841A1
The present invention relates to a process for preparing aminobenzoic acid or an aminobenzoic acid conversion product, comprising the steps of: (I) providing an aqueous solution of aminobenzoic acid using a fermentation process; (II) ads...  
WO/2018/115434A1
The invention relates to a method for the production of acetylsalicylic acid lysinate, optionally lysine acetylsalicylate · glycine, comprising the following steps: a) providing a solution of acetylsalicylic acid in ethanol; b) providin...  
WO/2018/090963A1
The invention provides a method for preparing a lisinopril intermediate, comprising: treating (R)-hydroxy-4-phenylbutyrate with sulfonyl chloride in an organic solvent in the presence of a base to obtain a solution of sulfonate; reacting...  
WO/2018/090670A1
The present invention relates to a method for preparing a droxidopa intermediate (2S,3R)-3-(3,4-dibenzyloxyphenyl)-2-dibenzylamino-3-hydroxyp ropionate, comprising carrying out asymmetric hydrogenation to 3-(3,4-dibenzyloxyphenyl)-2-dibe...  
WO/2018/086053A1
The present invention discloses a γ-aminobutyric acid semihydrate crystal. The formula of the crystal is C4H9NO2·0.5H2O. The present invention further discloses a preparation method for the γ-aminobutyric acid semihydrate crystal, whe...  
WO/2018/082096A1
Provided are a new γ-propalanine crystal form and a preparation method therefor. The method comprises steps of: S1: adding a crude γ-propalanine into water to prepare a γ-propalanine solution having an initial concentration of 0.5 to ...  
WO/2018/080869A1
Methods of making polyamides from renewable materials, such as natural oils, are generally disclosed herein. In some embodiments, the polyamides are nylon-10. In some such embodiments, nylon-10 is made by polymerizing 10-aminodecanoic ac...  
WO/2018/059279A1
Disclosed is a method for synthesizing a novel chiral ligand, a metal chelate, a variety of non-natural amino acids, Maraviroc and a key intermediate thereof. In the invention, (R)-2-methyl proline is selected and used as a starting raw ...  
WO/2018/057290A1
The invention relates to a method for synthesizing amino acids or amino acid derivatives involving cross metathesis of functionalized olefins and a tandem amination-reduction process. Amino acids and amino acid derivatives present many i...  
WO/2018/050795A1
The present invention relates to a process for preparing a carotenoid mono-ester of the formula (I), including the stereoisomers of formula (I), wherein, R1 is e.g. hydrogen, C1-C20-alkyl, C2-C20-alkenyl, C4-C20-alkdienyl, C6-C20-alktrie...  
WO/2018/041804A1
The present invention relates to a process for preparing 3-(2-hydroxybenzoyloxy)-4-(trimethylammonio)butyrobetaine hydrochloride of the formula (I), wherein the process comprises the reaction of 3-hydroxy-4-(trimethylammonio)butyrobetain...  
WO/2018/033883A3
The invention provides for a synthesised ester intermediate of formula 1. Formula 1 Wherein and wherein R may be a saturated or unsaturated fatty acid (C12-C20).  
WO/2018/033866A1
The present invention relates to a new chemical synthesis, intermediates and catalysts useful for the preparation of the neprilysin (NEP) inhibitor sacubitril, inter alia via nitro 5 compounds. It further relates to new intermediate comp...  
WO/2018/021010A1
Provided is a method for producing glycine with which it is possible to obtain glycine at a higher yield than with conventional methods, when glycine is synthesized from glycinonitrile. The method for producing glycine is characterized i...  
WO/2018/021338A1
The present invention is a method for producing a specific α-amino acid in which a specific α-amino acid amide and water are reacted with each other in the presence of a zirconium compound, wherein the zirconium compound contains zirco...  
WO/2018/014501A1
Disclosed is a device for the separation and extraction of a cosmetic amino acid, the structure of the device comprising: a first frame, a controller, a reserve power supply, a second frame, a shock absorber, a feed pipe, a distributing ...  
WO/2017/220308A1
Process for making a powder or granule containing at least one chelating agent selected from alkali metal salts of methyl glycine diacetic acid (MGDA) and glutamic acid diacetate (GLDA) and iminodisuccinic acid (IDS), said process compri...  
WO/2017/199227A1
The present invention relates to a simple economical process for the preparation of 3,4- dihydroxy-2-methyl benzoic acid C1-4 alkyl ester and novel intermediates for use in the process.  
WO/2017/183539A1
[Problem] To provide a compound that can be used on an industrial scale. [Solution] A compound represented by general formula (4) or a base adduct thereof. (In the formula, R3 and R4 independently represent a hydrogen atom or the like.)  
WO/2017/174413A1
The present invention is directed towards mixtures comprising (A) 90 to 99.999 % by weight of racemic methyl glycine diacetic acid (MGDA) or of MGDA with predominantly the L-isomer in an enantiomeric excess of up to 9.5% or their respec-...  
WO/2017/168313A1
The present invention provides an improved process for preparation of L-threo-(2S,3R)-3-(3.4- dihydroxyphenyl)serine (I) (Droxidopa) and its salts; comprising (a) reaction of the aldehyde compound (III) (as described herein) with Metal c...  
WO/2017/154738A1
The present invention addresses the problem of providing a novel method for producing an optically active amine compound that is useful as an intermediate for a medicine, an agrochemical, an electronic material and the like. A method for...  

Matches 1 - 50 out of 8,727