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WO/2021/170449A1 |
The present invention relates to a new process of production of menaquinone 4, which is also known as vitamin K2.
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WO/2021/168072A1 |
A method for preparing an alkyl 2-benzoylbenzoate comprising reacting a dialkyl phthalate with a Grignard reagent in the presence of an oxygenated solvent. The Grignard reagent may be selected from phenyl magnesium bromide, phenyl magnes...
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WO/2021/167008A1 |
This method for producing an aromatic astatine compound comprises reacting aromatic iodonium ylide with astatine to produce an aromatic astatine compound.
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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/2021/160864A1 |
The present invention pertains to a composition comprising at least one compound of formula (I) and to the use of said composition for recovering value minerals from ore and other feedstocks by flotation.
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WO/2021/162284A1 |
The present invention relates to an ester-based compound production method which has a simple post-treatment process, thus can reduce energy consumption, and enables production of a high-purity product.
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WO/2021/156578A1 |
The invention relates to anti-UV molecules of natural origin, and to the process for the synthesis thereof and also the process for the synthesis of analogues thereof. More particularly, it relates to a two-step process for the synthesis...
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WO/2021/156406A1 |
The present invention relates to a process for preparing 8-hydroxy-9,10-dioxo-anthracene-1- carboxylic acid. It also relates to a method for preparing an anthraquinone derivative comprising a step for preparing 8-hydroxy-9,10-dioxo-anthr...
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WO/2021/158481A1 |
The present invention includes substituted 1,1'-biphenyl compounds, analogues thereof, and compositions comprising the same. In one aspect, the compounds contemplated in the invention can be used to treat, ameliorate, or prevent hepatiti...
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WO/2021/153586A1 |
Trans,trans-muconic acid or an alkyl ester thereof, which serves as a raw material for terephthalic acid or an alkyl ester thereof, is produced by a step in which α-hydromuconic acid or an alkyl ester thereof, which can be derived from ...
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WO/2021/151870A1 |
The invention relates to a method for catalytically producing an alkyl formate, wherein at least one alpha-hydroxy aldehyde, at least one alpha-hydroxy carboxylic acid, at least one carbohydrate, and/or at least one glycoside is reacted ...
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WO/2021/146572A1 |
A compound of the Formula I or a pharmaceutically acceptable salt thereof, wherein R1, Ca, Cb, Cd, and n are the same as described in the specification. Disclosed is a method of diagnosing or monitoring a patient suffering from cancer, t...
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WO/2021/138073A1 |
The present disclosure relates to a process for preparing an alpha-substituted acrylate, the process comprising: a) combining starting materials comprising an alpha-(halomethyl) acrylate and an organoaluminum compound, thereby forming a ...
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WO/2021/137712A1 |
The invention relates to organic chemistry, and more particularly to the field of producing complex esters for use as plasticizers in different production processes. Even more particularly, the invention relates to a novel device for rem...
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WO/2021/137994A1 |
Methods are provided for synthesizing the grape mealybug pheromone, trans-alpha-necrodyl isobutyrate, starting with essential plant oils that contain trans-alpha-necrodyl acetate. The synthesis method, in two steps, converts the trans-al...
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WO/2021/138075A1 |
The present disclosure relates to a process for preparing an alpha-substituted acrylate, the process comprising: a) combining starting materials comprising an alpha-(halomethyl) acrylate and an organozinc compound, thereby forming a prod...
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WO/2021/129138A1 |
Disclosed is a method for preparing an organic carboxylic ester by means of combinatorial catalysis with an aryl bidentate phosphine ligand. The method comprises subjecting a terminal olefin, carbon monoxide and an alcohol to hydroesteri...
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WO/2021/131942A1 |
A di(meth)acrylate compound of the present disclosure is represented by formula (1). (In the formula, Z1a and Z1b each independently denote an arene ring, R1a and R1b each independently denote a substituent group, k1 and k2 each independ...
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WO/2021/133262A1 |
The invention relates to a process of wood mineralization using carbonates and / or hydroxides to improve the essential properties of wood, i.e. fire properties, fungal resistance and mechanical properties. The wood mineralization method...
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WO/2021/126939A1 |
Disclosed is a method for depolymerization of polyester. The method includes (a) treating said polyester with methanol under conditions sufficient to depolymerize at least some of said polyester and form a reaction product that includes ...
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WO/2021/126140A1 |
An esterification process that uses an acetic acid composition from a wood acetylation process as a reactant. Even though the acetic acid composition contains impurities, such as ethyl acetate, methyl acetate, acetaldehyde, acetone, terp...
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WO/2021/126142A1 |
An esterification process that uses an acetic acid composition from a wood acetylation process as a reactant. Even though the acetic acid composition contains impurities, such as ethyl acetate, methyl acetate, acetaldehyde, acetone, terp...
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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/2021/122972A1 |
The invention relates to carboxylic acid esters of xylitol and to a process for enzymatically preparing carboxylic acid esters of xylitol.
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WO/2021/124149A1 |
Process for purifying bis(2-hydroxyethyl)terephthalate (BHET) obtained from depolymerization of a polyethylene terephthalate (PET) waste, the process comprising: treating said solution with at least one oxidizing agent at a temperature o...
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WO/2021/127682A1 |
Methods and systems for producing vinyl acetate may use flammability limit (FL) formulas with improved efficiencies at more than one location in the vinyl acetate production process. Herein, FLs can be used at one or more of four portion...
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WO/2021/122973A1 |
The invention relates to a process for enzymatically preparing carboxylic acid esters of sorbitan and to the carboxylic acid esters of sorbitan obtainable by this process.
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WO/2021/126661A1 |
Provided is a process for depolymerization of a poly(C2-C4 alkylene terephthalate), which comprises contacting a poly(C2-C4 alkylene terephthalate) with methanol and a catalyst chosen from potassium carbonate, sodium carbonate, magnesium...
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WO/2021/123656A1 |
The invention relates to a process for preparing a composition of diesters comprising the reaction of an unsaturated compound of alcohol type or the ester thereof with a saturated fatty acid, in the presence of an acid catalyst. The inve...
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WO/2021/121925A1 |
A process for the production of a compound according to Formula (I), such as oleocanthal or oleacein, starting from oleuropein. The process provides the dialdehyde core of oleocanthal, oleacein and their analogues having the required ste...
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WO/2021/124696A1 |
Provided is a reactor device in which a fixed bed multi-tubular reactor is used to produce alkenyl acetate through a gas phase catalytic oxidation reaction of a lower olefin, acetic acid, and oxygen, and which enables accurate measuremen...
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WO/2021/116128A1 |
This invention relates to a process for producing cyanoacetates involving contacting a salt of an alkyl, alkenyl, alkynyl or aryl formyl acetate with a hydroxyl amine acid under appropriate conditions and for a time sufficient to yield a...
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WO/2021/114200A1 |
A preparation method for sugar esters, wherein sucrose and hydrogenated palm oil undergo a transesterification reaction without the addition of a solvent to obtain a crude products of sugar esters. The preparation method does not use sol...
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WO/2021/117760A1 |
A compound (A) according to the present invention is represented by formula (1). (In formula (1), each R1 independently represents a hydrogen atom or a group represented by formula (2), and each R2 independently represents a hydrogen ato...
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WO/2021/116608A1 |
The present invention relates to a process for the continuous synthesis of heavy alkyl acrylates by a transesterification reaction using hydrozincite as a heterogeneous catalyst.
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WO/2021/117764A1 |
A compound (A) according to the present invention is represented by formula (1). (1): R1O―R2―OR1. (In formula (1), R1s each independently represent a group represented by formula (2) or a hydrogen atom, and R2 represents a linear o...
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WO/2021/116099A1 |
The present invention relates to the field of perfumery. More particularly, it concerns valuable new chemical intermediates for producing perfuming ingredients. Moreover, the present invention comprises also a process for producing compo...
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WO/2021/111935A1 |
Provided is a novel fragrance composition which comprises a 2-cyclohexyl propionate ester analog. The fragrance composition comprises a compound represented by formula (1) and a compound represented by formula (2), wherein the mass ratio...
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WO/2021/110680A1 |
The present invention relates to compounds of formula (I) as properfume compounds. In particular, the present invention relates to a method to release a compound being a carbonyl of formula (II), a formate ester of formula (III) and/or a...
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WO/2021/105038A1 |
The invention relates to a mixture containing (meth)acrylic acid and/or (meth)acrylic acid ester having C1 to C8 alkyl and one or more compounds of the general formula (II) as shelf life- and storage stabilizers.
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WO/2021/107260A1 |
The present invention relates to a system for producing biodiesel after reducing the free fatty acid (FAA) content of oil and fat that contains a large amount (2.6 to 60%) of FAA (high acid value oil hereinafter), and more specifically, ...
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WO/2021/097012A1 |
A process is provided that results in an alkyl haloacrylate that is produced by reaction of a dialkyl or diaryl halomalonate with an aldehyde, preferably formalin or paraformaldehyde, and a base catalyst to produce an intermediate that i...
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WO/2021/096103A1 |
The present invention pertains to a method for hydrogenating a phthalate-based compound. According to the present invention, the generation of by-products in a hydrogenation reaction is suppressed, and improved catalytic activity and ext...
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WO/2021/092794A1 |
Disclosed are a catalyst for the carbonylation of dimethyl ether to produce methyl acetate, a preparation method therefor, and the use thereof. The catalyst contains a modified H-MOR molecular sieve, wherein the modified H-MOR molecular ...
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WO/2021/089183A1 |
The invention relates to a process (100) and to a plant for producing monoethylene glycol (110), wherein, in a carbonylation step (21), carbon monoxide (102) is reacted with methyl nitrite (104) to form dimethyl oxalate (105) and nitroge...
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WO/2021/092291A1 |
A composition having a recycle content value is obtained by reacting a recycle content feedstock to make a recycle content glycol ester by deducting from a recycle inventory a recycle content value applied to a glycol ester composition. ...
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WO/2021/092311A1 |
A recycle content glycol ether or glycol ether ester and method of making a recycle content glycol ether or glycol ether ester wherein the recycle content is derived directly or indirectly from the cracking of recycle content pyrolysis o...
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WO/2021/092305A1 |
A mixed ester composition having a recycle content value is obtained by reacting a recycle content feedstock to make a recycle content mixed ester or by deducting from a recycle inventory a recycle content value applied to a mixed ester ...
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