| Document |
Document Title |
|
WO/2021/191465A1 |
The invention relates to branched olefins comprising n carbon atoms, where n is an integer from 9 to 50, and comprising at least one pendant group selected from COOR, CH(COOR)(COOR), CH(COOR)CN, CHO, OR, a heterocycle comprising from 5 t...
|
|
WO/2021/190569A1 |
Disclosed are a low-migration hindered phenol antioxidant compound, a preparation method and a composition. During production, processing or use, polymers experience degradation due to factors such as light, oxygen, and heat. The oxidati...
|
|
WO/2021/188403A1 |
A catalyst comprising noble metal particles and titanium-containing particles. The noble metal particles and titanium-containing particles are disposed on an outer surface of a support. At least 20% by weight of the total weight of noble...
|
|
WO/2021/185304A1 |
A method for preparing a long aliphatic chain diacid derivative. The method comprises: (1) performing a cyclization reaction on long aliphatic chain diacid, the long aliphatic chain diacid having a structure as shown in formula (A); (2) ...
|
|
WO/2021/181290A1 |
The present invention relates to a method for producing (1R,3R)-2,2-dimethyl-3-(Z)-prop-1-en-1-yl) cyclopropane carboxylic acid [I] and its salts and esters, shown as figure I from easily available(1R,3S)-3-(2,2-dihaloethenyl)-2,2-dimeth...
|
|
WO/2021/182144A1 |
Provided is manufacturing technology for organic esters that is capable of manufacturing organic esters by an easy method with good production efficiency. Organic esters are manufactured by performing in parallel: a reaction step in whic...
|
|
WO/2021/180992A1 |
The present invention relates to a method for producing oleocanthal, the oleocanthal obtained using said method, and a composition thereof for use as a food supplement or functional food.
|
|
WO/2021/180002A1 |
Provided is a method for preparing an alkyl hydroxyl acid ester, the product and use thereof. The method has advantages of high yield, not producing waste water, gas, or solid, low cost, and is green and environment friendly.
|
|
WO/2021/182530A1 |
A novel method for producing an azole derivative represented by general formula (I) comprises: a step for obtaining a bromohydrin derivative through reaction between an organometallic reagent generated from 1-bromo-2-chloro-4-(4-chloroph...
|
|
WO/2021/174748A1 |
The present invention relates to a method for preparing a visible light catalyzed dichlorine addition product of an aliphatic olefin, comprising the following steps: using an aliphatic olefin as a substrate, using copper chloride having ...
|
|
WO/2021/174487A1 |
Disclosed is a method for preparing a terephthalate. In particular, provided is a method for purifying a crude dibasic ester prepared by reacting terephthalic acid with an alcohol in the presence of an esterification catalyst. The method...
|
|
WO/2021/172458A1 |
A method for separating water-containing crystals, the method including: a step for generating water-containing crystals from a mixed liquid that contains water, acetic acid, and methacrylic acid; and a step for separating the crystals, ...
|
|
WO/2021/172898A1 |
The present invention relates to an apparatus for manufacturing propylene glycol methyl ether acetate (PGMEA). The present invention can provide a manufacturing apparatus comprising: a reaction distiller in which propylene glycol methyl ...
|
|
WO/2021/172466A1 |
A catalyst for producing a carboxylic acid ester, said catalyst comprising catalytic metal particles and a carrier supporting the catalytic metal particles, wherein the hollow particle ratio is 40% or less.
|
|
WO/2021/169241A1 |
A method for preparation and in-situ separation of oligomeric ricinoleate. By using ricinoleic acid as a raw material and using a protonic acid-type ionic liquid as a catalyst, ricinoleic acid molecules are subjected to a dehydration est...
|
|
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...
|
|
WO/2021/168998A1 |
A method for preparing 2,5-tetrahydrofuran dimethanol fatty acid diester and an application thereof in a diesel additive. In the presence of a catalyst, an esterification reaction is carried out between 2,5-tetrahydrofuran dimethanol and...
|
|
WO/2021/170449A1 |
The present invention relates to a new process of production of menaquinone 4, which is also known as vitamin K2.
|
|
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...
|
|
WO/2021/167008A1 |
This method for producing an aromatic astatine compound comprises reacting aromatic iodonium ylide with astatine to produce an aromatic astatine compound.
|
|
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.
|
|
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.
|
|
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.
|
|
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.
|
|
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.
|
|
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...
|
|
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...
|
|
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...
|
|
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 ...
|
|
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 ...
|
|
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...
|
|
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 ...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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 ...
|
|
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...
|
|
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...
|
|
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...
|
|
WO/2021/122972A1 |
The invention relates to carboxylic acid esters of xylitol and to a process for enzymatically preparing carboxylic acid esters of xylitol.
|
|
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...
|
|
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...
|
|
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.
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
