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WO/2021/002707A1 |
The present invention relates to a heat exchange system, which allows heat exchange between different streams included in a system for continuously preparing a diester-based composition, thereby enabling a reduction in the energy to be c...
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WO/2021/002702A1 |
The present invention relates to a diester-based material manufacturing unit characterized by including: a reaction device in which an esterification reaction of a dicarboxylic acid and a primary alcohol is performed; a column in which g...
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WO/2021/000318A1 |
A process for purifying (i) a hydrophilic organic solvent, (ii) a hydrolysable organic solvent, or (iii) a mixture of a hydrophilic organic solvent and a hydrolysable organic solvent by removing ionic contaminants from the hydrophilic or...
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WO/2020/261720A1 |
A method for producing methyl methacrylate, the method including a distillation step which includes: supplying a liquid reaction mixture obtained by causing methacrolein, methanol, and molecular oxygen to undergo oxidative esterification...
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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...
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WO/2020/257571A1 |
The invention provides methods of preparing 8-hy droxy-2,2, 14,14- tetramethylpentadecanedioic acid and methods of making a pharmaceutical material comprising a purified amount of 8-hy droxy-2,2, 14, 14-tetramethylpentadecanedioic acid. ...
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WO/2020/254460A1 |
The invention relates to a method for producing glycerol mono(meth) acrylate from 2,2-dimethyl-l,3-dioxolan-4-ylmethyl (meth)acrylate by acidic silica catalysed reaction with methanol.
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WO/2020/249198A1 |
The invention relates to a process for preparing polyol esters, in particular polyglycerol esters, of acyl-capped or acyl-blocked 3-hydroxybutyric acid and to the products obtainable in this way and the functionalized (e.g. esterified) d...
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WO/2020/249794A1 |
The present invention relates to novel fragrance compounds derived from campholenic aldehyde according to general Formula (II) or from the cyclopropanated campholenic aldehyde according to general Formula (III), or to compositions compri...
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WO/2020/249197A1 |
The invention relates to a process for preparing optionally functionalized acyl-capped (acyl-blocked) 3-hydroxybutyric acids and their salts and esters and to the products obtainable by this process and their use.
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WO/2020/249196A1 |
The invention relates to a method for producing, optionally functionalised, preferably fatty acid functionalised polyol esters, particularly polyglycerol esters, of 3-hydroxy butyric acid, and to products obtained in this way, and to the...
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WO/2020/249222A1 |
The present invention relates to novel fragrance compounds derived from campholenic aldehyde according to general Formula (II) or from the cyclopropanated campholenic aldehyde according to general Formula (III), or to compositions compri...
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WO/2020/249195A1 |
The invention relates to a method for producing polyol esters, particularly polyglycerol esters, of oxobutyric acid, to products obtained in this way, and to the use of same.
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WO/2020/245724A1 |
The multifunctional compound is represented by formula X-C(R)RF-Y, in which X and Y are each independently -C(O)-O-M, -C(O)-HAL, -C(O)-NR1 2, -C≡N, -C(O)NR1-SO2-Rf 1-W, or a fluorinated alkenyl group that is optionally interrupted by o...
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WO/2020/239750A1 |
The invention relates to the use of a specific type of calcium catalyst (C) for the preparation of alkoxylated glycerol esters, alkoxylated glycerol esters prepared in the presence of the catalyst and a process for the preparation of the...
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WO/2020/238189A1 |
Disclosed is a preparation method of an antioxidant 3,5-methyl ester, comprising the following steps: preparation of a catalyst and preparation of the antioxidant 3,5-methyl ester. Using methyl 3-(4-hydroxyphenyl)propionate as raw materi...
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WO/2020/241720A1 |
The present invention provides: a method which is capable of suppressing polymerization of methacrylic acid even if the methacrylic acid is in the coexistence of an extraction solvent such as xylene; and a method for producing a methacry...
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WO/2020/238559A1 |
Disclosed are a de-C2-symmetric diphenylamine-type chiral bisoxazoline ligand as shown in formula 3, a synthesis method therefor and the use thereof in an asymmetric catalytic reaction. The C2-symmetry of the ligand is removed by introdu...
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WO/2020/237378A1 |
The present disclosure relates to compounds of the formula (I) which are precursor compounds of esters, whereby upon hydrolysis of the precursor compound, an ester compound is released. This ester precursor approach can be useful for app...
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WO/2020/234128A1 |
The invention concerns a process for preparing an aldol ester of the formula (I), characterized in that at least one carboxylic anhydride of the formula (II) is reacted with at least one aldol of the formula (III) with heating in the pre...
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WO/2020/234519A1 |
The invention relates to the manufacture of alkyl acrylates by direct esterification of acrylic acid with the corresponding alcohol. In particular, the invention relates to the use of a topping column equipped with a sidestream for drawi...
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WO/2020/233778A1 |
The invention relates to fragrance or flavouring agent mixtures containing (i) (E)-2-methyl-but-2-ene dicarboxylic acid diester, (ii) (Z)-2-methyl-but-2-ene dicarboxylic acid diester and (iii) 2-methylene butane dicarboxylic diester and ...
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WO/2020/232542A1 |
The present disclosure relates to carbon dots, uses thereof and methods of manufacture thereof. For example, such carbon dots can be used in the production of biofuels such as biodiesel. For example, these carbon dots can be used as cata...
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WO/2020/233502A1 |
Disclosed is a method for preparing cannabidiol and analogues thereof; the method is implemented by means of reacting a resorcinol derivative with menthyl-2,8-dien-1-ol or a derivative thereof. The method of the present invention has adv...
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WO/2020/230555A1 |
A method for forming a carbon-carbon bond, wherein: a reaction is performed by filling a container with a platinum group metal-loaded catalyst and having a starting material liquid permeate through the platinum group metal-loaded catalys...
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WO/2020/230800A1 |
The present application discloses a method and a compound useful in the preparation of a compound represented by formula (XI). Furthermore, the present application discloses a compound that is represented by formula (XI) and that has few...
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WO/2020/229891A1 |
Methods of manufacturing cannabidiol (CBD) and cannabidivarin (CBDV); intermediates of the methods of manufacturing CBD and CBDV; and crystallized CBD and CBDV obtained via described methods.
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WO/2020/230725A1 |
The present invention addresses the problem of providing a novel method for producing a fluorinated iodinated organic compound. This problem can be solved by a method for producing a fluorinated iodinated organic compound, the method inc...
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WO/2020/226271A1 |
The present invention relates to a method for preparing a (meth)acrylic acid ester-based compound. According to the preparation method, a diamine-based compound and an acid anhydride are used so that an acryl structure is easily introduc...
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WO/2020/220651A1 |
Disclosed are a method for synthesizing a chiral 2-hydroxy-1,4-dicarbonyl compound by using a tetrapeptide TP or an enantiomer ent-TP thereof as a chiral catalyst to catalyze an asymmetric Aldol reaction between fatty aldehyde and glyoxy...
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WO/2020/218365A1 |
[Problem] To provide a curable composition which has excellent curability, preferably can contain water that is environment-friendly, can be cured into a cured film having excellent adhesiveness to a base material, particularly to a plas...
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WO/2020/215357A1 |
The present invention provides a method for preparing a chiral β-hydroxycarboxylate compound: first, under nitrogen protection, dissolving [Ir(COD)Cl]2, a ligand, and an alkaline additive in a solvent, and stirring same at room temperat...
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WO/2020/214422A1 |
A method for preparing methyl acrylate comprises heating in a reaction zone a mixture comprising acrylic acid, methanol, and an acid catalyst to react and form a reaction product comprising methyl acrylate which is vaporized with other l...
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WO/2020/214423A1 |
A method for preparing methyl acrylate comprises: a) heating in a reaction zone a mixture comprising acrylic acid, methanol, and an acid catalyst to react and form a reaction product comprising methyl acrylate which is vaporized with oth...
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WO/2020/207952A1 |
The invention discloses the use of activated carbon with a mesh size smaller than 80 for the decolorization of acetoacetylated glycerol.
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WO/2020/206538A1 |
It is provided a method of converting a carbonaceous material into syngas at a carbon conversion rate of at least 78% comprising gasifying the carbonaceous material in a fluidized bed reactor producing a crude syngas, classifying the cru...
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WO/2020/210161A1 |
A method for making a caffeoylquinic composition from a botanical source is disclosed. The method may include chromatographing an extract of biomass on an ion exchange stationary phase and obtaining an eluent comprising a caffeoylquinic ...
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WO/2020/204558A1 |
The present invention relates to a method for continuous preparation of an ester-based composition and a preparation system therefor, which can increase the yield of preparation by optimizing process parameters of each reactor in a react...
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WO/2020/204555A1 |
The present invention relates to a system and a method for preparing an ester-based composition, characterized in that a plurality of batch-type reactors are operated sequentially, wherein the ester-based composition is semi-continuously...
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WO/2020/199081A1 |
The present invention provides a method for preparing a 2-arylmalonic acid derivative, an intermediate, and an application thereof. In the method, a cyclohexadiene compound is taken as a raw material, and isomerization reaction, halogena...
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WO/2020/201534A1 |
The invention disloses a method for preparation of an acetoacetylated polyol by reaction of a polyol with deketene in the presence of a base and in the absence of a solvent.
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WO/2020/203580A1 |
The present invention provides a method for producing a hetero type monodisperse polyethylene glycol having a step (A) for subjecting a compound of formula (2) and a compound of formula (3) to a nucleophilic substitution reaction so as t...
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WO/2020/204562A1 |
The present invention relates to a continuous refining system for esterification reaction products, and a continuous refining method which is for esterification reaction products and can be performed via the continuous refining system. T...
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WO/2020/201974A1 |
The present invention relates to a novel process for preparation of compounds of formula (I) used in the synthesis of Pinoxaden. The intermediate is a substituted phenyl malonic esters of formula (I), where R is C1-C4 alkyl, straight or ...
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WO/2020/204554A1 |
The present invention relates to a manufacturing system and method allowing continuous manufacturing of an ester-based composition, having the technical feature of allowing continuous, economical, and effective manufacturing of an ester-...
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WO/2020/196150A1 |
This molded catalyst body is used in order to produce an unsaturated aldehyde and/or an unsaturated carboxylic acid by means of an oxidation reaction, and simultaneously satisfies requirements (A) and (B). (A) Before being filled in a re...
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WO/2020/188359A1 |
The present disclosure relates to the formation of dimethyl terephthalate (DMT) and mono ethylene glycol (MEG). The present invention also relates to the depolymerization of polyethylene terephthalate (PET) and the recovery of dimethyl t...
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WO/2020/182138A1 |
Provided is a method for improving a reaction yield. By using the method of the present invention, after a reaction product leaves a catalyst bed, an inert substance with a low temperature is sprayed, and through heat absorption and vapo...
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WO/2020/184616A1 |
The present invention provides a catalyst in which an alkali metal element and at least one first metal element selected from among boron, magnesium, zirconium and hafnium are supported by a silanol group-containing carrier, wherein the ...
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WO/2020/185513A1 |
Processes for making reactive surfactants are disclosed. In one such process, a fatty epoxide, a glycidyl ether, or a combination thereof is reacted with an olefin-functional nucleophile to produce an olefin-functional hydrophobe. The ol...
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