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JP2022087349A |
To provide a method for efficiently producing a polyvalent glycidyl compound by oxidizing a polyvalent allyl compound by using hydrogen peroxide as an oxidizing agent.A method for producing a polyvalent glycidyl compound includes epoxida...
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JP2022527665A |
A method for drying a stream containing propylene oxide. The method can include contacting a stream containing propylene oxide with a molecular sieve. The molecular sieve can be in the drying device and can be regenerated. Streams contai...
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JP7066849B2 |
Disclosed are a method and system for producing an epoxyalkane, the method and system mainly solving the problems in the prior art of the accumulation of heavy fraction impurities resulting in a decrease in the purity of an extracting ag...
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JP7065044B2 |
Disclosed herein are methods for preparing [(2S,3R)-N-[(2S)-3-(cyclopent-1-en-1-yl)-1-[(2R)-2-methyloxi
ran-2-yl]-1-oxopropan-2-yl]-3-hydroxy-3-(4-methoxyphenyl)-2-
[(2(S)-2-[2-(morpholin-4-yl)acetamido]propanamido]propanamid
e (compound...
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JP7061538B2 |
To provide a method for purifying an epoxy compound having a high removal rate of chlorine ions and being low cost.A method for purifying a diglycidyl amine epoxy compound represented by a formula (1), includes liquid separating operatio...
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JP7061227B2 |
Disclosed in the present invention is a process for preparing epichlorohydrin by means of the direct epoxidation of chloropropene, a modified heteropolyacid immobilized catalyst and a preparation method therefor; specifically, disclosed ...
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JP7060019B2 |
A compound represented by formula (II):(where Ar represents a phenyl group optionally substituted by 1 to 3 substituents selected from the group consisting of a halogen atom and a trifluoromethyl group, and R represents a hydrogen atom o...
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JP7050622B2 |
The object of the present invention is to provide an industrial and economical process for preparing (E2)-cis-6,7-epoxy-2-nonenal of the following formula (3):The present invention provides a process for preparing (E2)-cis-6,7-epoxy-2-no...
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JP2022519305A |
The present invention is a three-phase single reactor containing a solid component, a liquid component, and a gas component. (i) The solid component is a catalytically active complex (a) based on at least one perforated permeable carrier...
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JP7021357B2 |
There is provided a method of producing ethylene oxide and ethylene glycol capable of reducing a concentration in discharged water of 1,4-dioxane contained generated in a step of producing ethylene oxide and ethylene glycol.A method of p...
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JP7012578B2 |
To provide a novel polyfunctional epoxy compound, and a method of producing the compound.The invention provides a compound represented by the formula (I) in the figure, where X are each independently O or S; and R are each independently ...
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JP7018880B2 |
Provided is a method for producing propylene oxide comprising: (1) an oxidation step, (2) a distillation step, (3) an epoxidation step and (4) a separation step, wherein (2) the distillation step is a step of distilling the reaction mixt...
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JP2022513573A |
The present invention relates to a method for oxidizing β-caryophyllene with oxygen, particularly oxygen in the atmosphere, and avoiding the use of catalysts, enzymes and solvents. In addition, the invention provides mixtures containing...
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JP2021187740A |
To provide a manufacturing method of an epoxy compound that can be simply and efficiently reused without damaging a yield of a reaction product and activity of a catalyst, about a phase transfer catalyst used in a reaction of oxidizing a...
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JP6970298B2 |
The present invention relates to a preparation method for an olefin epoxidation catalyst, comprising: (1) preparing a titanium-silicon gel; (2) performing pore-enlarging treatment to the titanium-silicon gel by using organic amine or liq...
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JP6970739B2 |
Provided is a method for producing a titanium-containing silicon oxide that is capable of maintaining high catalytic activity for a long period of time in cases where the titanium-containing silicon oxide is used as a catalyst for a reac...
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JP6955815B2 |
A process for the preparation of a titanium-containing zeolitic material having an MWW framework structure, the process comprising (i) providing a zeolitic material having an MWW framework structure comprising SiO2 and B2O3, (ii) incorpo...
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JP6947690B2 |
The object of the invention is to provide convenient and efficient processes for preparing (2E,6Z)-2,6-nonadienal and (2E)-6,7-epoxy-2-nonenal with a reduced number of steps.The present invention provides a process for preparing (2E,6Z)-...
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JPWO2020017141A1 |
A reactive diluent containing a compound represented by the following general formula (1) (n is 0 or 1 in the formula (1)). [Chemical 1]
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JP6929866B2 |
The present invention relates to a 2,3-epoxy succinyl derivative, a preparation method and a use thereof, in particular, the present invention relates to a compound represented by Formula (1), a racemate or an optical isomer thereof, a s...
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JP6925539B2 |
A propylene oxide separation system comprising a heavies distillation column configured to receive a crude propylene oxide stream and discharge a heavies purge bottoms comprising at least one impurity selected from acetone, methanol, ald...
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JP2021120372A |
To provide a nebivolol synthesis method that is highly efficient and inexpensive, and meets the requirements for industrialization, and to provide an intermediate compound from the method.D-nebivolol represented by the following formula ...
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JP6921913B2 |
To provide a nebivolol synthesis method that is highly efficient and inexpensive, and meets the requirements for industrialization, and to provide an intermediate compound from the method.D-nebivolol represented by the following formula ...
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JP6909127B2 |
To provide a method of producing a diepoxide compound.The method of producing a diepoxide compound comprises epoxidating a diolefin compound in the presence of an enzymic catalyst, hydrogen peroxide and a buffer so as to produce the diep...
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JP6898596B2 |
[Problem] To provide a multifunctional epoxy compound which has a low permittivity, and, when added to a generic epoxy resin composition, can achieve a sufficient reduction in permittivity of a cured epoxy resin product obtained from the...
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JP6898891B2 |
The object of the present invention is to provide a process for preparing a 5-alken-1-yne compound efficiently at low costs and a process for preparing (2E,6Z)-2,6-nonadienal by making use of the aforesaid process for preparing the 5-alk...
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JP2021062340A |
To provide a catalyst improved further in ethylene oxide selectivity.A catalyst for ethylene oxide production used for producing ethylene oxide from ethylene contains silver, cesium and rhenium and contains substantially no Group-6 eleme...
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JP6856773B2 |
The present disclosure relates to a method including subjecting an organic stream comprising at least one oxygenate to hydrotreatment, whereby a hydrotreatment product comprising ethylbenzene is produced, wherein the organic stream is a ...
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JP6853639B2 |
To provide a purification method of a highly heat-resistant diglycidyl compound represented by general formula (I).A highly heat-resistant diglycidyl compound represented by general formula (I) is obtained by removing low epoxy equivalen...
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JP6850070B2 |
To provide a composition comprising 1,3-dichloro-1,2,3,3-tetrafluoro propylene oxide or 1,1,3-trichloro-2,3,3-trifluoro propylene oxide with a low content of CFCl-CF=CXCl(X is F or Cl).A composition has a compound (A) and a compound (B) ...
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JP6845417B2 |
To provide a method for producing a naphthalene type epoxy compound capable of efficiently producing an epoxy compound which can impart excellent heat resistance to an epoxy resin without contamination of an organic chlorine compound.A m...
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JP2021508816A |
An automated system and method for obtaining the concentration of impurities in a liquid ethylene oxide product stream is presented and described. Systems and methods use remote injection of small amounts of liquid ethylene oxide and rap...
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JP6839172B2 |
The invention relates to a method for obtaining glycidol in a semi-continuous or continuous manner by decarboxylating glycerol carbonate at reduced pressure, at a temperature less than or equal to 130°C and in the presence of alkoxide c...
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JP6837438B2 |
This invention discloses an olefin oxidation process, including a step of under olefin oxidation conditions, successively passing a reaction feed from the No.1 catalyst bed through the No.n catalyst bed, wherein if the apparent velocity ...
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JP2021024855A |
To obtain a polymerizable compound which can form a resin having high thermal conductivity, and a composition for electronic components which contains the polymerizable compound and can form a highly thermally conductive material.A polym...
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JP6830550B2 |
Disclosed in the present invention are a preparation method for an olefin epoxidation catalyst and applications thereof. The method comprises: loading an auxiliary metal salt onto a silica gel carrier, and carrying out a drying treatment...
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JP6823266B2 |
It is possible to produce an optically active fluoroalkyl chloromethyl alcohol with a high optical purity and a good yield by treating a fluoroalkyl chloromethyl ketone with a microorganism having an activity for asymmetrically reducing ...
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JP6826334B2 |
To provide a hollow silica particle internally containing molybdenum oxide nanoparticles and advantageously available as a yoke shell type catalyst, and a process for producing the particle.A process for producing a hollow silica particl...
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JP6812062B2 |
To provide a novel water-soluble epoxy compound excellent in reactivity with hydrophilic material.An epoxy compound is represented by formula (1) in which three hydroxyl groups in myo-inositol are epoxidized. In the formula, Rto Rare eac...
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JP6812315B2 |
To provide a novel aromatic compound having an epoxy group and alkenyl group, useful as a compatibilizer of various resins, a coating, an adhesive, a fiber modifier, a dispersant, a resist material or the like, and provide a novel method...
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JP6798674B2 |
To provide a production method which makes it possible to obtain glycidyl ester with high yields from the ester exchange reaction between ester and glycidol with a convenient catalyst in a mild reaction condition.Glycidyl ester is produc...
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JP6783182B2 |
The present invention discloses a method for fabricating a titanium-containing silicon oxide material with high thermal stability and applications of the same, wherein a titanium source, a silicon source, an alkaline source, a template m...
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JP6779057B2 |
To provide an industrially simple method for producing an aromatic compound having 2 or more glycidyl groups in an aromatic skeleton and low molecular weight, with safety, low cost, high yield and low chlorine content.Hydrogen peroxide (...
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JP6777481B2 |
To provide a production method of a highly heat-resistant diglycidyl compound among diglycidyl compounds obtained by reaction of 6-hydroxy-2-naphthoic acid with epihalohydrin in the presence of a catalyst.A production method of a diglyci...
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JP6767035B2 |
To produce optically active epoxide from olefin using a novel iron-salen complex.There is provided a novel iron-salen complex represented by the following formula (in the formula, Reach independently represents a C1-C20 halogenated alkyl...
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JP6763420B2 |
A method of producing an epoxy compound, which comprises reacting hydrogen peroxide with a compound having a carbon-carbon double bond, in the presence of at least one of a tungsten compound and a molybdenum compound; and an onium salt c...
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JP6763293B2 |
To provide a novel aryl compound having a glycidyl group and a (meth) allyl group, and a method for producing the compound. An aryl compound having three or more glycidyl groups, represented by formula (1), and three or more (meth) allyl...
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JP6761288B2 |
To provide a manufacturing method of a 2-cyclopropyl phenolic compound capable of effectively suppressing side reactions under mild condition (temperature, agent, solvent or the like), capable of suppressing the amount of the agent and t...
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JP6748205B2 |
Provided is a method for more efficiently producing propylene oxide, specifically, a method for producing propylene oxide comprising: 1) oxidation step, 2) epoxidation step, 3) separation step, 4) cumene conversion step, and 5) cumene re...
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JP6743386B2 |
To reduce formation of side products and to enhance a selectivity rate in a method for producing 3-chloro-2-hydroxypropyl (meth)acrylate and in a method for producing glycidyl (meth)acrylate. The present invention is characterized by a m...
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