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WO/1987/001698A2 |
Novel 1,4-naphthalenediol and 1,4-hydroquinone derivatives of formulas (I, II, III and IV) and their therapeutic uses as 5-lipoxygenase inhibitors, leukotriene inhibitors, antiinflammatory and/or inhibitors of mucus secretion agents. Als...
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WO/1986/004058A1 |
Quinone derivatives represented by general formula (I), wherein R1 and R2 may be the same or different and each represents hydrogen, methyl or methoxy or, when taken together, R1 and R2 represent -CH=CH-CH=CH-, R3 represents hydrogen or ...
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WO/1986/000887A1 |
Quinone derivatives represented by general formula (I) wherein R1 and R2 may be the same or different, and each represents hydrogen, methyl or methoxy or, when taken together, R1 and R2 represent -CH=CH-CH=CH-, R3 represents hydrogen or ...
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WO/1984/004300A1 |
A process for removing unalkylated anthraquinones from alkylated anthraquinone by forming a solution thereof, reducing the solution sufficiently so that at least part of the unalkylated anthraquinone is in the reduced form and extracting...
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WO/1982/003625A1 |
An inactivation of the catalytic system easily occurs during the oxidation of reactive aromatics by means of molecular oxygen, in a carboxylic acid solution and in presence of a catalyst which, consists itself of a cobalt compound with o...
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WO/1981/002797A1 |
Phenolic and naphtholic compounds have been found to be useful as dye forming developers in photographic silver halide constructions. The dye forming developers form dye images upon oxidation and do not require the presence of couplers i...
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WO/1980/001690A1 |
Compositions of matter which are highly useful in hydroformylation processes. The compositions are non-charged, non-chelated bis- and tris-(alkyl diaryl phosphine) rhodium carbonyl hydrides. The substituents of the alkyl group include he...
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WO/1980/001693A1 |
An optionally substituted anthraquinone is manufactured by oxidising the corresponding anthracene in an inert aromatic solvent, for example nitrobenzene, in the presence of oxygen and from 0.01 to 50 parts by weight of nitrogen dioxide p...
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WO/1980/001692A1 |
Complexes of the formula (FORMULA) in which R is selected from an alkyl group containing 1 to 30 carbon atoms and an aryl group containing from 6 to 10 carbon atoms; Q is a divalent organic radical selected from an alkylene group and an ...
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WO/1980/001689A1 |
Novel ligand materials and transition metal complexes thereof which are useful as solvents and/or catalysts for various processes, including catalytic conversion processes for the conversion of hydrocarbons or carbon monoxide, such as th...
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WO/1980/001691A1 |
A process in which an alpha-olefin containing n carbon atoms is reacted with hydrogen and carbon monoxide in the presence of a complex rhodium-containing catalyst and a base to form aldehydes containing 2n+2 carbon atoms, wherein the rea...
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WO/1980/000340A1 |
In a process for purifying naphthoquinone obtained by gas phase catalytic oxidation of naphthalene, the improvement which comprises contacting a solution of the naphthoquinone dissolved in a solvent capable of dissolving naphthoquinone a...
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JP7442826B2 |
The purpose of the present invention is to provide a method for synthesizing a p-quinone using one of alkoxy-substituted benzenes as a starting material. The present invention relates to a method for producing a compound of formula (II...
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JP7417969B2 |
The purpose of the present disclosure is to provide a novel adsorption agent. The present disclosure includes a compound represented by formula (3). (In formula (3), each occurrence of R1 independently represents a hydrogen atom or an ...
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JP2023540417A |
The present invention uses methylene blue as a photosensitizer in a solvent mixture of water and alcohol and light in the long wavelength region of the visible spectrum to obtain 2,3,5-trimethylbenzoquinone. Concerning the photooxidation...
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JP2023540418A |
The present invention uses methylene blue as a photosensitizer in a solvent mixture of water and alcohol and light in the long wavelength region of the visible spectrum to obtain 2,3,5-trimethylbenzoquinone. Concerning the photooxidation...
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JP2023538987A |
The present invention relates to the photo-oxidation of phenolic compounds to their respective quinoid compounds using light in the high wavelength range of the visible spectrum, using methylene blue as a photosensitizer in a solvent mix...
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JP7196090B2 |
Provided is a beta zeolite also having exceptional catalytic activity as a catalyst other than an olefin epoxidation catalyst. This beta zeolite is synthesized without using an organic structure-directing agent and has titanium in the st...
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JP7175102B2 |
To provide a crystalline porous titanosilicate catalyst for manufacturing p-benzoquinones by a reaction of phenols and peroxide at high selectivity.There is provided a crystalline porous titanosilicate catalyst for manufacturing p-benzoq...
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JP7150476B2 |
To provide a crystalline porous titanosilicate catalyst for manufacturing p-benzoquinones by a reaction of phenols and peroxide at high selectivity.There is provided a crystalline porous titanosilicate catalyst for manufacturing p-benzoq...
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JP7082194B2 |
There are provided a method for manufacturing a modified aluminosilicate by which a hydroquinone is highly selectively manufactured by reaction of a phenol with hydrogen peroxide, a modified aluminosilicate, and a method for manufacturin...
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JP7050747B2 |
The present invention relates to novel lignin-derived compounds and compositions comprising the same and their use as redox flow battery electrolytes. The invention further provides a method for preparing said compounds and compositions ...
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JP2022505257A |
Disclosed herein are methods of treating or suppressing disorders selected from the group consisting of α-synucleinopathy, tauopathy, ALS, traumatic brain injury, and ischemia-reperfusion-related injury. , Therapeutic effective dose for...
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JP6912664B2 |
The present invention provides processes for the preparation of 3, 5-Dihydroxy-4-isopropyl-trans-stilbene or a salt or solvate thereof and novel intermediates used therein. In some embodiments the 3, 5-Dihydroxy-4-isopropyl-trans-stilben...
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JP6893360B2 |
In a production method of the present disclosure, a 1,1'-binaphthyl precursor derivative, an organic acid, and an iodinating or brominating agent are mixed. The 1,1'-binaphthyl precursor derivative has a 1,1'-binaphthyl skeleton and has ...
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JP6890616B2 |
Improved systems and methods for producing synthetic hypericin at high volume and high purity.
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JP2021514355A |
At least one chroman (C1), in the presence of a copper catalyst, in a solvent mixture containing at least two solvents, or by a gaseous compound consisting of oxygen, essentially from oxygen, or consisting of oxygen, or C Disclosed is a ...
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JP6871793B2 |
To provide a method for methylating a phenol derivative with good selectivity.The present invention provides a method for selectively methylating the ortho position and/or para position of a phenol derivative, characterized by subjecting...
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JP6753702B2 |
To provide a method for inhibiting the decomposition of a dihydroxybenzene compound in an aqueous liquid.The present invention provides a method for inhibiting the decomposition of a dihydroxybenzene compound added to an aqueous liquid. ...
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JP6643005B2 |
Provided is a method of producing 2-hydroxy-1,4-naphthoquinone in a large amount, a high yield, and inexpensively. This method comprises oxidizing 2-hydroxynaphthalene with hydrogen peroxide in (1) an alkaline aqueous solution or in (2) ...
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JP2019156661A |
To provide a process for producing hydrogen peroxide using a working solution comprising a novel anthraquinone derivative that has a lower melting point and is easy to handle.The problem can be solved by an anthraquinone method-based hyd...
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JP6568880B2 |
A method of producing alpha-tocotrienol quinone or a stereoisomer thereof, the method comprising selective opening of alpha-tocotrienol chroman to alpha-tocotrienol quinone in the presence of non-alpha tocotrienol chromans by oxidizing a...
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JP6561049B2 |
The invention relates to a method for producing 2,3,5-trimethyl benzoquinone or a compound containing 2,3,5-trimethyl benzoquinone, the method comprising the following steps: Oxidation of 2,3,6-trimethylphenol with oxygen or an oxygen-co...
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JP2019064919A |
To provide techniques for transporting hydrogen in which problems of energy loss and biological safety are mitigated.Provided is an agent which is used when transporting hydrogen from location A to location B. This agent is a compound re...
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JP2019065041A |
To provide processes for production, enrichment and/or isolation of pure α-tocotrienol.This invention discloses novel processes for production, enrichment and/or isolation of alpha-tocotrienol from source material comprising at least on...
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JP6407645B2 |
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JP2018104471A |
To provide a method for producing alpha-tocotrienol quinone or a stereoisomer thereof.A method for producing alpha-tocotrienol quinone or a stereoisomer thereof comprises a step of selective opening of alpha-tocotrienol chroman to alpha-...
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JPWO2016199789A1 |
In order to produce various functional trifluoromethyl compounds, it is an object of the present invention to synthesize trifluoromethyl-substituted semisquarates in a short process and efficiently. Using squalate as a starting material,...
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JP6271415B2 |
Naphthoquinones, azanaphthoquinones and benxanthones, their process of synthesis and their use as antimalarial or antischistosomal agents.
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JP6080281B1 |
[Subject] An object of the present invention is to provide a method that oxidation reaction output of the hydrocarbon or its derivative can be manufactured efficiently by using hydrocarbon or its derivative as materials. [Means for Solut...
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JP5969616B2 |
The present invention is: a guest-compound-enveloping polymer-metal-complex crystal characterized by at least one selected from an aliphatic hydrocarbon, an alicyclic hydrocarbon, an ether, an ester, an aromatic hydrocarbon, a halogenate...
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JP5917458B2 |
Methods of treating or suppressing mitochondrial diseases, such as Friedreich's ataxia (FRDA), Leber's Hereditary Optic Neuropathy (LHON), mitochondrial myopathy, encephalopathy, lactacidosis, stroke (MELAS), or Kearns-Sayre Syndrome (KS...
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JP2015531404A |
Vitamin K2The MK-7 type preparation method is characterized by the addition of a hexaprenyl chain in the "whole trans" configuration to the monoprenyl derivative of menadiol by the "1 + 6" strategy. According to the present invention, in...
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JP2015187169A |
To provide processes for production, enrichment and/or isolation of pure α-tocotrienol.The invention discloses novel processes for production, enrichment and/or isolation of α-tocotrienol from a raw material source comprising at least ...
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JP2015168660A |
To produce arylhydroquinones and arylquinones in mild conditions without using a rare metal catalyst.A method for producing arylhydroquinones by Michael addition of a an aryl compound with quinones in the presence of a catalyst. As the c...
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JP5775459B2 |
The invention discloses novel processes for production, enrichment and/or isolation of alpha-tocotrienol from source material comprising at least one non-alpha-tocotrienol, such as natural extracts comprising mixed tocotrienols.
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JP5725299B2 |
1,4 naphthoquinones derivatives, of formula (I) wherein A is selected from the following rings: their preparation and their application as antimalarial agents
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JPWO2013121873A1 |
The method for producing a biaryl compound of the present invention includes a step of reacting phenol or naphthol in the presence of tetrabutylammonium iodide and tert-butyl hydroperoxide or hydrogen peroxide. [Chemical 1]
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JP2015010050A |
To provide a production method for producing a valuable product using lignin in which an effective utilization method development thereof is required without using expensive, or special facilities, agents, and processes.Hydrogen peroxide...
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JP5641582B2 |
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