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JP2023123750A |
To provide a synthesis method of 4'-ethynyl 2'-deoxy nucleosides and analogs thereof that eliminates the use of protecting groups on intermediates, improves the stereoselectivity of glycosylation, and reduces the number of process steps ...
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JP2023120206A |
To provide a polycarbonate resin capable of realizing an optical molded article having a high refractive index.The invention provides a compound represented by General Formula (1), and specifically, 9,9-bis(2'-hydroxyethyl)-2,7-dinaphtha...
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JP7332583B2 |
The present invention relates to a process for recovering 3-methylbut-3-en-1-ol from a feed stream F1 comprising 3-methylbut-3-en-1-ol, one or more solvents, water, and isobutene, wherein 3-methylbut-3-en-1-ol, the one or more solvents a...
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JP2023116178A |
To provide an alicyclic diol having a bis(hydroxymethyl) group, with high selectivity and in high yield.The present invention provides a method for producing an alicyclic diol having a bis(hydroxymethyl) group represented by the followin...
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JP7330907B2 |
The disclosure relates to downstream processing of fatty alcohol (FALC) and provides a novel purification method that provides FALC at high purity and yield.
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JP7320433B2 |
To provide a water-soluble polymer suited to a cement additive, a cement additive excellent in water-reducing performance, a cement composition excellent in flowability, and cement obtained by hardening a cement composition.A polymer com...
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JP2023533579A |
This paper discloses a method for preparing a copper-based hydrogenation catalyst, the catalyst prepared thereby and its use, wherein the preparation method comprises immersing activated carbon in an acid solution and an alkali solution ...
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JP2023532878A |
The present disclosure provides compounds useful as adjuvants in vaccines, as well as methods of synthesizing such compounds and methods of using such compounds in the formulation of vaccines. The disclosure also features methods of admi...
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JP7308864B2 |
The present invention relates to the field of catalytic hydrogenation and, more particularly, to methods of manganese-catalysed hydrogenation of esters to alcohols. Advantageously, where the esters are chiral, the hydrogenations proceed ...
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JP7289119B2 |
To provide a synthesis method for achieving asymmetric synthesis of substituted tetrahydrofuran derivative, especially 2-substituted-5-substituted methyltetrahydrofuran derivative.Provided are a method, in which an optically active subst...
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JP7284692B2 |
An object is to provide a method for producing aromatic alcohols, the method enabling an improvement in production efficiency by reducing clogging of a filtering device for separating an alumina-supported transition metal catalyst from a...
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JP7280617B2 |
A catalyst includes a carrier, and a metal obtained by reducing a metal ion supported on the carrier 1) in a supercritical state or 2) in a polar organic solvent, wherein the carrier is an inorganic porous body having a hierarchical poro...
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JP2023520023A |
A compound according to formula IIa which is (S,Z)-3,7-dimethylnon-6-en-1-ol and its use as a fragrance. [Chemical 1]
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JP2023066294A |
To provide a method for producing 2-methylene-1,3-propanediol in high yield.A method for producing 2-methylene-1,3-propanediol includes the step for reacting a compound represented by the formula (1) with a base. In the following formula...
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JP7270721B2 |
The present invention relates to a method for depolymerising oxygenated polymer materials, in particular by nucleophilic catalysis and to the use of said method in the recycling of plastic materials and the preparation of aromatic and al...
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JP7267932B2 |
The invention comprises novel chiral metal complex compounds of the formulawherein M, PR2, R3 and R4 are outlined in the description, its stereoisomers, in the form as a neutral complex or a complex cation with a suitable counter ion. Th...
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JP7260186B2 |
The present invention relates to novel compounds which are particularly useful for the synthesis of novel chromanol derivatives. These compounds have interesting properties. Particularly, the novel chromanol derivatives have interesting ...
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JP2023052711A |
To provide a technology for releasing biologically active substance using long-wavelength light with high bio-permeability that is intended for biological treatment, etc.By irradiating a caged compound represented by general formula (I) ...
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JP2023513202A |
Disclosed are compositions comprising 3-hexen-1-ol, perfuming formulations comprising same, such compositions, or articles of manufacture comprising perfuming formulations. The composition contains trans-3-hexen-1-ol in a concentration r...
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JP2023043488A |
To provide an oxidation catalyst which is a novel substance that can directly oxidize gaseous alkane such as methane more efficiently and convert it to alcohol.A novel substance hexanuclear copper complex [Cu6(μ3-OH)2(μ-OH)4(6-hpaC0)2]...
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JP7244510B2 |
A process of purification of a homoallylic alcohol by distillation in the presence of a base.
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JP2023508866A |
The present invention relates to dodecanedien-1-ol, dodecen-1-ol or mixtures thereof and processes for their preparation, the use of dodecanedien-1-ol, dodecen-1-ol or mixtures thereof as fragrance chemicals; Use of dodecanedien-1-ol, do...
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JP7232459B2 |
To provide an air oxidation method by which a hydroxy group or oxo group can be introduced by efficient air oxidation of a benzylic position under relatively mild reaction conditions by using a metal complex as a catalyst without a joint...
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JP2023025081A |
To provide novel compounds, acting as blocking molecules, with a low odour profile that decrease the perception of the malodour molecule 5α-androst-16-en-3-one.The present invention provides compounds such as a reaction product (1) show...
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JP2023506710A |
The present invention relates to the functionalization (by hydroboration) of certain 1,3-α-dienes. These functionalized 1,3-α-dienes are important intermediates in organic synthesis, especially in the synthesis of carotenoids, vitamin ...
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JP2023506145A |
The present invention relates to the functionalization of certain 1,3-α-dienes. These functionalized 1,3-α-dienes are important intermediates in organic synthesis, especially in the synthesis of carotenoids, vitamin A and/or vitamin A ...
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JP2023504975A |
The present invention relates to the field of perfumery. More specifically, the present invention relates to valuable new chemical intermediates for producing perfuming ingredients. Additionally, the present invention includes methods of...
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JP7219752B2 |
The invention discloses a method for preparation of alkylated, fluoro alkylated, chloro alkylated and fluorochloro alkylated compounds by a heterogeneous Co-catalysed alkylation or fluoro, chloro and fluorochloro alkylation with alkyl ha...
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JP7211837B2 |
To provide an addition reaction of a perfluoroalkyl radical to an olefin compound.A method for producing formula (5) or formula (6) includes reacting an olefin or acetylene with a fluorine-containing organic halogen compound in the prese...
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JP7210501B2 |
The present invention provides a process for preparing 2-isopropenyl-5-methyl-4-hexenoic acid of the following formula (4), comprising steps of:subjecting a Grignard reagent of the following general formula (1), wherein R1 represents a l...
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JP7204240B2 |
A method of chemically extending a carbon chain of an unsaturated fatty acid for conversion into a different unsaturated fatty acid has been reported. The present invention shortens reaction steps of conventional methods, and completes a...
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JP2023001795A |
To provide a purification method of a cyclic compound, which enables a high purity cyclic compound to be taken out efficiently even when the concentration of raw material is low.Provided is a purification method of a cyclic compound, com...
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JP2023000337A |
To provide a catalytic hydrogenation reduction method which enables performing a catalytic hydrogenation reduction reaction with a high conversion ratio.Provided is a catalytic hydrogenation reduction method which causes a reaction subst...
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JP2022550847A |
The present invention relates to a method of oxidizing santalene to santalol. The starting material is in particular a mixture containing alpha-santalene, beta-santalene, epi-beta-santalene, trans-alpha-bergamotene and beta-bisabolene. O...
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JP7182566B2 |
The present invention relates to new malodour-counteracting agents of formula (I) or stereoisomers thereof, particularly useful in blocking the olfactory perception of androstenone,wherein R1, R2, R3, R4, R5, R6, R7 and X have the same m...
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JP2022550065A |
Methods are provided for oxygenating benzylic CH bonds. The method involves photoinduced activation of an initiator and subsequent reaction with oxygen, resulting in the formation of free radicals. The free radical then catalyzes the rea...
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JP7180440B2 |
To provide a noble metal catalyst having a novel functional group selectivity in a reductive reaction, also provide a reduction method having a novel functional group selectivity, and further provide a method for producing a compound tha...
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JP2022547911A |
The present invention relates to a catalytically active material comprising grains of non-graphitizable carbon with iron nanoparticles dispersed therein, wherein dp, the mean of iron nanoparticles in said non-graphitizable carbon grains ...
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JP7173505B2 |
The present invention relates to a process of manufacturing of an unsaturated ketone of the formula (I) using adducts of tertiary amines and SO3 The reaction provides the unsaturated ketones in high yields and selectivities.
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JP7173911B2 |
To provide a method for producing iodinated aromatic compound, in which the regioselectivity of iodine introduction position is high, and the desired iodide compound can be obtained in a high yield.The method for producing iodinated arom...
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JP2022547910A |
The present invention relates to a catalytically active material comprising grains of non-graphitizable carbon with cobalt nanoparticles dispersed therein, wherein dp, the average diameter of the cobalt nanoparticles in the non-graphitiz...
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JP2022546781A |
The present invention relates to a catalytically active material comprising grains of non-graphitizable carbon with nickel nanoparticles dispersed therein, wherein dp, the average of nickel nanoparticles in said non-graphitizable carbon ...
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JP2022166441A |
To provide a production method that uses pentafluoroethane as raw material, creates a pentafluoroethyl anion in general-purpose solvent, reacting it with a carbonyl compound, to give a trifluoroethyl group-containing compound, wherein th...
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JP7160299B1 |
[Problem] To provide a stabilized formulation and a method for producing the same when araliadiol is used as a drug or functional food. A powder formulation containing araliadiol, dextrin and cyclodextrin. Preferably, it further contains...
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JP2022162225A |
To provide a production method that can produce 1-alkene-3-ol from 2-alkene-1-ol with high selectivity and at high yield.In the reaction of synthesizing 1-alkene-3-ol from 2-alkene-1-ol, a catalyst including metal oxide is used. For exam...
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JP7153937B2 |
Methods for preparation of olefins, including 8- and 11-unsaturated monoenes and polyenes, via transition metathesis-based synthetic routes are described. Metathesis reactions in the methods are catalyzed by transition metal catalysts in...
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JP2022157432A |
To provide a carotenoid compound, a method for producing the compound, and a screening method for an oxidosqualene cyclase mutant.New findings that a carotenoid desaturating enzyme converts oxidosqualene into various carotenoids allow th...
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JP7153604B2 |
To provide a method for manufacturing tertiary alcohol under a mild condition at high yield.There is provided a manufacturing method of tertiary alcohol, including (A) a process for preparing an agent by mixing or reaction a compound rep...
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JP7152715B2 |
To provide a method for producing an alicyclic oxygen-containing compound that can synthesize an alicyclic oxygen-containing compound in a one-stage reaction, having high yield.A method for producing an alicyclic oxygen-containing compou...
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JP7146646B2 |
The present invention provides a process for preparing an unsaturated alcohol of the formula (I), wherein one of R1 and R2 is preferably C2-C10-alkyl or C2-C10-alkenyl containing one double bond and the other one is preferably hydrogen o...
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