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JP6461939B2 |
Disclosed are novel ruthenium compounds of formula (Ia) and (Ib): wherein R1 and the moiety are defined herein. Also disclosed is a process for using these novel ruthenium compounds as catalysts for asymmetric hydrogenation and transfer ...
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JP6462426B2 |
To provide a simple production method for introducing a difluoromethyl group and a hydroxy group to an olefin in one step.A method of obtaining a difluoromethyl group-containing alcohol represented by formula (2) comprises reacting an ol...
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JP6462498B2 |
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JP2019011367A |
To provide a method for manufacturing optical active secondary alcohol with high optical purity by hydrogenating a substrate carbonyl compound using a ruthenium complex with a specific optical active diphosphine compound and an amine com...
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JP6456364B2 |
The present invention provides a novel ruthenium complex that is easy to produce and handle and that can be supplied relatively inexpensively, a method for producing this ruthenium complex, a method for producing alcohols and the like us...
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JP6452688B2 |
The present invention provides new stable crystalline N -iodoamides - 1-iodo-3,5,5-trimethylhydantoin (1-ITMH) and 3-iodo-4,4-dimethyl-2-oxazolidinone (IDMO). The present invention further provides a process for the preparation of organi...
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JP6447940B2 |
The present invention relates to a structured catalyst based on sintered metal fibers (SMF) coated by a non-acidic metal oxide layer impregnated with Pd and Agnanopartides, characterized in that the ratio of the Pd:Ag is 1:1 to 10:1, as ...
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JP6450753B2 |
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JP6443708B2 |
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JP6444378B2 |
wherein R2 is, independently, hydrogen atom, hydroxyl group, optionally substituted C1-C6 alkyl group, C1-C6 alkoxy group, or —O(C═O)CH(CH3)2 wherein any two of R2 may form an optionally substituted 5 or 6 membered ring. The compound...
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JP6437187B2 |
The object of this invention is to provide a method for producing an optically active secondary alcohol at a high optical purity by hydrogenating a substrate carbonyl compound at a high efficiency using as a catalyst a ruthenium complex ...
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JP6419096B2 |
The present invention relates to processes for the reduction by hydrogenation, using molecular H2, of a C5-C20 substrate containing one or two aldehydes functional groups into the corresponding alcohols or diol, characterized in that sai...
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JP2018153806A |
To provide a device with catalyst activity used in selective catalytic hydrogenation of organic starting material comprising a carbon-carbon triple bond, especially of alkynol compounds.The present invention relates to a device for treat...
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JP6395812B2 |
The present invention discloses a process for depolymerization of lignin to yield substituted phenolic monomers using Brönsted ionic liquid as catalyst under mild reaction conditions to obtain an overall yield of monomers up to 97%.
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JP6391251B2 |
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JP6388803B2 |
To provide a ruthenium complex which can be useful as a reduction catalyst applicable to industrial production.Provided is a ruthenium complex represented by formula (I): Ru(L)(L)(Px)(Z) (I) [Land Lare each independently an anionic ligan...
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JP6386909B2 |
A copper-based catalyst precursor capable of achieving a high conversion ratio and high selectivity in the isomerization reaction of a ²,³-unsaturated alcohol portion and a method for producing the same and to provide a hydrogenation m...
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JP2018523649A |
A cyclopropanation method comprising the step of reacting an alkene compound having at least one carbon-carbon double bond with at least one dihaloalkane is disclosed. The reaction is carried out in the presence of (i) granular metal Zn;...
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JP2018131420A |
To provide a novel method for producing a triazole compound useful as a pharmaceutical intermediate.A production method includes reacting a lactic acid derivative with thionyl chloride, then reacting it with 1,3-difluoro benzene in the p...
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JP6379078B2 |
Provided are methods including a method for industrially producing (2S,12Z)-2-acetoxy-12-heptadecene, which is, for example, a sex pheromone of pistachio twig borer. The methods can include a production method comprising a step of reacti...
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JP6361657B2 |
A composition for film formation includes a compound represented by formula (1) and a solvent. In the formula (1), R1, R2 and R3 each independently represent a group represented by the formula (a). In the formula (a), RA represents a hyd...
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JP6360037B2 |
The present invention relates to a device for treatment of material transported through the device comprising at least one porous element consisting of specific solid metallic structure which allows cross-flow of the material through the...
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JP2018517706A |
The present invention provides substituted tridentate benzo [h] quinoline ligands and complexes thereof. The present invention also provides methods for preparing said ligands and their respective complexes, as well as methods for using ...
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JP2018516257A |
The present invention relates to novel compounds of the general formulas (Ia), (Ib) and (Ic) and their stereoisomers. The compound has a sandalwood-like aroma and is therefore useful as a fragrance or flavor. The present invention presen...
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JP6345189B2 |
The present invention concerns a process for the preparation with high selectivity of a compound of formula (I) by isomerization at room temperature of compound of formula (II) in the presence of a complex of formula [Ru(dienyl)2H]X.
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JP6325580B2 |
Methods for the efficient synthesis of fatty acid derivatives and their intermediates are provided.
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JP6322142B2 |
Compounds and compositions are disclosed that are useful for treating ophthalmic conditions caused by or related to production of toxic visual cycle products that accumulate in the eye, such as dry adult macular degeneration, as well as ...
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JP6312609B2 |
The present invention is related to a new metal powder catalytic system (catalyst) comprising a Fe-alloy as a carrier, its production and its use in hydrogenation processes.
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JP6310341B2 |
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JP6306017B2 |
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JP6304043B2 |
Provided are a selective hydrogenation catalyst exhibiting a superior reactivity and selectivity against an oxygen-containing polar functional group(s) in a compound having a hydrogenation reaction site(s) such as a carbon-carbon double ...
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JP6306720B2 |
The present specification relates to an organic electronic device including a fullerene derivative.
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JP2018048135A |
To provide: a process for catalytically hydrogenating a carbonyl or iminyl compound using an η6 arene ruthenium monosulfonated diamine complex; and a process for preparing the complex and intermediates thereof.The present invention rela...
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JP6291179B2 |
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JP6284933B2 |
Subject of the invention is a process for the production of methylbutynol, wherein the process comprises at least one pervaporation step. In a preferred embodiment, the process comprises the steps of (a) providing a feed composition comp...
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JP6282290B2 |
Embodiments of norbornenylhydrocarbylene dihydrocarbylboranes represented by the Formula (I), and methods of forming such norbornenylhydrocarbylene dihydrocarbylboranes are provided, where m is 0, 1 or 2, A is a C2 to C12 hydrocarbylene ...
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JP6279552B2 |
The chemoselective reduction of a carboxylic ester (I) to an alcohol by catalytic hydrogenation, in particular in the presence of a transition metal complex, more particularly in the presence of a ruthenium (II) complex is described.
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JP6280119B2 |
The invention relates to a new enantioselective process for producing useful intermediates for the manufacture of NEP inhibitors or prodrugs thereof, in particular NEP inhibitors comprising a γ-amino-δ-biphenyl-α-methylalkanoic acid, ...
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JP6278846B2 |
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JP2018021040A |
To provide: a new method for synthesizing N-(4-cyclohexyl-3-trifluoromethyl-benzyloxy)-acetimidic acid ethyl ester; and an intermediate used in such a method.There are provided: N-(4-cyclohexyl-3-trifluoromethyl-benzyloxy)-acetimidic aci...
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JP2018020977A |
To provide a manufacturing method of a hydroxyl group-containing compound.A manufacturing method of a hydroxyl group-containing compound includes a step of mixing a component (a), a component (b) and a component (d) below, or a step of m...
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JP6268551B2 |
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JP6268152B2 |
To provide a method for producing radicals that can generate (produce) radicals under a mild condition, and a method for producing oxidation reaction products using the method for producing radicals.A method for producing radicals includ...
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JP6266711B2 |
A method of preparing a difluorinated alcohol compound is provided. The difluorinated alcohol compound can be easily synthesized when an aldehyde and N-fluorobenzenesulfonimide are reacted in the presence of L-proline, and thus the metho...
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JP2017222632A |
To provide a method for preparing a polyalkynyl-substituted arene compound.The method for preparing a polyalkynyl-substituted arene compound comprises: (a) reacting a polyhydroxy-substituted aromatic compound with a fluorosulfonating age...
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JP6246202B2 |
The use of a metal complex containing a ruthenium ion or an osmium ion, and a tridentate aminodicarbene ligand, the tridentate aminodicarbene ligand having one secondary amino group and two specific heterocyclic carbene groups sandwichin...
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JP2017214422A |
To provide novel compounds useful for manufacturing salacinol, a method for manufacturing the compounds, a method for manufacturing salacinol, methods for protecting and deprotecting a diol group, and a protective agent for a diol group....
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JP6241966B2 |
A neutral or cationic mononuclear ruthenium divalent complex represented by formula (1) can actualize exceptional catalytic activity in at least one reaction among a hydrosilylation reaction, hydrogenation reaction, and carbonyl compound...
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JP6239221B2 |
E and Z isomers of alkene alcohols and/or alkene alcohol derivatives are separated by substantially continuously contacting an ion exchange medium which is ion exchanged with silver and/or copper ions with the feed stream comprising the ...
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JP6238211B2 |
The present invention relates to a device for treatment of material transported through the device comprising at least one porous element consisting of specific solid metallic structure which allows cross-flow of the material through the...
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