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JP2012056907A |
To provide a carboxylic acid derivative of tetracene, which excels in solubility over a solvent.The tetracene compound is shown by formula (1). In the formula, R each independently denote hydrogen, an alkali metal, a 1-20C alkyl, and one...
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JP2012056946A |
To provide a metal complex having excellent gas adsorbing performance, gas storage performance and gas separation performance.The metal complex comprises a dicarboxylic acid compound (I) expressed by general formula (I) (in the formula, ...
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JP2012056851A |
To provide a method for producing an aromatic carboxylic acid compound for promoting an oxidation reaction in production of the aromatic carboxylic acid compound by oxidation of an aromatic compound having a methyl group, a methylene gro...
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JP2012051816A |
To provide a method for conveniently, rapidly, and with high sensitivity detecting a biogenic amine in a sample, and to provide a fluorescent compound necessary for the detection.The method for detecting a biogenic amine utilizes the fac...
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JP4893903B2 |
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JP4885468B2 |
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JP4884643B2 |
The invention relates to a process for separating close-boiling, homo- and heteroazeotropic mixtures by using ionic liquids. Due to the selectivity and unusual combination of properties of the ionic liquids the process is superior to con...
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JP4880918B2 |
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JP2012031161A |
To provide a metal complex having excellent gas occlusion capability and gas separating capability.The metal complex is constituted of isophthalic acid and the derivative of the same, metal ions such as magnesium ions, a calcium ions, zi...
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JP2012031157A |
To provide a metal complex exhibiting excellent gas-adsorbing performance, gas-storing performance and gas-separating performance.The metal complex comprises a dicarboxylic acid compound (I) represented by general formula (I), at least o...
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JP2012025700A |
To provide a method for forming a thin film of a polyacene derivative by a simple method even on an organic thin film such as an organic thin film solar cell and a flexible board; and to provide a novel polyacene derivative used for the ...
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JP4873400B2 |
To provide a method for oxidizing a new olefin by using a supercritical carbon dioxide and an ionic liquid as a reaction site. The method for oxidizing an olefinic hydrocarbon comprises synthesizing a carbonyl compound, an epoxide compou...
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JP4869758B2 |
The invention provides a method of preparing high-purity terephthalic acid, comprising: (I)the process of mixing raw terephthalic acid getting by liquid-phase oxidating paraxylene with water, formingraw terephthalic acid slurry; (II)the ...
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JP4866527B2 |
This invention relates to a method for sublimation refining which gives a high-purity product in high yield while preventing corrosion of the apparatus, contamination of the product and change in quality of the product and to an apparatu...
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JP4864446B2 |
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JP4861190B2 |
The present invention relates to the liquid phase oxidation of aromatic hydrocarbons in the presence of at least one heavy metal oxidation catalyst and bromine, which is activated by at least one of anthracene or another polycyclic aroma...
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JP4859291B2 |
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JP4861334B2 |
The present invention relates to a process for preparing purified terephthalic acid (PTA), comprising the steps: i) dissolving crude terephthalic acid (CTA) in an aqueous medium in a reactor; ii) hydrogenating CTA at a temperature of abo...
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JP4849732B2 |
To obtain a polymerizable optically active compound having low viscosity and high spiral induction power, a liquid crystal composition using the optically active compound, a polymeric substance and a liquid crystal element. This opticall...
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JP4850904B2 |
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JP4853752B2 |
The present invention provides a process for producing 2-halobenzoic acids of the general formula (I), characterized by reacting a benzoic acid of formula (II) with a halogenating agent in the presence of Pd catalyst: (wherein A is -OH, ...
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JP4846238B2 |
One aspect of the present invention relates to a method of purifying radiolabelled compounds comprising a) loading onto a fluorous polymer a radiolabelled compound precursor comprising a fluoroalkyl tin moiety; b) reacting the radiolabel...
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JP4839501B2 |
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JP4839839B2 |
The subject of the present invention is to provide a method for deuteration, which can obtain a compound having an aromatic ring and/ or a heterocyclic ring at an improved deuteration ratio. The present invention relates to a method for ...
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JP4837232B2 |
The present invention proposes a crystallization process comprising the steps of feeding a slurry solution in which a terephthalic acid solution or a part of the terephthalic acid is precipitated to a crystallization vessel, precipitatin...
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JP4821220B2 |
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JPWO2009151082A1 |
Provided is a method capable of reducing the residual amount of an intermediate product and producing an aromatic polycarboxylic acid in which all alkyl groups are converted into carboxyl groups in a high yield. Multiple alkyls in the pr...
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JP2011528276A |
The invention relates to a method and apparatus for recovering power from the gaseous stream produced by an oxidation reaction. Specifically, the invention is based on heating the gaseous stream from the oxidation reaction to a temperatu...
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JP4817496B2 |
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JP4809299B2 |
The present invention relates to a process of hydrogenation reaction of 2,6-naphthalenedicarboxylic acid comprising the steps of calculating an amount of hydrogen to remove impurities such as formylnaphthoicacid, naphthalenecarboxylate b...
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JP4809534B2 |
There is disclosed a process for continuously producing an aromatic carboxylic acid comprising the steps of (A) subjecting a poly-alkyl aromatic hydrocarbon to a liquid-phase oxidation by continuously supplying an oxidation reactor with ...
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JP4804776B2 |
To provide a method for recovering crystals from a slurry continuously for a long period without causing the clogging of a filter material. Crystals in a slurry are continuously recovered by supplying the slurry to a filter having a rota...
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JP4793357B2 |
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JP4794081B2 |
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JP4791666B2 |
On-spec phthalic anhydride is prepared by distillative purification of crude phthalic anhydride by a process in which crude phthalic anhydride is fed to a distillation column which is operated at reduced pressure, the low boilers are rem...
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JP2011195575A |
To provide a metal complex which has outstanding gas occlusion performance and outstanding gas separation performance.The metal complex includes: an aromatic dicarboxylic acid compound (I) in which carboxyl groups are in mutual most dist...
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JP4788023B2 |
A process for recovering components of a catalyst from a mother liquor of liquid phase oxidation in production of aromatic carboxylic acids by liquid phase oxidation of aromatic hydrocarbons having substituents with a gas containing oxyg...
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JP4788022B2 |
A process for producing a polycarboxylic acid which comprises performing liquid phase oxidation of polyalkyl-substituted aromatic aldehyde and/or oxide derivative of polyalkyl-substituted aromatic aldehyde as raw material for oxidation w...
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JP4780566B2 |
A method and apparatus for the conversion of aromatic alkyls to aromatic carboxylic acids in a reactor are provided, wherein the location of the feeding of the reaction mixture into the reactor significantly increases the conversion effi...
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JP4780263B2 |
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JP2011178684A |
To provide a method for producing terephthalic acid in high production efficiency, which inhibits foaming of a reaction liquid containing DMT, MMT and terephthalic acid and sublimation of DMT in a hydrolysis reaction tank, prevents clogg...
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JP4774869B2 |
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JP4767177B2 |
[PROBLEMS] To impart an antiglare effect to a laminated glass making use of a polyvinyl butyral resin as an intermediate film without coloring the same. [MEANS FOR SOLVING PROBLEMS] There is provided an intermediate film of laminated gla...
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JP2011168502A |
To provide an aromatic carboxylic acid compound that is derived from biomass, can reduce the consumption of fossil resources, and can contribute to a low-carbon society.The aromatic carboxylic acid compound is characterized by having a 1...
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JP4756807B2 |
A process for purifying a naphthalenic carboxylic acid comprising contacting at a temperature below about 575° F. a mixture comprising an impure naphthalenic carboxylic acid and a solvent in the presence of hydrogen gas with a noble met...
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JP4756719B2 |
A substrate (e.g., a cycloalkane, a polycyclic hydrocarbon, an aromatic compound having a methyl group) is oxidized with oxygen in the presence of an oxidation catalytic system comprising an imide compound of the following formula (1) (e...
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JP2011156477A |
To provide a dissimilar metal tetranuclear complex useful as an oxidation catalyst, and a method of manufacturing an oxide by an oxidation reaction using the same.The dissimilar metal tetranuclear complex is represented by formula (1), w...
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JP4747544B2 |
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JP2011153077A |
To provide a new method for oxidizing an alcohol compound.The method for oxidizing the alcohol is characterized by oxidizing with oxygen as an oxidizing agent in the presence of oxoammonium nitrate represented by formula (1), wherein R1,...
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JP4742210B2 |
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