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Matches 401 - 450 out of 1,087

Document Document Title
JP09176082A
To obtain the above compound important as an intermediate for producing chemicals in a high yield without producing by products by oxidizing specific phenols with an oxidizing agent in the presence of specific phenols. (A) Phenols of for...  
JP09176084A
To inexpensively and readily obtain the above compound useful as a synthetic intermediate for dyes and medicines in large amounts by preparing disiloxypyrol from succinimide having a specific group on nitrogen and reacting the resultant ...  
JP09151157A
To obtain a new compound, suitable as an electron transport agent and useful as an electrophotographic photoreceptor used in an apparatus for forming an image such as an electrostatic copier, a laser printer or a plain paper facsimile ap...  
JP09143822A
To provide a treating method for making a pitch fiber infusible, capable of markedly reducing a time required for the treatment under an oxidizing atmosphere by adding quinones to a carbonaceous pitch and melt spinning. This treating met...  
JP2638491B
PURPOSE: To provide an organic memory molecule capable of being utilized for a high-density recording device based on the principle of scanning tunnel microscope. CONSTITUTION: An organic memory molecule of formulae I to III (R1 is a 1 t...  
JP2637705B
PURPOSE: To efficiently obtain a compound with a reagent without causing problems in environmental sanitation by reacting benzoquinones with an aliphatic carboxylic acid in the form of a silver salt. CONSTITUTION: Benzoquinones of formul...  
JP09071887A
To develop a production method of vitamin K3 (menadione) by electrolytic oxidation in high yield without requiring a complicated process. 1-methoxy-2-methylnaphthalene is electrolyzed in a methylalcohol solvent by using an alkali metal h...  
JP09052899A
PURPOSE: To obtain the subject antagonist useful for the therapy, prophylaxis, etc., of allergosis, inflammatory affection, cardiovascular diseases, etc., by compounding a terpene derivative including new compounds isolated from an extra...  
JP2606997B
PURPOSE: To produce chloranil having low residual chlorine ion content under mild condition with simple operation. CONSTITUTION: Hydroquinone is made to react with chlorine in a mixed solvent consisting of water or hydrochloric acid and ...  
JP08333297A
PURPOSE: To obtain a new anthraquinone derivative which is useful as an antimicrobial, herbicide or plant growth regulator, produced by a specific microorganism in Nigrospora and safely metabolizable and degradable in the natural environ...  
JP2588695B
PURPOSE: To easily obtain the subject compound in high reaction rate and high selectivity without forming any byproduct by oxidizing an (alkyl)aromatic compound with a new solid cerium (IV) compound as oxidant. CONSTITUTION: This compoun...  
JP08301810A
PURPOSE: To obtain a new 1,4-benzoquinone derivative which is represented by a specific formula, shows strong cytotoxicity and is useful as an antitumor agent. CONSTITUTION: The objective compound is represented by formula I (R1 and R2 a...  
JP08291102A
PURPOSE: To obtain a new anthraquinone compound showing a transparent beautiful yellow, excellent in solubility, heat resistance, light resistance, etc., useful as a coloring matter for sublimation transfer, color toner, optical color fi...  
JP08277231A
To provide a process for the selective oxidation of an oxidizable compound by using ferromagnetic chromium dioxide as an oxidizing agent, capable of selectively oxidizing the compound, especially an organic compound, under a mild conditi...  
JP08253415A
PURPOSE: To produce an antiarteriosclerotic agent which comprises a menatetrenone derivative typified by vitamin K2 and is efficacious for arteriosclerosis and has the hypocholesteremic action in serum with high safety. CONSTITUTION: Thi...  
JP08239340A
PURPOSE: To efficiently obtain a compound with a reagent without causing problems in environmental sanitation by reacting benzoquinones with an aliphatic carboxylic acid in the form of a silver salt. CONSTITUTION: Benzoquinones of formul...  
JP08231389A
PURPOSE: To obtain an anti-dermatitic agent containing a quinone derivative (hydroquinone compound, salt) having a thromboxane A2 receptor-antagonistic action and an oxidation-resistant action and especially effective for atopic dermatit...  
JP08208461A
PURPOSE: To obtain the subject agent having anti-Helicobacter pyrori action and useful as an agent for the treatment and the relapse prevention of digestive ulcer, gastritis and hepatitis. CONSTITUTION: This anti-Helicobacter pyrori agen...  
JP08193026A
PURPOSE: To obtain an amyloid β-protein coagulation and/or deposition inhibitor useful for preventing and treating Alzheimer's disease, containing, as active ingredient, a hydroquinone or quinone compound. CONSTITUTION: This inhibitor c...  
JP08176060A
PURPOSE: To provide a new anthraquinone derivative exhibiting excellent electron transfer property and useful as an electron transfer material for producing a laminated photosensitive material acting by positive charge and usable in elec...  
JP08176059A
PURPOSE: To produce a quinone compound useful as a polymerization inhibitor, an unsaturated polyester stabilizer, intermediate for pharmaceuticals and agrochemicals, etc., in an easily separable state without causing a side reaction by o...  
JP08134010A
PURPOSE: To obtain a new anthraquinone compound having a high melting point and capable of forming an inclusion compound of a wide range of guest compounds. CONSTITUTION: This compound is an anthraquinone compound having a propargyl alco...  
JP08134002A
PURPOSE: To obtain a new quinone compound having inhibiting activity against sphingomyelinase and useful for various kinds of pharmaceuticals such as an anti-HIV agent, an antidiabetic agent and an anti-arteriosclerosis agent. CONSTITUTI...  
JP08119898A
PURPOSE: To easily produce a bromoazulenequinone compound useful for pharmaceuticals such as anti-inflammatory agent and antitumor agent, electrophotographic receptors, liquid crystal elements, etc., in high purity at a low cost by react...  
JP08113779A
PURPOSE: To obtain a mixture, comprising compounds, having a specific structure and substituted with deuterium, excellent in compatibility with other liquid crystal compounds without depositing crystals even in a low-temperature region a...  
JP08092152A
PURPOSE: To obtain the compound, having hemostatic actions in bleeding animal bodies and useful as medicines, etc., for human bodies by oxidizing a specific methylnaphthalene with an oxidizing agent such as hydrogen peroxide. CONSTITUTIO...  
JP08092151A
PURPOSE: To regioselectively and efficiently obtain the compound, concerned in electron transport, etc., in living bodies, having diverse physiological activities and useful as medicines, etc., without requiring the protection of carbony...  
JP08073405A
PURPOSE: To exhibit sufficient polymerization inhibiting effect in a small amount even in steps in which a (meth)acrylic acid ester is readily polymerizable by combinedly using a p-phenylene-diamine compound, a phenol compound and phenot...  
JP08073396A
PURPOSE: To obtain the subject lipid having high safety as an (auxiliary)food, being colorless and odorless, free from problem on taste and useful for preventing and treating hemorrhage and osteoporosis by taking out from a food raw mate...  
JP08059600A
PURPOSE: To obtain sodium or ammonium salt of 1,4-naphthoquinone- or 1,4- naphthohydroquinone-2-sulfonic acid in the form convenient for storage or transport. CONSTITUTION: This compound is crystallized 1,4-naphthoquinone- or 1,4- naphth...  
JP08059540A
PURPOSE: To obtain a fine particulate anthraquinone having ≤2.5μm particle diameter suitable for a suppressant for production of sulides in an aqueous system containing sulfate reducing bacteria present therein from an aqueous solutio...  
JP08053387A
PURPOSE: To obtain a new compound having inhibiting activity against sphingomyelinase, useful as anti-HIV agent, antidiabetic drug, anti- arteriosclerotic agent, antithrombotic agent, etc., and further useful as an agent for prophylaxis ...  
JP08041014A
PURPOSE: To provide an organic memory molecule capable of being utilized for a high-density recording device based on the principle of scanning tunnel microscope. CONSTITUTION: An organic memory molecule of formulae I to III (R1 is a 1 t...  
JP08000997A
PURPOSE: To obtain an easily available low-cost catalyst system easy to handle, capable of attaining the a desired selectivity in the oxidation of an aromatic compound, capable of storage and having high activity by using a compound havi...  
JP07324053A
PURPOSE: To readily obtain the subject compound with high purity in high yield in high bulk density and high in yield when the introduction of gaseous chlorine has ended by the action of chlorine gas and concentrated hydrochloric acid on...  
JP07324052A
PURPOSE: To easily obtain the subject compound in high reaction rate and high selectivity without forming any byproduct by oxidizing an (alkyl)aromatic compound with a new solid cerium (IV) compound as oxidant. CONSTITUTION: This compoun...  
JP07316091A
PURPOSE: To obtain the subject compound useful as an antitumor agent, having inhibitory activity against topoisomerase I, showing strongly inhibitory action on proliferation of various cancerous cells, by culturing a specific bacterium b...  
JP07300470A
PURPOSE: To easily obtain a dl-tocopherol compound in a good yield in a short process from an inexpensively available raw material by subjecting the specific compound to a reducing reaction. CONSTITUTION: A compound of formula I [one of ...  
JP07285909A
PURPOSE: To provide a new phenanthrene derivative having IL-1 inhibiting activity and useful for the treatment of chronic inflammatory diseases. CONSTITUTION: This phenanthrene derivative is a compound selected from the compounds of form...  
JP07258146A
PURPOSE: To obtain quinones in a high yield under mild reaction conditions using molecular oxygen as an easy-to-handle and safe oxidizing agent by carrying out the reaction between a naphthalene derivative and oxygen molecules in the pre...  
JP07251078A
PURPOSE: To produce an effective catalyst for oxidation of aromatic compds., which attains the objective selectivity, is easily available, simply handled and can be stored. CONSTITUTION: The compds. of formula I: R1aRebOc (I) [where (a) ...  
JP07228547A
PURPOSE: To inexpensively obtain the subject compound useful as an intermediate, etc., for medicines, agrochemicals and optical materials, etc., while repeatedly using a fuming sulfuric acid solvent in high purity and yield by reacting a...  
JP07223992A
PURPOSE: To obtain in high yield a compound, which is useful as a synthetic intermediate of a therapeutic agent for infantile prothrombinemia and hemostatic vitamin by oxidizing a specific naphthoquinone with a specific compound without ...  
JP07223993A
PURPOSE: To obtain a derivative which is important as a hematostasis-activating vitamin without formation of its geometric isomer, in high yield and in an industrial scale by the reverse Diels-Alder reaction of a specific anthraquinone d...  
JP07215907A
PURPOSE: To provide a method for producing 2,3-dimethoxy-6-chloronaphthazarin which is an active ingredient for antitumor agent. CONSTITUTION: 2,3,6-Trichloronaphthazarin and sodium methylate are heated under reflux in the presence of me...  
JP07215908A
PURPOSE: To provide a method for producing 2,3,6-trimethoxynaphthazarin which is an active ingredient for antitumor agents. CONSTITUTION: 2,3,6-Trichloronaphthazarin and sodium methylate are heated under reflux in the presence of methano...  
JP07216356A
PURPOSE: To obtain a liquid crystal mixture which is excellent in electro-optic properties and difficultly crystallizable even at low temperatures and can be easily and industrially produced by deriving from at least two deuterium- conta...  
JP07215849A
PURPOSE: To obtain an anti-osteoporosis agent having a suppressive function against osteoclast formation and excellent in activity and safety by compounding a polyisoprenoide derivative as an effective component. CONSTITUTION: This agent...  
JP07215906A
PURPOSE: To provide a method for producing 2,3,6-trichloronaphthazarin which is an active ingredient for antitumor agents. CONSTITUTION: 2,3-Dichloromaleic anhydride is condensed with 2-chloro-1-4- hydroquinone under heating in the prese...  
JP07206755A
PURPOSE: To produce tetrachloro-1,4-benzoquinone of high purity by allowing chlorine and conc. hydrochloric acid to act on hydroquinone. CONSTITUTION: A part of hydroquinone to be used is introduced into preliminarily charged 20-37% aq. ...  

Matches 401 - 450 out of 1,087