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Matches 751 - 800 out of 2,229

Document Document Title
JPH07215908A
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...  
JPH07216356A
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...  
JPH07215849A
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...  
JPH07215906A
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...  
JPH07206755A
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. ...  
JPH0772155B2  
JPH07196574A
PURPOSE: To obtain benzoquinones of high purity in high yield by oxidizing a phenol with the use of a specific oxidizing agent such as oxygen in the presence of a specific oxygen-transferring catalyst. CONSTITUTION: In the presence of a ...  
JPH07179389A
PURPOSE: To obtain a novel compound useful as an intermediate for producing an anthracene compound for a therapeutic agent for bacterial injection diseases of warm blood animals. CONSTITUTION: 5,8-Dichloro-1,4,9,10-anthracenetetron is pr...  
JPH07165726A
PURPOSE: To obtain a new anthrapyrazole compound useful as an antitumor agent having excellent antitumor activity and low toxicity. CONSTITUTION: A compound of the formula [R1 and R2 are each H, OH, an alkyl, a hydroxyalkyl, an alkoxyalk...  
JPH07149631A
PURPOSE: To obtain an inhibitor of an aldose reductase, having high inhibiting activities against the aldose reductase and useful as a preventing and a therapeutic agents for diabetic complications having high safety without any toxicity...  
JPH0753684B2  
JPH07138212A
PURPOSE: To obtain a new aminoanthraquinone compound useful as an anti- tumor agent having reduced toxicity while retaining strong anti-tumor activity. CONSTITUTION: A compound of formula I [R1 is H, a lower alkyl or a lower alkoxy; R2 i...  
JPH07138302A
PURPOSE: To obtain an agent which can effectively prevent the deposition of a polymer not only at the liquid phase part in a polymerizer but also near the interface between the gas phase and the liquid phase therein when polymerizing a m...  
JPH0745428B2  
JPH07126208A
PURPOSE: To decompose chloranil under mild condition with easy operation. CONSTITUTION: Chloranil is decomposed by contacting with a surfactant such as sodium laurylsulfate or sodium myristylsulfate in the presence of water.  
JPH07504170A  
JPH0742244B2  
JPH07118194A
PURPOSE: To obtain a acylated aromatic compound in a high purity and in a high yield in a state little in side reactions by reacting an aromatic compound with an acylating agent in the presence of a Lewis acid catalyst in a nitrile solve...  
JPH07118196A
PURPOSE: To obtain chloranil reduced in the contents of chlorinated dibenzofuran compounds to ≤ a detection limit. CONSTITUTION: Chloranil is characterized in that the impurities of (a) 2,3,7,8- tetrachlorodibenzofuran, (b) 1,3,6,8-tet...  
JPH07118195A
PURPOSE: To provide 2-ethylanthraquinone little in affections against coexisting chemical agents or devices and materials used therefor and substantially not containing a chlorinated compound. CONSTITUTION: 2-Ethylanthraquinon having a c...  
JPH0735392B2  
JPH0733347B2  
JPH0729974B2  
JPH07502724A  
JPH0776547A
PURPOSE: To obtain antibacterial/antifungal active substance containing two kinds of new compounds by making peroxidase act on syringaaldehyde in the presence of hydrogen peroxide. CONSTITUTION: The antibacterial/antifungal active substa...  
JPH0769872A
PURPOSE: To obtain the subject atoxic, tasteless and odorless agent having antibacterial action on methicillin resistant staphylococcus auricularis(MRSA), comprising a specific anthraquinone derivative as an active ingredient. CONSTITUTI...  
JPH0769968A
PURPOSE: To produce quinones such as parabenzoquinone in one process from phenols. CONSTITUTION: Phenols such as phenol are subjected to oxidation reaction using an oxidizing agent such as oxygen in the presence of a heteropolyacid as a ...  
JPH0761923A
PURPOSE: To treat Alzheimer diseases with excellent effects by administering idebenone in a high dose. CONSTITUTION: This therapeutic agent for Alzheimer diseases is capable of treating the Alzheimer diseases by orally administering ideb...  
JPH0748309A
PURPOSE: To provide a method for producing 2-methylnaphthoquinone, capable of effectively reusing a waste liquid discharged after producing 2- methylnaphtoquinone. CONSTITUTION: In producing 2-methylnaphthoquinone by oxidation of 2- meth...  
JPH0741453A
PURPOSE: To obtain a quinone useful as an active oxygen remover, antiasthmatic agent, hepatic failure treating agent, etc., in a high purity and yield on an industrial scale by oxidizing a specific derivative of 4-alkoxyphenol having exc...  
JPH0710786B2  
JPH0732751A
PURPOSE: To obtain a dye having high solubility in an ecologically allowable solvent and a low melting point by using a dye expressed by a specified formula in a dye-donor for dye thermal sublimation transfer which comprises a support pr...  
JPH072719B2  
JPH0710804A
PURPOSE: To produce the subject compound in high hyield industrially by subjecting 2-methyl-1,4-naphthoquinone and 6-methyl-1,4-naphthoquinone and a conjugated diene to Diels-Alder reaction, acetylating the resulting substance under a re...  
JPH0710800A
PURPOSE: To obtain the subject compound useful as an intermediate for producing antiasthmatic agent, a therapeutic agent for liver diseases, etc., in high yield in excellent acquirement of raw materials, corrosion resistance and maintena...  
JPH07580B2  
JPH06343464A
PURPOSE: To obtain a new compound of a herbicidally active material. CONSTITUTION: This new compound is the one of formula I [R1 is H, a halogen or the like; R2 is H, a halogen or the like; R3 is H, a halogen or the like; Q is formula II...  
JPH06345641A
PURPOSE: To provide a medicine which consists of 5,6-dihydro-1,8-dihydroxy-3- methylbenz[a]anthracene-7,12-quinone, etc., as effective components, is free from side effects and is used for the treatment, etc., of the rejection reaction a...  
JPH0688927B2  
JPH06312950A
PURPOSE: To provide a new industrial production method for a quinone derivative such as a vitamin K derivative, coenzyme Q derivative, etc. CONSTITUTION: A 1,4,4a,8a-tetrahydro-4aα-alkenyl-1α,4α-methanonaphthalene -5,8- dione derivati...  
JPH06312951A
PURPOSE: To provide a new quinone compound stable against heat, not having sublimating property and an irritating smell, and useful as a functional chemical. CONSTITUTION: A quinone compound of formula I [A, B are hydrocarbon group, R1-C...  
JPH06305984A
PURPOSE: To obtain the derivative industrially and advantageously with a recoverable and reusable catalyst by using the catalyst comprising a salt of a rare earth element and a perfluoroalkanesulfonate, reacting a conjugated olefin with ...  
JPH0681739B2  
JPH0678266B2  
JPH0678267B2  
JPH0678300B2  
JPH0678268B2  
JPH06279207A
PURPOSE: To provide an anthraquinone compsn. which specifically affects sulfate- reducing bacteria and inhibits production of hydrogen sulfide, and to provide a method by using this compsn. CONSTITUTION: Production of hydrogen sulfide is...  
JPH06279694A
PURPOSE: To obtain a novel compound useful for a heat sensitive, subliming and transcribing coloring matter, being orange, red and blue, excellent in solubility and light resistance. CONSTITUTION: The subject compound is expressed by the...  
JPH06263688A
PURPOSE: To provide a new compound useful for treating and preventing chronic inflammatory diseases such as chronic articular rheumatism as an interleukin- inhibiting agent. CONSTITUTION: A compound of formula I (R1, R4 are lower alkyl; ...  

Matches 751 - 800 out of 2,229