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Matches 501 - 550 out of 2,211

Document Document Title
JP3331616B2  
JP2002284731A
To provide a method for reasonably purifying in high yield a p-quinone useful as an intermediate for pharmaceutical preparations.This method comprises the steps of extracting a p-quinone of the general formula (I) from a mixture of the p...  
JP2002275119A
To provide a rational method for producing a p-quinone useful as a medicinal intermediate in high yield.This method for producing a p-quinone is to oxidize a phenol expressed by general formula (I) (R1 to R4 are the same or different and...  
JP3348456B2
PURPOSE: To industrially easily obtain the subject compound in good yield by reacting a t-butyldioxy-cyclohexadiene-one compound having a specific structure with a titanium halide compound. CONSTITUTION: A 4-t-butyldioxy-2,5-cyclohexadie...  
JP2002255888A
To provide a method for efficiently producing 4-demethoxydaunomycin from 4-demethyldaunomycin.This method for 4-demethoxydaunomycin production comprises introducing a trialkylsilyl group to a hydroxy group at the 7-position of 4- demethy...  
JP2002249458A
To produce vitamins Ks efficiently and industrially advantageously in a short process.A mixture of an allyl alcohol compound shown by general formula (I) (wherein, n is an integer of 0-12; a double line made of a dotted line and a solid ...  
JP3343692B2
PURPOSE: To provideamethod for selectively producing a 2-alkoxy-5-alkyl-1,4- benzoquinone in high yield from an inexpensive raw material. CONSTITUTION: 4-alkylcatechol such as 4-methylcatechol is oxidized with oxygen in the presence of a...  
JP2002527347A  
JP3307650B2  
JP2002193869A
To extract a compound having anticancer action from physiologically active substances in the bark of Japan ceder (Cryptomeria japonica).The objective compound is an abietane-type diterpene quinone compound that has anticancer action and ...  
JP2002520260A  
JP3299293B2  
JP2002516304A  
JP3312639B2
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...  
JP3310687B2
PURPOSE: To obtain a new quinone derivative useful for preventing and treating asthma and hepatic diseases, having two pharmaceutically inhibitory actions on leucotriene production and thromboxane synthesis. CONSTITUTION: A compound of f...  
JP2002138063A
To provide a method for producing a mixture of vitamin K3 with vitamin K4, or vitamin K3 or vitamin K4 by a single-stage reaction from 1, 4-naphtoquinone or 1,4-dihydroxynaphthalenene without using a strong toxic substance or a strong co...  
JP2002514243A  
JP2002121167A
To provide a naphthoquinone derivative having high electron acceptability, good compatibility with binder resin and excellent matching tendency with electric charge generator.This naphthoquinone derivative is shown by the general formula...  
JP2002511377A  
JP2002080419A
To provide a new active substance resistant to vancomycin-resistant enterococcus(VRE) and methicillin-resistant Staphylococcus aureus(MRSA).At least one antibacterial compound selected from the group consisting of compounds of formulas (...  
JP2002053517A
To provide a method for producing 2-(4-methyl-3-pentenyl)- anthraquinone (IHEAQ) having improved purity in improved space-time yield while preventing the problems of prior arts by the Diels-Alder addition comprising the reaction of napht...  
JP3276246B2
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...  
JP2002030026A
To obtain a phenol dimer condensate containing a ≥4C straight-chain alkyl group or a halogen-substituted alkyl group, having a low crystal melting point, excellent solubility.This phenol dimer condensate is obtained by subjecting a phe...  
JP2002030014A
To provide a 4,4'-diphenol compound and a 4,4'-diphenoquinone compound, having a low melting point of the crystal, excellent in solubility, and having a ≥6C branched alkyl group or substituted alkyl group.(1) This diphenol compound is ...  
JP2001352975A
To effect inexpensive mass production or utilization of Natto kinase and manaquinone-7, each Bacillus natto-derived physiologically active substance, using vinasse produced in Sho-chu production or the like.This mass production comprises...  
JP3260728B2
To provide an electron transferring agent having good compatibility with a bonding resin and excellent also in matching with an electric charge generating agent by using a specified naphthoquinone derivative. A naphthoquinone derivative ...  
JP3220758B2  
JP2001278835A
To enable the oxidation of trimethylphenol into trimethyl-p- benzoquinone in a good yield while surely excluding the danger of explosion of a reactional mixture and also to avoid the defects of existing methods which are enumerated in th...  
JP3238265B2
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...  
JP2001163608A
To provide an improved manufacturing method of hydrogen peroxide by the anthraquinone process.In the manufacturing method of hydrogen peroxide by the anthraquinone process, which includes the alternate hydrogenation and oxidation process...  
JP2001151721A
To provide a new method for producing 2,3,5-trimethyl-p-benzoquinone capable of partially settling significant defects described in conventional technology level and relative to charged material cost, post-treatment cost and especially v...  
JP2001103990A
To obtain a substance having inhibitory activity against sphingomyelinase, useful for preventing and treating diseases such as arteriosclerosis, inflammation, diabetes, etc., and immunological function-related diseases. This substance is...  
JP3171470B2
PURPOSE: To provide the subject new compound exhibiting excellent characteristics as a pigment component for fluoro coatings, etc., or as a functional pigment such as a dichroismic pigment for polarizing films and further useful as an in...  
JP2001046092A
To produce the subject new physiologically active substance capable of exhibiting inhibiting actions on cell proliferation and useful as a chemotherapeutic agent, etc. for malignant tumors by culturing a microorganism belonging to the ge...  
JP2001019656A
To obtain the subject new compound useful as medicaments, especially as a medicinal agent against Helicobacter pylori of pathogenic bacterium reported to be a pathogenic background factor of digestive ulcer, inflammation, upper digestive...  
JP2001013701A
To provide an electron transferring agent having good compatibility with a bonding resin and excellent also in matching with an electric charge generating agent by using a specified naphthoquinone derivative.A naphthoquinone derivative o...  
JP2000344708A
To obtain a new compound useful as a controlling and antimicrobial substance for plant pathogenic fungi such as Pyricularia oryzae of rice plants by carrying out extraction from a bark of a Japanese cedar and separating the resultant com...  
JP2000302721A
To provide a method for producing a 2-alkoxy-3,5,6-trihalobenzoquinone by which not only the formation of bisether derivatives as a by-product can be reduced but also a decrease in rate of reaction can be prevented. When a tetrahalobenzo...  
JP3095595B2  
JP3091913B2  
JP3091355B2  
JP3112342B2
PURPOSE: To provide a new fermentation product VCE6 having anthraquinone skeleton, giving antineoplastic activity, obtainable from a cultured product obtained by culture in a medium of microorganism VOE6 belonging to Actinomycetes separa...  
JP3112995B2
PURPOSE: To efficiently obtain the subject compound useful as an antioxidant, a deodorant, etc., in high yield by oxidizing a specific compound in the presence of a complex such as cobalt perchlorate. CONSTITUTION: A compound expressed b...  
JP3109915B2
PURPOSE: To provide a new unsymmetrical tetrasubstituted diphenoquinone having improved electrical characteristics of tetrasubstituted diphenoquinone, bettered solubility in an organic solvent and improved affinity for a binder resin. CO...  
JP2000239216A
To obtain a new anthraquinone derivative having an antibacterial activity to various bacteria and useful for medicine, especially, a researching nuclei of an antimicrobial agent and medicine. The compound is expressed by formula I (R is ...  
JP2000239161A
To obtain a therapeutic agent having excellent antiallergic action with slight side effects, and useful as e.g. a medicament for preventing or treating diseases caused by various kinds of allergy by including a specific naphthoquinone de...  
JP2000202297A
To produce p-benzoquinones in a good reaction yield by preparing an oxidation catalyst from the copper salt of a mixed acid consisting of an alkanesulfonic acid and an aliphatic carboxylic acid and amines or oximes. The oxidation catalys...  
JP2000508679A  
JP3058926B2  
JP3053417B2  

Matches 501 - 550 out of 2,211