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Patent Searching and Data


Matches 501 - 550 out of 2,243

Document Document Title
JP2004513883A  
JP2004137187A
To provide a method for more profitably producing vitamin K3 (2-methyl-1,4-naphthoquinone), comprising reacting 2-methylnaphthalene with hydrogen peroxide.This method for producing vitamin K3 is characterized by reacting 2-naphthalene wi...  
JP2004130201A
To obtain spherical organic granules simply without the necessity of considering the installation of an auxiliary apparatus and the dispersed state of a liquid crosslinking agent incompatible with a solvent.In a method for granulating th...  
JP2004511453A  
JP3529814B2
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...  
JP3527829B2
To obtain a new naphthoquinone derivative useful for electrophotographic photoreceptor, useful for an image-forming apparatus such as electrostatic type copying machine, facsimile, laser beam printer, etc. This naphthoquinone derivative ...  
JP2004505938A  
JP2004504861A  
JP2004504313A  
JP2004500418A  
JP2003531813A  
JP3461353B2  
JP2003292466A
To provide a method for simply producing an alkoxyquinone compound.This method for producing the alkoxyquinone compound comprises using a compound of general formula (1) (R2, R33 and R4 are each H, an alkyl which may be substituted, an a...  
JP2003530366A  
JP2003529333A  
JP2003267909A
To provide a method for producing a diquinone derivative in high yield from a phenol derivative.In the method for obtaining the diquinone derivative by oxidizing the phenol derivative in the presence of a catalyst, a catalyst obtained by...  
JP3471163B2
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...  
JP3449800B2
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...  
JP2003192625A
To carry out an organic reaction in an aqueous medium using a unimolecular micelle (a star polymer) having little dependences on surfactant concentration or temperature or pH, and an excellent molecule uptake ability.This aqueous reactio...  
JP2003520827A  
JP2003518040A  
JP2003518085A  
JP2003517268A  
JP2003104930A
To provide an industrial and advantageous method for producing an anthraquinonyl ether by which the anthraquinonyl ether can be produced in high yield.A halogenated anthraquinone is reacted with a hydroxy compound in the presence of a qu...  
JP3382810B2  
JP2003055293A
To provide a method for oxidizing trimethylphenol(TMP) into trimethylibenzoquinone(TMBQ) in the presence of any, of various molecular sieves containing various transition metals, respectively. This method for oxidizing the trimethylpheno...  
JP2003055271A
To develop use of a technology for an isolated three-dimensional space which is formed in a self-organizing way. This method of preparation for cyclobutane derivatives includes same (homo) compounds or different (hetero) compounds which ...  
JP2003026625A
To provide a solution of a reduced coenzyme Q which is not used because of being easily oxidized and having hydrophobicity, capable of being put to a practical use because the solution is kept stable to the oxidation, and further to prov...  
JP2002543171A  
JP2002331244A
To provide a photocatalyst useful for efficiently oxidizing an aromatic compound.The supported type titanium dioxide catalyst is obtained by supporting titanium dioxide fine particles on the surfaces of rutile type titanium dioxide parti...  
JP2002539286A  
JP3345067B2  
JP2002533426A  
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  

Matches 501 - 550 out of 2,243