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Patent Searching and Data


Matches 951 - 1,000 out of 1,087

Document Document Title
JP56142233A
PURPOSE: The use of a catalyst of crystalline aluminosilicate in which all or a part of cations are metals of group II and III lanthanide and actinide enables one-step production of the titled compound from phthalic anhydride and benzene...  
JP56140943A
NEW MATERIAL:A compound expressed by formulas IWIII (n is an integer 2W22; R1 is lower alkyl; R2WR4 are H, lower alkyl or acyl; X is H or OH or NH2 which may have a protecting group; m is an integer 11W22). EXAMPLE: 6-(13-Hydroxytridecyl...  
JP56140947A
PURPOSE: An aqueous suspension of an organism containing coenzyme Q is treated with an acid at a specific pH, extracted with a lower alcohol, the filtration residue is heat treated and extracted with a lower alcohol again, and the combin...  
JP56131395A
PURPOSE: To obtain a high-purity coenzyme Q in high yield industrially advantageously, by purifying crude coenzyme Q by silica gel chromatography using a developing agent consisting of a mixture of an aliphatic ketone and a nonpolar solv...  
JP56125335A
NEW MATERIAL:A 1,4-naphthoquinone derivative of formula I [R1 is H, OH, lower alkoxy, or arylthio; R2 is carboxy, esterified carboxy, or amidated carboxy; or R1 and R2 together form -O-C(=O)-; R3 is H or lower alkyl; R4 is lower alkyl; R...  
JP56124389A
PURPOSE: Crude coenzyme Q is purified with silica gel chromatography using a specific developer, whereby high-purity coenzyme Q is obtained in high yield. CONSTITUTION: Crude coenzyme Q is collected from cell bodies of microorganisms, in...  
JP56123927A
PURPOSE: To prepare the titled compound useful as coenzyme Q, etc., by reacting a novel compound such as 2,3-dimethoxy-4-decaprenoxy-6-methylphenol, with a Lewis acid, and if necessary, hydrolyzing and/or oxidizing the product. CONSTITUT...  
JP56121490A
PURPOSE: To purify a coenzyme Q, by treating an extract of the coenzyme Q with a lower alcohol or a hydrous lower alcohol with a porous adsorbent consisting of a copolymer made from styrene and divinylbenzene essentially, and having a ne...  
JP56113731A
NEW MATERIAL:A quinone compound of formula I (n is an integer of 1W10; R1 is methyl, methoxy, or two R1 together form -CH=CH-CH=CH-; R2 is lower alkyl), or its hydroquinone. USE: Hypotensor, analgesic antiulcer agent, antiphlogistic agen...  
JP56108733A
PURPOSE: To obtain the corresponding benzoquinone derivative in high yield, safety and short time, by the oxidation of a p- and o-hydroquinone derivative with an aqueous hypohalite adjusted to a specific pH, in the presence of a quaterna...  
JP56097223A
PURPOSE: A tissue metabolism activator that contains a specific quinone derivative, thus being effective on the treatment for cerebral circulation diseases and heart failure without side effects. CONSTITUTION: The activator contains a qu...  
JP56095145A
PURPOSE: To prepare the titled compound useful as an intermediate of vitamin E, in one stel and high yield, by oxidizing trimethylphenol with a mixture of nitric acid and hydrochloric acid. CONSTITUTION: 2,3,5- Or 2,3,6-trimethylphenol i...  
JP56095124A
PURPOSE: To separate and purify the titled compound, by adsorbing a compound having a chain isoprene skeleton containing at least three or more isoprene units on a nonpolar porous synthetic resin, and developing and eluting the compound ...  
JP56075450A
PURPOSE: To prepare the titled compound easily, in high yield, in a short time, by dissolving 3,4,5-trimethoxytoluene in water-lower alcohol mixture containing a strong acid, adding an aqueous solution of a persulfate to the solution, an...  
JP56075449A
PURPOSE: To prepare a slurry of anthraquinone fine crystals in sulfuric acid, by dissolving anthraquinone in concentrated sulfuric acid with heating, and adjusting the concentration of sulfuric acid first by adding sulfuric acid of speci...  
JP56061371A
PURPOSE: To obtain the titled substance which is an intermediate for a substituted benzoquinone, e.g. vitamin K, coenzyme Q, etc., by coupling a 2,3-substituted-5- methyl-1,4-hydroquinone derivative with a halide, and introducing a subst...  
JP56051986A
PURPOSE: To prepare coenzyme Q10, by cultivating a microorganism belonging to the genus Pseudomonas. CONSTITUTION: A new strain belonging to the genus Pseudomonas, e.g. Pseudomonas C1-36 (FERM-P No. 5209) is inoculated into a nutrient me...  
JP56040635A
PURPOSE: To obtain the titled compound useful as a remedy for congestive heart, etc. in high efficiency, from a saponification product of concentrated Q10 accumulated in the distillation residue obtained by the decomposition and distilla...  
JP56039037A
PURPOSE: To prepare 1,4-naphthoquinone, economically, in an industrial scale, by the oxidation of naphthalene with molecular oxygen in the presence of a catalyst consisting of particles having holes penetrating therethrough to increase t...  
JP56032433A
PURPOSE: After 3-nitrophthalic anhydride is subjected to chlorination, benzoylation and decomposition with dilute hydrochloric acid, the reaction mixture is only stirred in benzene under reflux to facilitate the filtration of the slurry,...  
JP56032434A
PURPOSE: After 3-nitrophthalic anhydride is subjected to chlorination, benzoylation and dehydrative ring closure with concentrated sulfuric acid, the reaction mixture is diluted with water until the concentration of sulfuric acid reaches...  
JP56030941A
PURPOSE: To purify a coenzyme Q useful as a remedy for heart failure etc., economically, in an industrial scale, by subjecting crude coenzyme Q to an adsorption process, an elution process and an adsorbent-cleaning process using silica g...  
JP56025130A
PURPOSE: To purify a high melting point compound, continuously and economically, by extracting the bottom product containing nonvolatile impurities produced in the rectifying column, easily, continuously, stably, without affecting the pr...  
JP56012335A
PURPOSE: To obtain the titled compound safely, readily and in high yield, by the reaction of 9,10-phenanthrene oxide with chlorine, in a water-organic solvent, in the first reaction stage adjusted to a lower pH and in the second stage ad...  
JP56007734A
PURPOSE: To obtain the title compound having a pharmacological activity, in high yield and purity, by the oxidation of a compound, e.g. 6-(10'-hydroxydecyl)-2,3- dimethoxy-5-methylphenol, with O2 or air, in the presence of a transition m...  
JP56007737A
NEW MATERIAL:A quinone of formula I [α-β part is saturated or double bond; R is methyl or methoxy, or two Rs are bonded into CH=CH-CH=CH; R1 is carboxyl, aldehyde, (CH2)mOH, etc.; m is an integer 1W3; R2 is H or hydroxyl group; n is an...  
JP55164643A
PURPOSE: To obtain a high purity coenzyme Q, which takes an important role in the biological electron transport system and has an excellent pharmaceutical activity for various diseases, at room temp., easily, in the yield, by recrystalli...  
JP55159797A
PURPOSE: To purify the title coenzyme Q efficiently, by adsorbing a crude coenzyme Q on a carbonaceous synthetic resin, and by eluting the coenzyme Q with a polar or nonpolar solvent or both. CONSTITUTION: A crude coenzyme Q prepared by ...  
JP55157535A
PURPOSE: To obtain 2,3-di(lower alkoxy)-5-methyl-1,4-benzoquinone in high yield, by adding an aqueous persulfuric acid salt to a suspension of 3,4,5-tri(lower alkoxy) toluene in a solvent, e.g. water, at a specific temp. CONSTITUTION: An...  
JP55143928A
PURPOSE: To obtain the title compound, useful as a coenzyme Q in simple procedures, by condensing a hydroquinone derivative with a prenol in the presence of a catalyst in a specific mixed solvent, and by oxidizing the hydrocarbon solvent...  
JP55143927A
PURPOSE: To separate the title compounds, useful as intermediates for dyes and pigments in high purity, by extracting an aqueous slurry catalytic oxidation product of naphthalene with a specific saturated hydrocarbon at a specific pH and...  
JP55118437A
PURPOSE: To obtain a coenzyme Q in high yield with supressed side reactions, by condensing 2,3-dimethoxy-5-methyl-p-benzohydroquinone and prenylalcohol in the presence of Lewis acid after adding an amide or urea to the reaction system, a...  
JP55118436A
PURPOSE: To obtain 2-t-alkyl-substituted anthraquinone in high yield, by the vapor phase oxidation of a diphenylmethane-type compound, using a catalyst comprising V and Ce and having a high and long activity. CONSTITUTION: A diphenylmeth...  
JP55115845A
PURPOSE: To obtain the title compound, co-enzyme Q10, etc. useful as a drug for heart diseases, by oxidizing a condensate, prepared from a hydroquinone derivative and (iso)prenyl alcohol in the presence of a nitroalkane and a Lewis acid ...  
JP55111439A
PURPOSE: To prevent the scaling in a collector and the excessive growth of crystal in a slurry, in the washing and collection of naphthoquinone and phthalic anhydride from the gas produced by the vapor-phase catalytic oxidation reaction ...  
JP55104225A
NEW MATERIAL:Anthracyclines of formula I (the configuration in the 7-position is S or R; X is H or formula II). EXAMPLE: 10-Decarbomethoxyaclacinomycin A. USE: They have antitumorigenic activity and effectively prohibit the propagation o...  
JP55102535A
PURPOSE: To prepare highly pure 1,5- and 1,8-diphenoxyanthraquinones useful as intermediates for production of dyes, separately, in high yield, by separating the mixture of 1,5- and 1,8-diphenoxyanthraquinones into the individual constit...  
JP55092691A
PURPOSE: To purify long-chain dicarboxylic acids produced by fermentation, economically and safely, by treating with a lower aliphatic alcohol, tetrahydrofuran, or their aqueous solution. CONSTITUTION: Long-chain dicarboxylic acids, esp....  
JP55087740A
PURPOSE: To prepare a benzoquinone derivative useful as a medicine, e.g. a remedy for heart failure, vitamin K1, vitamin K2, etc., easily, in high yield without using a fatally poisonous substance, by reacting a paraquinone derivative wi...  
JP55072137A
PURPOSE: To obtain the title compound useful as an assistant for production of H2O2, in a high extraction efficiency, by improving the separatory nature of aqueous and oily phases, in the presence of a specific compound, in extracting th...  
JP55072136A
PURPOSE: To obtain the title compound useful as a starting material for tocopherol, in high purity and yield, by separating the reaction mixture produced through the oxidation of 2,3,6-trimethylphenol with O2 in a specific solvent. CONST...  
JP55069535A
PURPOSE: To prepare the title compound useful as a raw material of coenzyme Q, easily, safely, and in high yield, by reacting a hydroquinone derivative with pulenol in the presence of an acidic condensation catalyst in a nitro compound a...  
JP55064543A
PURPOSE: To facilitate the extraction of the title compound useful as an assistant for the production of hydrogen peroxide, and to prepare the title compound economically, by adding a specific aliphatic carboxylic acid to a reaction mixt...  
JP55064542A
PURPOSE: To facilitate the extraction of the title compound useful as an assistant for the production of hydrofen peroxide, and to prepare the title compound economically, by adding a specific monohydric alcohol to a reaction mixture, th...  
JP55064544A
PURPOSE: To prepare the title compound useful as an intermediate of coenzyme Q, economically, in high yield, in a short and simple procedure, by oxidizing 2-methyl- 4, 5, 6-trimethoxybenzaldehyde with a peroxide. CONSTITUTION: 2, 3-Dimet...  
JP55055132A
PURPOSE: To prepare the title compound having excellent purity and color tone, and useful as a gelling agent and polymerization inhibitor of styrene, etc., by the dealkylation of an easily synthesizable 2,3-dialkoxy-1,4-naphtoquinone wit...  
JP55055133A
PURPOSE: To obtain the title compound excellent in purity and color tone, useful as a gelling agent for styrene, and a polymerization inhibitor, by alkylation of an easily available 2,3-dialkoxy-1,4-naphthoquinone with an aqueous solutio...  
JP55047639A
PURPOSE: To suppress the side reactions in the ring-closing reaction of an alkylbenzoyl benzoic acid in the presence of oleum, and to prepare the title compound useful as an additive for the preparation of H2O2, in high yield, by adding ...  
JP55045645A
PURPOSE: To obtain a high purity coenzyme Q having excellent remedying effect to various diseases in the living body, easily in high recovery, by extracting crude coenzyme Q with a nitrile compound, adjusting the concentration of solute ...  
JP55045622A
PURPOSE: To obtain the title compound useful as an assistant for the preparation of hydrogen peroxide, etc., in high yield, by the ring closure of alkylbenzoylbenzoic acid, using a specific ring-closing agent and selecting the reaction t...  

Matches 951 - 1,000 out of 1,087