Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 801 - 850 out of 1,074

Document Document Title
JP60051144
PURPOSE: To produce the titled substance useful as an antioxidant, by reacting an alkylphenol compound with oxygen using inexpensive methanol as a solvent, cupric halide, etc. as a catalyst and the halide of alkali metal, etc. as an acce...  
JP60044048
PURPOSE: To provide an internal shortcircuit battery type catalyst facilitated in the separation of a product and an electrolyte, obtained by laminating a positive pole layer comprising an electron conductive catalyst and a fluorine cont...  
JP60044049
PURPOSE: To provide an internal shortcircuit battery type catalyst facilitated in the separation of a reaction product and an electrolyte, obtained by binding a battery, wherein a positive pole is bonded to one surface of an ion exchange...  
JP60032746
PURPOSE: To produce a benzoquinone compound useful as perfumery, medicine, or their preparation raw material, without producing by-products, in high yield, by reacting a phenolic compound with hydrogen peroxide in a specific medium in th...  
JP60028949
PURPOSE: To obtain the titled compound useful as an intermediate for synthesizing a nonnatural-type anthracyclin antibiotic, etc., by reacting an anthro[b]cyclobutene derivative with a dienophile under heating. CONSTITUTION: An anthro[b]...  
JP60013733
PURPOSE: To produce benzoquinone useful as an antioxidant, etc., economically, by the liquid-phase oxidation of phenol or an alkylphenol free from the substituent group at the p-position of the OH group with O2 gas in the presence of act...  
JP60013734
PURPOSE: To produce p-benzoquinone, by the liquid-phase oxidation of phenol or an alkylphenol free from the substituent group at the p-position of the OH group with O2-containing gas in the presence of active clay, silica gel or silica-a...  
JP60001152
NEW MATERIAL:The compound of formula [R is H (in the case of DC-87-A) or -0-2-0-methyl-α-rhamnose (in the case of DC-87-B)]. USE: An antibacterial agent and antitumor agent. PREPARATION: A microbial strain belonging to Streptosporangium...  
JP59225138
NEW MATERIAL:A quinone compound shown by the formula I (R is methyl, or methoxy; Y is formyl, carboxyl, 2W5C alkoxycarbonyl, carbamoyl, mono- or di- 1W4C alkylcarbamoyl, or carbamoyloxymethyl group) or its hydroquinone derivative. EXAMPL...  
JP59225137
PURPOSE: To obtain the titled substance useful as an intermediate for synthesizing vitamin E in high yield by a reactor with small volume by using a catalyst repeatedly, by using a copper halogeno complex as the catalyst, by bringing raw...  
JP59222436
PURPOSE: To produce the titled compound in a very short reaction process, by hydroxylating the o-position of a dilower alkoxyl lower alkylbenzene obtained easily from a 4-lower alkylcatechol as a raw material, and oxidizing the resultant...  
JP59216828
PURPOSE: To carry out the oxidation reaction of naphthalene, etc. in an aqueous solution of ceric sulfate and sulfuric acid, by controlling the molar concentration and above a specific molar concentration of Ce in the produced cerous sul...  
JP59212444
NEW MATERIAL:A 1,2,3,4-tetrahydroanthracene-5,8-dione derivative of formula I (R1 and R2 are the same or different and respectively H or lower alkanoyl). EXAMPLE: 1-0-Acetyl-2-thyl-10 hydroxy-1,2,3,4-tetrahydroanthracene-5,8-dione. USE: ...  
JP59196838
PURPOSE: To obtain the titled compound useful as an antioxidant, etc., quantitatively, at a low temperature, in high selectivity, by dissolving o-tert-butylphenol in a specific solvent to a specific low concentration, and oxidizing the c...  
JP59190944
PURPOSE: To prepare the titled compound economically or an industrial scale, without producing by-products, by reacting a polycyclic aromatic hydrocarbon with a ceric salt as an oxidizing agent in the presence of a specific solvent immis...  
JP59175449
PURPOSE: 2-( 1'-Acetoxy-4'-oxy-4'-methylbenzyl )-5, 8-diacetoxy-1,4-naphthoquinone is used as a starting substance to effect dehydration, treatment with an alkali hydroxide and acidification to give easily the titled substance as a viole...  
JP59173140
PURPOSE: To improve yield of deposition of starting material for catalytically active substance to carrier, strength of deposition of the catalyst, catalytic activity and/or selectivity by using whisker for the carrier aid. CONSTITUTION:...  
JP59173088
PURPOSE: To prepare coenzyme Q in high purity and recovery, by repeating the extraction and adsorption of a material containing coenzyme Q. CONSTITUTION: A material containing coenzyme Q, e.g. animal or vegetable tissue, microbial cells,...  
JP59172546
NEW MATERIAL:Anthraquinone compounds of formula I wherein R1WR4 are each H, hydroxy, amino; X is S, O; R5 is trans-4-alkylcyclohexyl, trans-4-alkoxycyclohexyl, trans-4-cyclohexylcyclohexyl; trans-4-alkylcyclohexylcyclohexyl; Y is H, -X-C...  
JP59172434
PURPOSE: To obtain high-purity naphthoquinone, by washing a formed gas of gaseous phase catalytic oxidation reaction of naphthalene and collecting it to give an aqueous slurry containing naphthoquinone and phthalic acid, separating both ...  
JP59163316
PURPOSE: A high-safety anticonvulsant that contains, as an active ingredient, coenzyme Q, thus being effective on central contraction, especially used as a preventive or remedy for epilepsy with high efficacy. CONSTITUTION: Anticonvulsan...  
JP59157048
PURPOSE: To obtain a benzoquinone useful as a raw material for preparing tocopherol usable as perfume, drugs, etc. in high yield, by using a specific catalyst, reacting a phenol with hydrogen peroxide with suppressing a secondary reactio...  
JP59148731
PURPOSE: To obtain an aromatic ketone useful as a polymerization inhibitor, a fixing agent for perfumery, etc., in high conversion, selectivity and yield, by the catalytic vapor-phase oxidation of a diphenylmethane derivative with O2 in ...  
JP59148735
PURPOSE: To prepare the titled composition having excellent oral absorbability and useful as a drug effective to improve the coronary function, by adding capric acid (a medium fatty acid) to a mixture of ubidecarenone and oleic acid (a h...  
JP59137440
PURPOSE: The oxidation of a specific phenol is carried out by use of oxidative nitrogen oxide to enable rapid production of the titled substance, as a synthetic intermediate of coenzyme Q, by no use of organic solvents without contaminat...  
JP59130830
PURPOSE: To recover quinones in the form of slurry, by introducing a hot gas mixture containing quinones into a column having wet wall formed by an aqueous medium, carrying out the heat exchange of the gas with the medium to cool the gas...  
JP59128348
NEW MATERIAL:Monoterpenylbenzoquinone shown by the formula. USE: Having physiological activity in inhibiting biosynthesis of prostaglandin, it is expected to have utility of becoming a nonsteroid antiphlogistic analgesic. PROCESS: Arnebi...  
JP59122439
PURPOSE: To prepare an aromatic ketone useful as a polymerization inhibitor, a perfume fixer, and an intermediate of dye, etc., economically in an industrial scale, by the catalytic vapor-phase oxidation of a diphenylmethane derivative w...  
JP59116245
PURPOSE: To prepare anthraquinone useful as an intermediate for synthesizing dye, etc. or an auxiliary for pulp digesting without hardly causing by-products, by oxidizing catalytically an anthracene derivative replaced with an alkyl in a...  
JP59116246
NEW MATERIAL:An anthracyclinone compound shown by the formula I (R1 is H, OH, or lower alkoxy; R2 is ethyl, or acetyl). EXAMPLE: (8S, Trans)-8-ethyl-10-[2'(S)-hydroxy-1'(S)-methylpropyl-oxy]-7,8 ,9,10- tetrahydro-1,8,11-trihydroxy-5,12-n...  
JP59078142
PURPOSE: To obtain the titled compound useful as an intermediate for synthesizing coenzyme Q easily in high yield, by reacting a 2-methyl-4,5,6-trialkoxybenzaldehyde with hydrogen peroxide in the presence of an acidic catalyst, and oxidi...  
JP59076037
PURPOSE: To prepare the titled compound useful as a preparation raw material of perfumes, pharmaceuticals, etc., safely, in high yield, without causing the problems of post-treatment, etc., by reacting a phenolic compound with hydrogen p...  
JP59073539
NEW MATERIAL:An anthracyclin derivative shown by the formula I (R1 is H, OH, or lower alkanoyloxy). EXAMPLE: 4-Demethoxy-11-deoxydaunomycin. USE: An intermediate for synthesizing an antharacyclin antibiotic shown by the formula II such a...  
JP59070636
PURPOSE: To prepare the titled compound stably for a long period, without increasing the gas-flow resistance of the catalyst bed, by the catalytic vapor- phase oxidation of a raw material composed of an oxygen-containing gas containing a...  
JP59067240
PURPOSE: To obtain the titled compound useful as a synthetic intermediate for coenzyme Q easily in high yield in an easy apparatus, by oxidizing a 2-methyl- 4,5,6-trialkoxyphenol as a raw material with nitric acid. CONSTITUTION: A 2-meth...  
JP59063192
PURPOSE: To obtain a novel ubiquinone derivative NK-4, by cultivating a specific microorganism belonging to the genus Kernia or Chaetomium in a nutrient culture medium, extracting the ubiquinone derivative from the microbial cell, and se...  
JP59062534
NEW MATERIAL:The compound of formula I or formula II (L is residue of a liquid crystal substance; S is atom or group forming a spacer; CT is charge transfer complex). USE: An electrically-conductive liquid crystal substance. It has excel...  
JP59059641
NEW MATERIAL:The anthraquinone derivative of formula I (n is the number of hydrogen atoms added to the double bond of benzene ring and is 0, 2 or 4). EXAMPLE: 1-(2-Methyl-1-propenyl)-3,4-dimethyl-1,4,4a,9a-tetrahydroant hraquinone. USE: ...  
JP59053435
PURPOSE: To obtain the titled compound in high yield, by extracting naphthoquinone with an aromatic hydrocarbon from slurry prepared by washing a formed gas through oxidation of naphthalene with water and collecting it, reacting naphthoq...  
JP59051235
NEW MATERIAL:2-(4-Methyl-pentyl)-anthraquinone of formula. USE: An alkylanthraquinone-type catalyst for the preparation of hydrogen peroxide, an assistant for digesting pulp, and an antioxidant for rubber. PROCESS: The compound of formul...  
JP59051226
PURPOSE: To prepare the titled substance, in high purity, by crystallizing the substance from a 1,4,4a,9a-tetrahydroanthraquinone solution obtained from a 1,4- naphthoquinone solution and 1,3-butadiene, adding an enolizing catalyst to th...  
JP59039847
PURPOSE: To prepare quinones useful as drugs or their derivatives simply using an inexpensive raw material, by oxidizing a specific aromatic compound such as thimol, etc. corresponding to the desired compound with a specified aromatic pe...  
JP59036636
PURPOSE: To prepare anthraquinone, in high yield, by the catalytic vapor-phase oxidation of 2-methyldiphenylmethane with O2 in two reaction zones containing two kinds of different catalysts, especially containing a specific compound as t...  
JP59025348
PURPOSE: To obtain easily the titled compound having excellent carcinostatic action from a high-purity optical active α-hydroxyketone compound which is obtained by carrying out optical resolution using an optical active α-glycol having...  
JP59016842
PURPOSE: To obtain a purified isoprene derivative in high yield, by dissolving crude isoprene derivative in a mixture of water and an organic solvent, adsorbing the isoprene derivative with a hydrophobic adsorbent, and desorbing with an ...  
JP59012968
PURPOSE: To prepare anthraquinone in high yield, by the catalytic vaporphase oxidation of 2-methylbenzophenone with air or O2-containing gas in the presence of a catalyst containing vanadium oxide and phosphorus oxide. CONSTITUTION: Anth...  
JP59010544
PURPOSE: To improve the yield of the titled compound in catalytically oxidizing 2-methyldiphenylmethane in the vapor phase in the presence of a catalyst containing vanadium, by using a halogen element or compound containing the halogen p...  
JP59010541
NEW MATERIAL:A quinone compound of formula I (R is methyl or methoxyl; Y is formyl, carboxyl, 2W5C alkoxycarbonyl, carbamoyl, mono- or di- 1W4C alkylcarbamoyl or carbamoyloxymethyl) or a hydroquinone derivative thereof. USE: Useful as a ...  
JP59005137
PURPOSE: To prepare the titled compound which can be used as a raw material of an alkylanthraquinone catalyst for the preparation of hydrogen peroxide, without isomerization, by reacting 1,4-naphthoquinone with 1,3,6-octatriene compound....  
JP59001477
PURPOSE: To obtain ubiquinone or convert the ubiquinone into vitamin E, etc. in the presence of an acidic catalyst, by separating the metallic carbonyl part from a reaction product of a carbonyl-alkenylcarbene-metallic complex with an en...  

Matches 801 - 850 out of 1,074