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Patent Searching and Data


Matches 751 - 800 out of 2,253

Document Document Title
JPH08501806A  
JPH0816076B2  
JPH0841014A
PURPOSE: To provide an organic memory molecule capable of being utilized for a high-density recording device based on the principle of scanning tunnel microscope. CONSTITUTION: An organic memory molecule of formulae I to III (R1 is a 1 t...  
JPH08500091A  
JPH08997A
PURPOSE: To obtain an easily available low-cost catalyst system easy to handle, capable of attaining the a desired selectivity in the oxidation of an aromatic compound, capable of storage and having high activity by using a compound havi...  
JPH07324052A
PURPOSE: To easily obtain the subject compound in high reaction rate and high selectivity without forming any byproduct by oxidizing an (alkyl)aromatic compound with a new solid cerium (IV) compound as oxidant. CONSTITUTION: This compoun...  
JPH07324053A
PURPOSE: To readily obtain the subject compound with high purity in high yield in high bulk density and high in yield when the introduction of gaseous chlorine has ended by the action of chlorine gas and concentrated hydrochloric acid on...  
JPH07316091A
PURPOSE: To obtain the subject compound useful as an antitumor agent, having inhibitory activity against topoisomerase I, showing strongly inhibitory action on proliferation of various cancerous cells, by culturing a specific bacterium b...  
JPH07110829B2  
JPH07110830B2  
JPH07108877B2  
JPH07300470A
PURPOSE: To easily obtain a dl-tocopherol compound in a good yield in a short process from an inexpensively available raw material by subjecting the specific compound to a reducing reaction. CONSTITUTION: A compound of formula I [one of ...  
JPH07103056B2  
JPH07103018B2  
JPH07285855A
PURPOSE: To obtain a pharmaceutical composition comprising a compound having a specific structure and a pharmaceutically acceptable diluent or carrier, and useful for treating osteoarthritis, osteoporosis, rheumatic arthritis, etc. CONST...  
JPH07285909A
PURPOSE: To provide a new phenanthrene derivative having IL-1 inhibiting activity and useful for the treatment of chronic inflammatory diseases. CONSTITUTION: This phenanthrene derivative is a compound selected from the compounds of form...  
JPH0798773B2  
JPH0796521B2  
JPH07258146A
PURPOSE: To obtain quinones in a high yield under mild reaction conditions using molecular oxygen as an easy-to-handle and safe oxidizing agent by carrying out the reaction between a naphthalene derivative and oxygen molecules in the pre...  
JPH07251078A
PURPOSE: To produce an effective catalyst for oxidation of aromatic compds., which attains the objective selectivity, is easily available, simply handled and can be stored. CONSTITUTION: The compds. of formula I: R1aRebOc (I) [where (a) ...  
JPH0784404B2  
JPH07228547A
PURPOSE: To inexpensively obtain the subject compound useful as an intermediate, etc., for medicines, agrochemicals and optical materials, etc., while repeatedly using a fuming sulfuric acid solvent in high purity and yield by reacting a...  
JPH07223992A
PURPOSE: To obtain in high yield a compound, which is useful as a synthetic intermediate of a therapeutic agent for infantile prothrombinemia and hemostatic vitamin by oxidizing a specific naphthoquinone with a specific compound without ...  
JPH07223993A
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...  
JPH0776192B2  
JPH07215907A
PURPOSE: To provide a method for producing 2,3-dimethoxy-6-chloronaphthazarin which is an active ingredient for antitumor agent. CONSTITUTION: 2,3,6-Trichloronaphthazarin and sodium methylate are heated under reflux in the presence of me...  
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...  
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...  
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  
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...  
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...  
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...  
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...  
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...  
JPH0735392B2  
JPH0733347B2  
JPH0729974B2  
JPH07502724A  

Matches 751 - 800 out of 2,253