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Matches 801 - 850 out of 2,214

Document Document Title
JPH06192155A
PURPOSE: To obtain a new compound exhibiting an interleukin-1 inhibitory activity and useful as an interleukin-1 inhibitor. CONSTITUTION: A compound of formula I (R1 is a lower alkyl), formula II (R2 is hydroxymethyl or carboxyl), formul...  
JPH0647564B2  
JPH06172254A
PURPOSE: To obtain menadione in high yield in a method of producing menadione by oxidizing 2-methyl-1-naphthol with molecular oxygen without using a catalyst to cause pollution. CONSTITUTION: Cupric chloride or cupric bromide and an alka...  
JPH0645568B2  
JPH0645567B2  
JPH0643584B2  
JPH06157395A
PURPOSE: To industrially and advantageously obtain a compound useful as an intermediate for dye for fiber, pigment, agricultural chemical, medicine and optical material by chlorinating p-aminophenol with a chlorine gas in a specific alco...  
JPH0639468B2  
JPH0637414B2  
JPH0637388B2  
JPH0637379B2  
JPH06135885A
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...  
JPH0635548B2  
JPH0635417B2  
JPH06128187A
PURPOSE: To obtain a new compound, having antitumor activity and useful as an antitumor agent. CONSTITUTION: A compound of formula I [A is formula II or III (R1 and R2 are H or alkyl); X is OH, halogen, etc.], e.g. 2-(2,6-dimethyl-8-(tet...  
JPH0629212B2  
JPH0627092B2  
JPH06100569A
PURPOSE: To provide a novel compound having a DNA-cleaving action and an active oxygen species-eliminating action and useful for autoimmune disease- therapeutic agents, antiarteriosclerosis agents. carcinogenesis-preventing agents, infla...  
JPH0625095B2  
JPH0623123B2  
JPH0687737A
PURPOSE: To obtain an anti-AIDS agent having activity capable of suppressing proliferation of HIV in infected cell. CONSTITUTION: The anti-AIDS agent contains 1-methoxy-2-formyl-3- hydroxyanthraquinone expressed by the formula as an acti...  
JPH0621089B2  
JPH0621099B2  
JPH0621098B2  
JPH0680607A
PURPOSE: To obtain a new malbranicin, having antibacterial and carcinostatic actions and useful as a medicine. CONSTITUTION: The objective malbranicin is expressed by the formula. This compound is obtained by culturing a strain having th...  
JPH0680658A
PURPOSE: To efficiently obtain the compound in high yield which is useful as an intermediate or the like of a pharmaceutical or the like by nucleophilically substituting and cyclizing a particular quinone obtained from a trialkylhydroqui...  
JPH0672940A
PURPOSE: To provide a new compound having excellent light-resistance and fastness and especially useful as a dye and recording pigment. CONSTITUTION: The compound of formula I [R1 is H, 1-3C alkyl or NHR2 (R2 is 1-3C alkyl, phenyl, etc.)...  
JPH0617329B2  
JPH0656735A
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...  
JPH0649372A
PURPOSE: To obtain a reactive water-soluble triphenodioxazine dye usable to prepare a high concn. liq. dye formulation having the respective specified atom and group in a plurality of prescribed positions and superior dyeing characterist...  
JPH0640997A
PURPOSE: To easily obtain in high yield quinone useful as a feedstock for the synthetic organic chemical industry. CONSTITUTION: A column packed with a sodium-type or neutral salt-type cation exchange resin or a hollow-type ion exchange ...  
JPH0641179A
PURPOSE: To produce a new compd. useful as antitumor agents. CONSTITUTION: The compd. of the formula I (R1 is H or OH; either R2 or R3 is H, and the other is H or OH; X is H or trifluoroacetyl, where R1 H in the case X is trifluoroacetyl...  
JPH0625063A
PURPOSE: To provide a new compound having excellent antitumor activity. CONSTITUTION: The compound of formula I [X is halogen; R1 is H or alkyl; R2 is hydroxy or halogen; R3 is hydroxy, alkoxy, aralkyloxy or NR4R5 (R4 and R5 are H, alkyl...  
JPH0622774A
PURPOSE: To produce a useful physiologically active substance unobtainable by respective individual culture of a cultured plant cell and a photosynthetic autotrophic microorganism, e.g. a new benzoquinone-based substance useful as a food...  
JPH066549B2  
JPH0617059A
PURPOSE: To upgrade the quality of heavy oil fractions containing polynuclear aromatics by oxidizing carbonaceous raw materials in a multi-phase system including an aqueous phase under low severity conditions and further by applying deox...  
JPH069485A
PURPOSE: To enable high-selectivity production of 2-methyl-1,4-naphthoquinone by gas-phase oxidation of 2-methylnaphthalene. CONSTITUTION: 2-Methylnaphthalene in the gas phase together with an oxygen- containing gas is brought into conta...  
JPH061746A
PURPOSE: To provide a new intermediate compound capable of stereoselectively synthesizing a high-purity dioxophenanthrene derivative useful as an IL-1 inhibitor in large quantity. CONSTITUTION: The compound of formula I (R1 to R3 are low...  
JPH06716B2  
JPH05339193A
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...  
JPH0581579B2  
JPH05294884A
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...  
JPH0579055B2  
JPH0579054B2  
JPH0578538B2  
JPH0578537B2  
JPH0577455B2  
JPH05271145A
PURPOSE: To obtain new physiological active substance bequionstain A and B having high specificity, inhibitory activity against glutathione transferase and immunomodulating action and its pharmaceutically acceptable salt. CONSTITUTION: A...  
JPH05271144A
PURPOSE: To produce high-purity chloranil by effectively using chlorine without releasing chlorine to the outside of a reaction system and causing loss. CONSTITUTION: In production of chloranil in each reactor by feeding hydroquinone to ...  
JPH05259493A
PURPOSE:To provide an organic photovoltaic device (organic solar cell) which allows a larger area and a higher conversion rate. CONSTITUTION:Relating to an organic photovoltaic device in which laminated layers of an electron acceptive or...  

Matches 801 - 850 out of 2,214