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Matches 851 - 900 out of 1,745

Document Document Title
JPH06206846A
PURPOSE: To provide the new physiologically active substances, bequinostatins C and D, and their pharmacologically acceptable salts strongly inhibiting glutathione transferase, and extremely useful as a glutathione transferase inhibitor....  
JPH0653701B2  
JPH0653702B2
PURPOSE:To separate and purify vitamin K2 isomers, by adding an organic solvent, e.g. lower alcohol, soluble in the vitamin K2 isomers thereto and using supercritical fluid chromatography. CONSTITUTION:Vitamin K2 isomers are industrially...  
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  
JPH0645567B2  
JPH0645568B2
PURPOSE:To obtain a physiologically active substance having an inihibitory activity against protocollagen-proline hydroxylase, by cultivating a specific microorganism belonging to the genus Streptomyces. CONSTITUTION:Streptomyces sp. No....  
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
There is described a novel process for the manufacture of hydroquinone derivatives of the formula II wherein R represents an ether protecting group, and their conversion into d- alpha -tocopherol starting from compounds of the formula I ...  
JPH0637414B2
Vitamin K3 (I; 2-methylnaphtho-1,4-quinone), vitamin K4 (IIa; 2-methyl-1,4-dihydroxynaphthalene) and vitamin K4 diacetate (IIb) are prepared by reacting 1-acetoxy-buta-1,3-diene (IV) with methylbenzoquinone (V) to give the novel compound...  
JPH0637379B2  
JPH0637388B2
This invention relates to an aqueous preparation comprising a compound (A) represented by the formula:and at least one of cyclodextrins selected from a a-cyclodextrin and dimethyl-β-cyclodextrin; and a method of preparation thereof.Acco...  
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
A bicyclic compound of the following formula : wherein A is @C=O or @CHOH, R<1> is aryl which may have cyano or carbamoyl, or heterocyclic group which may have lower alkyl, R<2> is hydrogen or lower alkyl, R<3> is lower alkyl, X is hydro...  
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...  
JPH0621099B2  
JPH0621098B2
The present invention relates to novel calixarene derivatives having an inclusion activity which are useful for selective transportation of various metal ions, possess a biological activity and a redox activity, and are not only capable ...  
JPH0621089B2
The invention relates to a novel process for the preparation of ether and thioether compounds of formula by reacting compounds of formula with compounds of formula R1-Y wherein R, R1, X, Y and n are as defined in claim 1, in the presence...  
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...  
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...  
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  
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...  
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...  
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...  
JPH066549B2  
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
1. Compounds of the formula see diagramm : EP0169571,P20,F2 wherein R1 signifies hydrogen, lower alkyl, chlorine, fluorine or trifluoromethyl ; R2 signifies hydrogen, lower alkoxy, trifluoromethyl-lower alkoxy, hydroxy, lower alkyl, chlo...  
JPH0581579B2
Quinone derivatives represented by general formula (I) wherein R<1> and R<2> may be the same or different, and each represents hydrogen, methyl or methoxy or, when taken together, R<1> and R<2> represent -CH=CH-CH=CH-, R<3> represents hy...  
JPH0579055B2
An improved process for producing 2-methyl-1,4-naphthoquinone with a high yield comprising reaction of a 1-lower-alkoxy-2-methyl naphthalene with hydrogen peroxide in the presence of a hexacyanoferric acid or a salt thereof as catalyst. ...  
JPH0579054B2
There is provided a process of producing p-benzoquinone, wherein hydroquinone and hydrogen peroxide are reacted in water, an aqueous inorganic acid solution, an inert organic polar solvent or a mixture of water with an inert organic pola...  
JPH0578537B2  
JPH0578538B2  
JPH0577455B2
A condensation reaction catalyst useful for producing an organic compound, for example, anthraquinone compounds from phthalic anhydride and optionally benzene, comprises a catalytic principal component consisting of a solid acid substanc...  
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...  
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...  
JPH05246933A
PURPOSE: To obtain a new fluoroalkyl group-containing anthraquinone compound usable as a compound having high light resistance and fastness, especially as dye and a coloring matter for recording. CONSTITUTION: A compound of formula I [R1...  
JPH05238982A
PURPOSE: To obtain a new antitumor agent showing higher medicinal effects on cancerous cells, comprising a specific compound as a metabolite of a bacterium belonging to the genus Streptomyces. CONSTITUTION: An antitumor agent comprising ...  
JPH05238981A
PURPOSE: To obtain the subject new compound having ultraviolet rays absorbing action, mixable as an ultraviolet rays absorber of natural source with cosmetic, etc. CONSTITUTION: An anthraquinone-based compound expressed by formula. Appea...  
JPH0565496B2  
JPH0563881B2  
JPH05221915A
PURPOSE: To obtain a new benzoquinone derivative useful as an antioxidant and an anti-inflammatory agent. CONSTITUTION: A 1,4-benzoquinone derivative of formula I [R1 is (CH2)m= CH(CH2)nCH3 (m is integer of 2-15; n is integer of 1-5; eit...  
JPH05194784A
PURPOSE: To photo-cure a composition obtained by photopolymerizing photopolymerizable organic materials such as epoxy resins to a greater depth and thickness. CONSTITUTION: Photopolymerizable organic resin compositions are comprised of (...  

Matches 851 - 900 out of 1,745