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Matches 851 - 900 out of 2,214

Document Document Title
JPH05255174A
PURPOSE: To produce chloranil having low residual chlorine ion content under mild condition with simple operation. CONSTITUTION: Hydroquinone is made to react with chlorine in a mixed solvent consisting of water or hydrochloric acid and ...  
JPH05255175A
PURPOSE: To recover an organic solvent under a mild condition by a simple operation after production of chloranil and to reuse the recovered organic solvent for production of chloranil. CONSTITUTION: Hydroquinone is reacted with chlorine...  
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...  
JPH0565496B2  
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 ...  
JPH05238983A
PURPOSE: To obtain an antimicrobial agent expectable to have strongly antimicrobial activity by addition to foods, etc., having high safety because of being derived from a natural product and inhibitory action on the growth of microorgan...  
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...  
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...  
JPH05194307A
PURPOSE: To obtain bequinostatin B having immunomodulating action and expected to be useful especially as an immunoactivating agent from bequinostatin A in high yield. CONSTITUTION: Carboxyl group of bequinostatin A of formula I which is...  
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 (...  
JPH05194204A
PURPOSE: To provide an anti-male sex hormone preparation of high safety, having no hormone-like activity, containing a rosewood extract or a neoflavone compound. CONSTITUTION: The objective anti-male sex hormone preparation containing a ...  
JPH0544937B2  
JPH0544925B2  
JPH05163191A
PURPOSE: To provide the subject new compound exhibiting excellent characteristics as a pigment component for fluoro coatings, etc., or as a functional pigment such as a dichroismic pigment for polarizing films and further useful as an in...  
JPH05155803A
PURPOSE: To economically obtain a vitamin K condensate in a high concentration ratio by a mild method by extracting a deodorized distillation product containing vitamin K produced as a by-product in a purification process of vegetable oi...  
JPH05155804A
PURPOSE: To produce a high-purity chloranil being readily handleable and having high bulk specific density by chlorinating a hydroquinone under mild conditions and with a simple operation method. CONSTITUTION: In a method of producing a ...  
JPH05140022A
PURPOSE: To produce readily handleable high-purity chloranil having a high bulk specific gravity by chlorinating hydroquinone under mild conditions according to a simple method for operation. CONSTITUTION: Hydroquinone is dissolved in a ...  
JPH05140021A
PURPOSE: To produce readily handleable high-purity chloranil having a high specific gravity by chlorinating hydroquinone under mild conditions according to a simple method for operation. CONSTITUTION: Hydroquinone is dissolved in a nonun...  
JPH0533212B2  
JPH0530813B2  
JPH0529386B2  
JPH0529341B2  
JPH0529340B2  
JPH0529384B2  
JPH0529385B2  
JPH0529387B2  
JPH0529381B2  
JPH0529379B2  
JPH0529380B2  
JPH0529382B2  
JPH0597765A
PURPOSE: To provide a new compd. as an intermediate for the synthesis of 2-substd.-3-hydroxy-1,4-naphthoquinone which is useful for prevention and treatment for infections by protozoan. CONSTITUTION: This invention provides a compd. expr...  
JPH0585973A
PURPOSE: To directly obtain in high efficiency an aromatic hydroxyl compound such as phenol highly important as an industrial feedstock, from an aromatic compound like benzene and oxygen. CONSTITUTION: Using a catalyst, a combination of ...  
JPH0578240A
PURPOSE: To obtain the subject composition capable of improving the absorption of ubidecarenone known as an agent effective for the improvement of coronary function to keep high concentration in blood and having high stability and safety...  
JPH0522690B2  
JPH0578321A
PURPOSE: To obtain a new quinone derivative useful for preventing and treating asthma and hepatic diseases, having two pharmaceutically inhibitory actions on leucotriene production and thromboxane synthesis. CONSTITUTION: A compound of f...  
JPH0521914B2  
JPH0565682A
PURPOSE:To electrochemically produce an alkylbenzoquinone in high yield, with high current efficiency and at a low cost by electrolytically oxidizing a alkylphenol with a carbon electrode used as the anode and cathode. CONSTITUTION:An al...  
JPH0520420B2  
JPH0558941A
PURPOSE: To obtain naphthacenequinones useful for the chemical storage of information as photochromic systems for contrast formation, light absorption or information recording. CONSTITUTION: The naphthacenequinones are compds. of formula...  
JPH0517165B2  
JPH0516407B2  
JPH0551346A
PURPOSE: To provide novel phthalide and quinoline found in rhizome of Cnidium officinale as a crude drug, having lipoperoxide production-inhibitory activity effective for the therapy of circulatory diseases. CONSTITUTION: The objective c...  
JPH0514698B2  
JPH0514699B2  
JPH0514697B2  
JPH0539242A
PURPOSE: To obtain a new anthracycline compound having low toxicity and excellent antitumor activity, useful as an antitumor agent as well as an intermediate for anthracycline based antibiotics. CONSTITUTION: A compound expressed by form...  
JPH0532903A
PURPOSE: To obtain a new safflower pigment having excellent stability and characteristic coloring and insoluble in water and useful for coating, dye, cosmetic, etc. CONSTITUTION: A compound expressed by the formula [(n) is 1-15]. For exa...  
JPH058179B2  
JPH056533B2  

Matches 851 - 900 out of 2,214