Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 951 - 1,000 out of 2,286

Document Document Title
JPH0529384B2  
JPH0529341B2  
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  
JPH053864B2  
JPH054981A
PURPOSE: To obtain the subject novel compd. which is useful as an intermediate for production of d-α-tocophenol (natural vitamin E). CONSTITUTION: A compd. of formula I (R is an ether protecting group). For example, (1RS,3R,7R,11R)-1-(2...  
JPH051774B2  
JPH051250B2  
JPH0481575B2  
JPH0480011B2  
JPH04364146A
PURPOSE: To produce vitamin K4 and its diacetate useful as drugs for preventing hemorrhage, etc., more easily and cost effectively than the conventional process. CONSTITUTION: 1-Acetoxy-1,3-diene and 2-methylbenzo-1,4-quinone are brought...  
JPH04356429A
PURPOSE: To provide a method for highly selectively and continuously producing a phenol compound or quinone compound without producing by-products. CONSTITUTION: The selective oxidation of a substituted aromatic compound is characterized...  
JPH04356435A
PURPOSE: To provide a propene derivative useful for producing a 4- hydroxytetrahydropyrane derivative exhibiting a blood lipid-lowering action due to a strong HMG-CoA reductase-inhibiting activity. CONSTITUTION: A compound of formula I o...  
JPH04330036A
PURPOSE: To obtain a semisynthetic diastereotopically pure N- glycidylanthracycline which has an inhibitor activity against cellular growth and is suitable for the treatment of cancer. CONSTITUTION: This compd. is expressed by formula I....  
JPH04330010A
PURPOSE: To obtain the subject agent useful for the treatment or prevention of progression of central regressive diseases by using an o-quinone derivative as an active component. CONSTITUTION: The objective agent contains, as an active c...  
JPH04321609A
PURPOSE: To enable the preservation in a diluted state at a specific concentration or below by adding a specific stabilizing compound such as hydroquinone to an aqueous solution of 3-isothaiazolinone. CONSTITUTION: A compound represented...  
JPH04300848A
PURPOSE: To provide a novel benzoquinone compd. important for producing a triphenodioxazine deriv. and more particularly an asymmetric triphenodioxazine deriv. useable as a dye chromophore. CONSTITUTION: The benzoquinone compd. of formul...  
JPH04300849A
PURPOSE: To provide a novel compound having an anti-tumor activity, especially an activity to overcome the resistance of tumors resistant against many drugs, and having low toxicity, the use thereof and a method for the production thereo...  
JPH04297434A
PURPOSE: To obtain an anthraquinone compd. useful for production of dyes, paper pulp or hydrogen peroxide from phthalic anhydride and a benzene deriva tive without the need for executing sepn. and recovery of an intermediate prod uct whi...  
JPH0465105B2  
JPH0463869B2  
JPH0460098B2  
JPH04259391A
PURPOSE:To provide the process for producing the pyrenequinone from commercially practicable pyrene by electrolytically oxidizing the pyrene in a suspended state, thereby producing the corresponding pyrenequinone. CONSTITUTION:The corres...  
JPH0456811B2  
JPH0455184B2  
JPH0455182B2  
JPH0455183B2  
JPH0454656B2  
JPH04504849A  
JPH0452253B2  
JPH0451536B2  
JPH04226972A
PURPOSE: To provide a new 8-fluoroanthracyclin glycoside deriv. which is increased in the activity and selectivity of the known glycoside having an antitumor property and has the excellent antitumor property and also provide the pharmace...  
JPH04224538A
PURPOSE: To provide the preparation process of an alkyltetrahydroanthrahydroquinone-containing solution, that of alkyltetrahydroanthrahydroquinone or alkyltetrahydroantraquinone and that of hydrogen peroxide. CONSTITUTION: Alkylanthraqui...  

Matches 951 - 1,000 out of 2,286