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Matches 901 - 950 out of 2,211

Document Document Title
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...  
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...  
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....  
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  
JPH0455182B2  
JPH0455184B2  
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...  
JPH0449532B2  
JPH0449531B2  
JPH04221337A
PURPOSE: To produce an anthraquinone compound from a para-substituted benzene and phthalic anhydride as raw materials. CONSTITUTION: 1,4-Dimethylanthraquinone is produced from para xylene and phthalic anhydride in the presence of a heter...  
JPH0448785B2  
JPH0447655B2  
JPH04211035A
PURPOSE: To obtain a new phenanthrene derivative and a salt thereof having inhibitory activity against interleukin-1 and useful as an adjuvant arthritis depressor. CONSTITUTION: A compound shown by formula I [group A-B is group shown by ...  
JPH04211630A
PURPOSE: To oxidize efficiently a variety of hydroxy-containing aromatic compounds by contact with oxygen in a specific alcohol in the presence of a cobalt (II) compound such as cobalt (II) naphthate and a specific primary aliphatic amin...  
JPH04210958A
PURPOSE: To obtain new naphthacenequinones used for contrast formation or light absorption for reversible photochromic systems. CONSTITUTION: A compound of formula I or II [R is 6-14C aryl which may have substituents (alkyl, alkoxy, alky...  
JPH0446940B2  
JPH0446939B2  
JPH04504107A  
JPH04503803A  
JPH04178341A
PURPOSE: To produce the title substance with hardly forming any by-products by bringing an aromatic compound providing the title compound by oxidation into contact with an H2-containing gas and an O2-containing gas in the presence of a p...  
JPH0437816B2  
JPH0435448B2  
JPH04164092A
NEW MATERIAL:A compound expressed by formula I (R and X are H or hydroxyl-protecting group). EXAMPLE: A compound expressed by formula II. USE: A carcinostatic agent. PREPARATION: γ-Rhodomycinone is treated with trifluoroacetic anhydride...  
JPH04154737A
PURPOSE: To provide a pharmaceutical composition containing a biphenyl derivative or a phenyl derivative as an active component and having an action to promote the survival and growth of cholinergic nerve cell of central nervous system a...  
JPH0428248B2  
JPH04134045A
PURPOSE: To obtain chloranil for intermediate for agricultural chemical, pigment, etc., by reacting readily available hydroquinone, benzoquinone or chlorinated derivative thereof with chlorine using a mixed solvent of water or hydrochlor...  
JPH04112820A
PURPOSE: To obtain a hair-dye enabling fast-dyeing of hair without damaging the hair, free from stimulation and giving excellent feeling in use by using 1,2-hydroxy-1,4-naphthoquinone in combination with an organic compound containing ni...  
JPH0419974B2  
JPH0417172B2  
JPH0415214B2  

Matches 901 - 950 out of 2,211