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Matches 951 - 1,000 out of 2,174

Document Document Title
JPH03120236A
NEW MATERIAL:A calixareone derivative which is a calixarene derivative expressed by formula I or II (n is 3-8). EXAMPLE: p-Hydroquinone type calix[4]areone or p-benzoquinone type calix[4]areone. USE: With including action, physiological ...  
JPH03109388A
NEW MATERIAL:A compound expressed by formula I (A is -O- or -NH-; R is alkyl or hydroxyalkyl). USE: An antitumor agent. PREPARATION: A compound expressed by formula II is reacted with 1-7 equivalent 2-hydroxyethylamine in an inert solven...  
JPH0329777B2  
JPH0399075A
NEW MATERIAL: Compds. of formulae I and II, (where X, Y=O, S; R1, R5 = isopropyl, cyclopropyl, etc.; R2, R4=H, isopropyl, phenyl, etc.; R3=H, methyl, ethyl, C3-8 cycloalkyl, etc.), salts contg. salts of the same. EXAMPLE: Sodium 3(R),5(S...  
JPH0329054B2  
JPH0328408B2  
JPH0386841A
NEW MATERIAL:A quinone derivative expressed by formula I (R1 and R2 are H, methyl or methoxy or mutually linked to form CH=CH-CH=CH; R3 is H or methyl; R4 is phenyl which may be substituted with lower alkyl or lower alkoxy; R5 is hydroxy...  
JPH0381248A
NEW MATERIAL:A quinone derivative expressed by formula I or hydroquinone derived from said derivative (R1 and R2 are same or different methyl or methoxy, or R1 and R2 are mutually bonded to form-CH=CH-CH=CH-; R3 is methyl; R4 is substitu...  
JPH0381246A
PURPOSE: To obtain the subject compounds for, synthesis of hydroquinone useful in photograph industry with a high selectivity without a problem of corrosion of metallic materials by reacting phenol with oxygen in the presence of a specif...  
JPH0381249A
PURPOSE: To obtain the subject compound useful as a synthetic intermediate of a functional polymer or medical drug, etc., in high yield with using a small amount of catalyst and in high reaction speed by efficiently oxidizing 2,6- dimeth...  
JPH0381247A
PURPOSE: To obtain the subject compounds for synthesis of hydroquinone useful in photograph industry with a high selectivity without a problem of corrosion of metallic materials by reacting phenol with oxygen in the presence of a specifi...  
JPH0374326A
PURPOSE: To obtain the subject chemiluminescence inhibitor useful for a remedy of ischemic cerebrovascular disease, complication of diabetes mellitus, etc., by blending specified anthraquinones or analogous compounds as the active compon...  
JPH0372444A
NEW MATERIAL:A quinone derivative shown by formula I [R1 and R2 are H, methyl, methoxy or R1 and R2 are mutually bonded to form CH=CH-CH= CH; R3 is H or methyl; R4 is phenyl; R5 is hydroxymethyl or carboxyl; Z is C≡C or CH=CH; (n) is 2...  
JPH0321534B2  
JPH0363240A
NEW MATERIAL: A compound of formula I (R1-R4 are each a lower alkyl; R5 and R6 are each H, a lower alkyl; R is H, a 1-18C alkyl, a 2-18C alkyl substituted by one or more OH, a 3-18C alkenyl, a 2-18C acyl, benzyl, benzoyl, carboxyl, alkal...  
JPH0320376B2  
JPH0319215B2  
JPH0358922A
PURPOSE: To obtain a blood glucose-lowering agent for or an agent for treating a patient afflicted with diabetes mellitus that contains a therapeutically effective glucose-lowering amount of 4,4'-bis(2,6-di-tert-butylphneol). CONSTITUTIO...  
JPH0356438A
NEW MATERIAL: A 2-halogeno-3-phenoxy-1,4-naphthoquinone derivative of formula I (wherein R1-R5 is each H, halogen, cyano, nitro, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio, alkylsulfonyl, alkylsulfinyl, halogenoalkylthio, ar...  
JPH038327B2  
JPH0327342A
PURPOSE: To obtain shikonin having high purity and useful as a raw material for pharmacenticals, etc., in high yield by adding an alkaline aqueous solution to an extract of shikonin ester extracted with an organic solvent, hydrolyzing th...  
JPH036157B2  
JPH037244A
NEW MATERIAL:A WS1128 substance of the formula (R is propyl, butyl, 3- methyulbutyl or pentyl) and a medically acceptable salt thereof. USE: A drug having an antibacterial activity and an antitumor activity. PREPARATION: A strain belongi...  
JPH032133B2  
JPH032390A
PURPOSE:To efficiently obtain a 5,8-dimethoxy-1,4-naphthoquinone derivative by using an electrolyte consisting of a mixed solvent of an org. solvent and water to electrolytically oxidize a 1,4,5,8-tetramethoxynaphthalene derivative shown...  
JPH02300146A
PURPOSE: To obtain the title compound useful as an intermediate for synthesizing drugs such as vitamin E by the use of small amounts of reagents sold on the market at high reaction rate in high yield by oxidizing 2,3,6-trimethylphenol wi...  
JPH02295944A
PURPOSE: To obtain qunizarin useful as an intermediate for dye industry readily in high yield and in high purity by reacting p-chlorophenyl with phthalic anhydride in specific fuming sulfuric acid in the presence of boric anhydride or bo...  
JPH02292234A
NEW MATERIAL:Diterpene quinone of the formula. USE: Useful as an aldose reductase inhibitor. Active for the prevention or treatment of diabetic complications caused by the aldose reductase, such as angiophathy, retinopathy, diabetic cata...  
JPH02290826A
NEW MATERIAL:Prenylquinone and hydroquinone derivatives expressed by formula I (X is formula II or formula III; R is H, 2 to 8C aliphatic acyl, hydroxy, 1 to 4C alkoxy, 1 to 4C alkyl, 2 to 8C aliphatic acyloxy, aroyl or heterocyclic acyl...  
JPH02289531A
NEW MATERIAL:An UCN-1028D derivative of formula I [R is H, formula II [Y is C=O, C(=O)O, C(=O)NH, SO2; n is 0-4; Z is O, NH or single bond; R1 is aryl or heterocyclic ring; X1 is H, OR2 (R2 is H, alkyl, etc.), etc.], -Y-R6 (R6 is alkyl, ...  
JPH02289532A
NEW MATERIAL:TAN-1085 of the formula (R is rhodinosyl or H) or an aglycone thereof. USE: An arterialization inhibitor. An aromatase inhibitor. A strong small molecule. Useful for breast cancers, endometritis, corpus uteri cancers, ovariu...  
JPH02279652A
PURPOSE: To obtain a compd. useful as a synthetic intermediate of vitamin E in good yield by oxidizing a trimethylphenol by gaseous oxygen in the presence of a catalyst containing copper halide. CONSTITUTION: A trimethylphenol is reacted...  
JPH0253032B2  
JPH0252670B2  
JPH02270839A
PURPOSE: To advantageously produce the subject compound by oxidizing 2,3,6- trimethylphenol with oxygen or an oxygen-containing gas in the presence of copper chloride as a catalyst in a solvent containing a specific polyethylene glycol a...  
JPH02268132A
PURPOSE: To obtain the title substance in fast reaction rate and good yield by oxidizing 2,3,6-trimethylphenol with oxygen using copper chloride and Co compound as a catalyst in a solvent containing a polyethylene glycol alkyl ether. CON...  
JPH0249777B2  
JPH02264739A
PURPOSE: To obtain the objective substance in high yield by using a lower aliphatic alcohol, etc., having a high branching degree as a solvent in oxidizing 2,3,6-trimethylphenol with oxygen in the presence of a catalyst consisting of a c...  
JPH02264737A
PURPOSE: To provide a novel, optically transparent, isotropic molded part which is free of orientation birefringence and consists of a mixture of a polyphenylene ether, a vinylaromatic polymer and a trace of a novel diphenoquinone deriv....  
JPH0247975B2  
JPH02256641A
PURPOSE: To obtain an oxidation product easily in a high yield by a method in which benzyl alcohol is oxidized in a liquid medium by the use of a high activity catalyst of a metalloporphyrine and a specified oxidizing agent while control...  
JPH02255637A
PURPOSE: To obtain in high purity and in high yield the title compound useful as e.g. a sensitizer for photosensitive resins by dehydrating ring closure reaction of a 2-(4-alkylbenzoyl)benzoic acid with fuming sulfuric acid in a continuo...  
JPH0245612B2  
JPH0244447B2  
JPH0242818B2  
JPH0242817B2  
JPH02235836A
NEW MATERIAL: Cyclic ketone compds. of formulae I and II (wherein S is H, alkyl, or alkoxy; R* is a group of formula III; R1 is CH3 and R2 is 2C or higher alkyl or R1 is 1-4C alkyl and R2 is aryl, heteroaryl, CH2OR', CH2N<, CH2SR", or CH...  
JPH0237903B2  
JPH02212421A
PURPOSE: To obtain a remedy for dementia, containing at least one of vitamin B6, lecithin and vitamin B12 and coenzyme Q10 as active ingredients and useful for Alzheimer type dementia without any side effects. CONSTITUTION: A remedy for ...  
JPH02209841A
PURPOSE: To obtain the subject compound useful as an intermediate for synthesis of medicines such as vitamin E at an improved reaction rate in a high yield by oxidizing 2,3,6-trimethylphenol with, oxygen in the presence of a catalyst com...  

Matches 951 - 1,000 out of 2,174