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JP03209374 |
PURPOSE: To obtain a microbicidal and plant growth regulating chemical containing anthracenedione derivatives. CONSTITUTION: A microbicidal and plant growth regulating chemical containing compounds of formula I [A-D are each O, NR1, CR1R...
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JP03209343 |
NEW MATERIAL: A compd. of formula I (X is H, OH; one of R, R1 is H and the other is F; R2 is H, OH, alkoxy). EXAMPLE: 2β-acetyl2α,4α,5,12tetrahydroxy3β-fluoro1,2,3,4tetrahydr
o6,11 nephthacenedione. USE: A intermediates for novel ant...
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JP03188042 |
NEW MATERIAL:A compound expressed by formula I {A is formula II, formula III [R3 to R5 are H, alkyl or alkoxy; X and Y are OH or formula IV (n is 0 or 1; R6 is alkyl)]; R1 is alkyl, cycloalkyl, alkenyl, alkynyl, arylalkyl, (CH2)1-10-CN, ...
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JP03176427 |
PURPOSE: To obtain the subject compounds in good yields, by reacting an aromatic or heteroaromatic amine with a nitrosyl polyfluoro salt and decomposing the product in situ. CONSTITUTION: A corresponding aromatic or heteroaromatic amine ...
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JP03176454 |
PURPOSE: To obtain a high purity shikonin in high yield by dissolving unpurified shikonin in an organic solvent under heating, absorbing impurities contained in the solution on an inorganic absorbent and separating the solution from the ...
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JP03163072 |
PURPOSE: To obtain the subject compound useful as a raw material of 2- hydroxy-1,4-naphthoquinone with suppressing side reaction and keeping reaction rate in high level by reacting 1,4-naphthoquinone and hydrogen peroxide in a reaction s...
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JP03151343 |
PURPOSE: To obtain the subject compound with high purity in high yield for a short reaction time, by reacting phthalic anhydride with a phenol derivative in the presence of a Lewis acid catalyst and an optional diluent in an automatic cl...
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JP03137164 |
NEW MATERIAL:The compound of formula I {R is H, 1-7C (alkoxy-substituted) alkyl, 1-7C (alkoxy-substituted) alkoxy, 1-7C alkylthio, 1-7C alkyl-substituted phenyl, benzyl, phenoxy, phenylthio, benzyloxy, halogen or -N(R1)R2 [R1 and R2 are ...
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JP03120236 |
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 ...
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JP03109388 |
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...
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JP03099075 |
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...
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JP03086841 |
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...
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JP03081248 |
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...
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JP03081246 |
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...
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JP03081249 |
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...
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JP03081247 |
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...
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JP03074326 |
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...
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JP03072444 |
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...
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JP03063240 |
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...
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JP03056438 |
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...
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JP03027342 |
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...
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JP03007244 |
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...
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JP02300146 |
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...
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JP02295944 |
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...
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JP02292234 |
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...
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JP02290826 |
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...
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JP02289531 |
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, ...
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JP02289532 |
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...
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JP02279652 |
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...
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JP02270839 |
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...
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JP02268132 |
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...
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JP02264739 |
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...
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JP02264737 |
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....
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JP02256641 |
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...
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JP02255637 |
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...
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JP02235836 |
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...
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JP02212421 |
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 ...
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JP02209841 |
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...
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JP02207060 |
PURPOSE: To obtain the title compound with a high conversion efficiency by treating a dihydroxyphenyl compound with an alkali. CONSTITUTION: The alkaline treatment of a dihydroxyphenyl compound such as DOPA, dopamine, or norepinephrine g...
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JP02200655 |
NEW MATERIAL:UCT-1003 expressed by the formula having the following physicochemical properties. Molecular formula, C18H10O7; molecular weight, 338; melting point, gradually blackened and exhibiting no apparent melting point; solubility t...
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JP02188968 |
PURPOSE: To realize a semiconductor device having a quantum fine wire structure by making the device to have a semiconductor layer formed on insulating substrates, thermally oxidized film 6 formed on the semiconductor layer, and gate ele...
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JP02188523 |
PURPOSE: To obtain a pharmaceutical composition, containing ubidecarenone as an active ingredient and useful for treating apnea in sleeping. CONSTITUTION: The objective substance obtained by using ubidecarenone which is a lipid present i...
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JP02174744 |
PURPOSE: To provide the subject compound useful as a raw material for synthetic vitamin E, etc., in one step and in a high yield without requiring the circulation of a large amount of a catalyst by oxidizing 2,3,5-trimethylphenol with ox...
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JP02164840 |
PURPOSE: To obtain the subject compd. useful for producing 7-O- glycosylrhodomycin in good yield by a simple method wherein a specific protective group is introduced into unprotected rhodomycinone aglicon to selectively alkylate a phenol...
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JP02152943 |
NEW MATERIAL:A compound of formula I [X is SO2, CO or CH2; when X is SO2, Y is methyl capable of having halogen, when X is CO, Y is methyl having a substituent (halogen, phenyl capable of having halogen or phenoxy capable of having a sub...
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JP02149515 |
PURPOSE: To obtain the title inhibitor which is useful in treatment for a variety of complications in diabetes such as cataract, retinopathy, neurotic disorder or gastric disorder by using a specific compound included in KETSUMEISHI (Cas...
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JP02138146 |
PURPOSE: To produce the subject compound in high yield under mild condition using an extremely simple and safe process by oxidizing a methoxy-substituted benzene compound using hydrogen peroxide as oxidizing agent and formic acid as a so...
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JP02108645 |
PURPOSE: To carry out conversion in good yield in a simple process by converting quinone into hydroquinone using a hydrogen type cation exchanger and oxidizing the hydroquinone into the quinone using a sodium type cation exchanger. CONST...
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JP02091037 |
PURPOSE: To provide a therapeutic agent of a Pneumocystis carinii infections in a mammal containing naphthoquinones such as 2-(4-t-butylcyclohexy)-3- hydroxy-1,4-naphthoquinones as an active component. CONSTITUTION: A pharmaceutical comp...
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JP02083351 |
NEW MATERIAL:Benanomicin C expressed by formula. USE: An α-glucosidase inhibitor useful as an antiobese agent. PREPARATION: The compound of formula can be separated form the cultured product of a benanomicin C-producing strain belonging...
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