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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...
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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 (...
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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...
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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 ...
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JPH0544925B2 |
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JPH0544937B2 |
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JPH0533212B2 |
Naphthoquinone derivs. of formula (I) are new. In (I), either (a) R1 = H; and R2 = 1-6C alkoxy; aralkoxy (opt. ring substd.) 1-6C alkyl-(1-6C)alkoxy; phenyl mono- or di-substd. by halogen and/or 1-6C alkyl; halogen; or 1-6C perhaloalkyl;...
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JPH0530813B2 |
The invention relates to novel pharmaceutical compositions containing ubiquinone, particularly Coenzyme Q10, and mixtures of phospholipids having organic or vegetal origin, in weight-ratios ranging from 1/1 to 1/100,000, together with ph...
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JPH0529386B2 |
Process for the preparation of chloranil by oxidative chlorination of quinones or of hydroquinones in the presence of a water-miscible solvent and in the absence of any catalyst.
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JPH0529340B2 |
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JPH0529387B2 |
2,3-Dimethoxy-5-methylbenzoquinone is prepared by oxidizing 3,4,5-trimethoxytoluene by reaction with hydrogen peroxide in the presence of a catalyst which is a heteropolyacid selected from phosphomolybdic acids, phosphotungstic acids, si...
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JPH0529379B2 |
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JPH0529381B2 |
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JPH0529382B2 |
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JPH0529385B2 |
Process for the preparation of chloranil by oxidative chlorination of quinones or of hydroquinones with a mixture of hydrochloric acid and aqueous hydrogen peroxide, the introduction of the aqueous hydrogen peroxide taking place at a tem...
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JPH0529380B2 |
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JPH0529384B2 |
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JPH0529341B2 |
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JPH0522690B2 |
A catalyst for use in vapor phase oxidation of naphthalene into 1,4-naphthoquinone is dislosed. The catalyst which is supported on an inert carrier material is represented by the formula: (V)a(K)b(S)c(Fe)d(Sn)e(X)f(O)g where V, K, S, Fe,...
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JPH0521914B2 |
The novel complex of the formula I (I) can be produced for example by electrochemical oxidation of 2-fluoro-5,6,11,12-tetraselenotetracene in the presence of an inert organic solvent and a bromide-containing electrolyte. The novel 2-fluo...
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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...
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JPH0520420B2 |
Psoriasis in mammals is relieved by topically administering naphthalenes of the formula:wherein:R1 and R are lower alkoxy or lower alkylthio;R3 is hydrogen, lower alkyl, lower alkoxy, optionally substituted phenyl, optionally substituted...
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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...
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JPH0517165B2 |
The invention provides a process to increase the mol ratio of nuclearly hydrogenated working compound to the total working compound in a make-up solution to be added to the working solution of an operating plant in producing hydrogen per...
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JPH0516407B2 |
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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...
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JPH0514698B2 |
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JPH0514699B2 |
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JPH0514697B2 |
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JPH058179B2 |
A new process for the preparation of 6-deoxyanthracyclinones of general formula I: I wherein R represents a hydrogen atom, a hydroxy group or a lower alkoxy group is described. The process provides a total synthesis of the 6-deoxyanthrac...
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JPH056533B2 |
A quinone derivative of the formula (I): in which A is a group of the formula (IV): or a group of the formula (V): in which X and Y are either the same as or different from each other and each are hydroxy, methoxy or hydrogen; and n is a...
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JPH053864B2 |
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JPH051774B2 |
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JPH051250B2 |
1,4-Naphthoquinones of formula (I), methods for their preparation, pharmaceutical and veterinary formulations thereof and the use thereof in human and animal therapy are disclosed.Particularly preferred compounds of formula (I) are 2-(4'...
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JPH0481575B2 |
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JPH0480011B2 |
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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...
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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...
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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...
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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...
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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...
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JPH0465105B2 |
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JPH0463869B2 |
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JPH0460098B2 |
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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...
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JPH0456811B2 |
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JPH0455184B2 |
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JPH0455182B2 |
PURPOSE:To obtain advantageously the aimed compound, by reacting an organic compound with a ceric salt in the presence of a water-immiscible organic solvent and tetralin in an aqueous solution of an acid in the reaction system to prepare...
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JPH0455183B2 |
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JPH0454656B2 |
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