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JPH09502355A |
Novel antibiotic compounds being tricyclic sesquiterpenes of formula (I) and derivatives thereof are described, wherein R<1>, R<2>, R<3>, R<4> and R<5> independently are the same or different substituents chosen from the group comprising...
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JPH0967286A |
To obtain new derivatives which are condensed polycyclic monomers useful as functional high molecular monomers and as raw materials for medicines and perfumes. These derivatives are expressed by formulae I to III and are obtained by reac...
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JPH0967285A |
To obtain the subject perorally adminstrable compound having proliferation inhibiting action on blood smooth muscle cells, high in activity and useful for preventing and treating restenosis after percutaneous coronary angioplasty. A comp...
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JP2585737B2 |
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JPH0940642A |
To obtain at low cost high-purity -caprolactam, from cyclohexene as the starting material, by controlling the concentrations of the indanes in the cyclohexanol to be subjected to dehydrogenation to a specified level or lower. First, cycl...
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JP2577941B2 |
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JPH0930999A |
To carry out hydration reaction of an olefin while remarkably suppressing the lowering of the catalytic activity. This olefin hydration process comprises a hydration step to hydrate an olefin in the presence of a zeolite catalyst, a remo...
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JPH0931001A |
To stably obtain cyclohexanol in high purity through efficiently removing by-products by separating cyclohexene from a specific reaction mixture by extractive distillation followed by hydration of the cyclohexene to obtain a reaction pro...
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JP2576419B2 |
PURPOSE: To obtain a trans isomer of a phenylcyclohexane compound in a high synthetic efficiency from both economical and chemical points of view by utilizing the optical isomerization reaction from the cis to the trans isomer of the com...
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JPH0925209A |
To obtain a skin preparation for external use suppressing generation of melanin and effective for preventing and improving of chromatosis after sunburn, spot, freckle, chloasma, etc., by mixing a specific compound obtained by extracting ...
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JPH0920701A |
To carry out a hydration reaction of an olefin while the deactivation of the catalyst is markedly restrained. In the olefin hydration process comprising the hydration procedure which an olefin is hydrated, the removal procedure where the...
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JPH0920706A |
To efficiently produce cycloalkanol by hydrating a cycloalkene using a specific gallosilicate as a catalyst. (A) A cycloalkene preferably having a 5-8 membered ring is hydrated using (B) a gallosilicate having a half-width of ≤5,000Hz,...
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JPH0912493A |
PURPOSE: To completely recover a catalytic activity of zeolite and highly keep a catalytic activity by reactivating the zeolite lowered in its catalytic activity, pulled out from a reaction zone using a specific method after carrying out...
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JPH08333289A |
To readily separate a cyclic alkanediol or polyol from a linear alkanediol or polyol by distillation by bringing the mixture of the cyclic alkanediol or polyol and the linear alkanediol or polyol into contact with an acidic resin so as t...
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JPH08332095A |
PURPOSE: To efficiently produce an optically active inden-l-ol useful as an intermediate, etc., for an inhibitor of HIV-1 proteases for treating AIDS by hydrolyzing a racemic 1-acyloxyindene in the presence of a lipase. CONSTITUTION: A r...
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JP2562205B2 |
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JP2562641B2 |
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JP2562150B2 |
Cyclohexyl hydroperoxide containing reaction mixtures obtained by oxidation of cyclohexane with molecular oxygen or molecular oxygen containing gases in the liquid phase at from 130 DEG to 200 DEG C. and under from 5 to 125 bar are worke...
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JPH08322590A |
PURPOSE: To efficiently obtain the subject compound useful as an auxiliary agent for asymmetric reactions by subjecting the racemic trans-2-(1-naphthyl) cyclohexan-1-ol derivative to an ester interchange reaction in the presence of an ac...
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JPH08325167A |
To obtain a reagent having an alkoxyl group having an unsaturated group at the β-position, e.g. propargyl, benzyl or allyl group and useful for cleaving an unsaturated alkoyloxycarbonyl functional group. (A) A reagent comprising (I) an ...
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JPH08325211A |
PURPOSE: To efficiently obtain an indene derivative expressed by a specific formula and useful as a synthetic intermediate for CD ring part in simple synthesis of 1α,25-dihydroxyvitamine D3 in a short process. CONSTITUTION: This derivat...
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JP2561354B2 |
Derivatives of benzocycloalkenyldihydroxyalkanoic acids, inhibitors of HMG CoA reductase, antagonists of thromoboxane A2 receptors and antifungals, denoted by the formula I 1 in which X=CH2, O or S; R1 and R2, identical or different, =H,...
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JP2558051B2 |
PURPOSE: To provide the subject reagent having excellent selectivity and useful for peptide synthesis or the like comprising an aqueous phase, a specific catalyst and a nucelophilic compound soluble in water, which cleaves unsaturated al...
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JPH08310984A |
To obtain d.l-menthol useful as perfume. etc., in high yield while producing little unusable by-product such as undesirable hydrocarbons by using a specific formed material acting as a catalyst free from supporting material. d,l-menthols...
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JPH08310983A |
To obtain the subject compound useful as perfume, etc., using a reprocessable catalyst having long catalytic life by using a specific fixed bed catalyst tree from supporting material, thereby increasing the treating amount per unit amoun...
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JPH08311075A |
To obtain a new boric acid ester presenting the favorable adherence and long-lasting effect of the fragrant substance formed by hydrolysis thereof proceeding at a moderate rate, therefore usable as a fragrant or deodorant or the like, by...
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JP2556347B2 |
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JPH08511023A |
A method of inhibiting viruses in which a virus is contacted with diamondoid alcohol, ketone, ketone derivative, adamantyl amino acid, quaternary salt or combinations thereof which have antiviral properties. These diamondoid derivatives ...
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JP2553609B2 |
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JPH08295664A |
To obtain a new cyclohexane compound that has strong angiogenesis inhibitory action with low toxicity and is useful as a carcinostatic agent, for diabetic retinopathy. This compound is represented by formula I {R is formula II (R3 is H, ...
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JPH08291095A |
PURPOSE: To industrially and inexpensively obtain and subject compound by reacting trans (±)-2-bromoidan-1-ol with an ester by using a lipase, preferentially esterifying trans (-)-2-bromoindan-1-ol, separating trans (-)-2-bromoindan-1-o...
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JP2549158B2 |
Process for preparing unsaturated alcohols by hydrogenation in a homogeneous medium of the corresponding unsaturated carbonyl compounds in the presence of a catalyst chosen from among ruthenium hydrides and derivatives complexed with a l...
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JPH08266293A |
PURPOSE: To inexpensively obtain 1-indanol useful as a raw material, etc., for medicines, agrochemicals, perfumes, etc., in high safety and industrial scale by reacting indane with a microorganism belonging to the genus Bacillus to carry...
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JP2542667B2 |
Process for the preparation of compounds of the formula in which R<1> denotes hydroxyl or an etherified hydroxyl group, and of zeaxanthine, characterised in that a compound of the formula in which R<1> has the above meaning, is converted...
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JP2542843B2 |
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JPH08259480A |
PURPOSE: To obtain the subject new compound useful for efficiently separating and recovering a long-chain alkyl alcohol, capable of forming an inclusion compound by using the long-chain alkyl alcohol which has not formed an inclusion com...
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JP2540291B2 |
PURPOSE: To provide a new preparation process of vitamin A wherein a desirable stereoisomer is efficiently obtained. CONSTITUTION: Ethynyl-β-ionol is condensed with a chloroacetal of formula I (wherein n is 0 or 1; and when n=1, R is a ...
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JPH08245454A |
PURPOSE: To obtain a cyclic alcohol in high yield and in stabilized quality by catalytic hydration of a cyclic olefin in the presence of a specific zeolite catalyst excellent in hydration activity. CONSTITUTION: This cyclic alcohol is ob...
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JPH08245456A |
PURPOSE: To obtain the subject new compound useful as a monomer for functional high polymers such as highly functional epoxy resins, optical lens materials, and base materials for optical disks, or as a raw material for medicines, perfum...
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JPH08245455A |
PURPOSE: To simply and profitably produce the subject compound useful as a raw material for producing cis-1-aminoindane-2-ol used as an intermediate for an anti-HIV medicine, etc., in a good yield and at a low cost by hydrolyzing 1,2-dib...
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JPH08245453A |
PURPOSE: To obtain a cyclic alcohol in high yield and in stabilized quality by catalytic hydration of a cyclic olefin in the presence of a specific zeolite catalyst excellent in hydration activity. CONSTITUTION: This cyclic alcohol is ob...
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JP2534871B2 |
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JP2530864B2 |
The reaction mixture obtained by oxidation of cyclohexane using a cobalt catalyst is extracted with water to remove undesirable oxidation products such as diacids, hydroxy acids, and cobalt catalyst. The resulting mixture is then hydroge...
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JPH08224070A |
PURPOSE: To obtain a jelly-containing carbonated beverage improved in the refreshing touch. CONSTITUTION: The carbonated beverage contains a jelly containing menthol. Therein, the content of the menthol in the jelly is preferably 0.02-10...
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JP2526090B2 |
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JP2525127B2 |
The borane reduction of prochiral ketones to optically pure alcohols is effectively achieved by the utilization of catalytic amounts of the new and valuable oxazaborolidine catalysts of formula (I).
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JP2521695B2 |
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JPH08198789A |
PURPOSE: To obtain a carotenoid-containing extract, capable of manifesting excellent antioxidant activities derived from a natural product having high safety and useful as an antioxidant or a colorant for prescriptions corresponding to r...
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JPH08199152A |
PURPOSE: To obtain an anion chelating agent useful as a transistor having anion selective electric field effect, suitable for catching an anion in an organic solvent, capable of forming a complex with the anion, comprising a specific rep...
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JP2520461B2 |
Process for preparing unsaturated alcohols by hydrogenation of an unsaturated carbonyl compound in the presence of a catalyst consisting of a ruthenium derivative associated with a ligand which is soluble in water or a ruthenium complex ...
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