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JPS6156192A |
It is disclosed that L-fructose can be produced in high yield from L-sorbose. The process involves the inversion of the hydroxyl groups on carbon atoms C3 and C4 of L-sorbose to produce L-fructose. This inversion can be accomplished in s...
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JPS616836B2 |
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JPS6140297A |
NEW MATERIAL:3'-Fluoro-3'-deoxykanamycin A of formula I or its salt. USE: An antibacterial agent against kanamycin-sensitive bacteria and kanamycin- resistant bacterial. PREPARATION: The compound of formula I can be prepared e.g. by cond...
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JPS6136293A |
A chemical process for preparing 2-β-D-ribofuranosylse- lenazole-4-carboxamide, comprises the steps of:a) reacting 2,3,5-tri-O-benzoyl-β-D-ribofuranosyl-1-carbonitrile with gaseous hydrogen selenide, preferably in a 1:1 to 1:1.5 molar ...
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JPS6112623A |
PURPOSE: To provide the titled inhibiting agent containing benzaldehyde or 4,6-O- benzylidene-D-glucose as active component, effective to specifically suppressing encephalinase, and useful as an analgesic especially for carcinomatous pai...
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JPS60252419A |
PURPOSE: To provide an anthelmintic for animal, containing a specific spiro- cyclic orthoester compound as an active component, and having remarkable anthelmintic effect to domestic animal and fowl. CONSTITUTION: The objective anthelmint...
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JPS6049639B2 |
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JPS6046189B2 |
Diacetone-2-ketogulonic acid is prepared by electrochemical oxidation of diacetone-sorbose in an aqueous alkaline medium in the presence of 0.001 to 1% of surfactant.
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JPS60185719A |
PURPOSE: An antitumor agent that contains, as an active ingredient, staurosporine, thus showing marked and specific inhibition against the growth of human neuroblastoma cells, human cervical carcinoma cell and human leukemia cells, espec...
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JPS6033824B2 |
To separate the racemate (R,S)-cysteine, the racemate is condensed in an inert solvent with an enantiomerically enantiomeric monosaccharide of the group of aldoses having 4 to 7 carbon atoms to form the corresponding 2-substituted thiazo...
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JPS6029718B2 |
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JPS6072895A |
PURPOSE: To produce a ketal such as 2-ketogulonic acid, etc. useful as a synthetic intermediate of vitamin C, economically, in an industrial scale, by reacting 2-ketogulonic acid (ester) with a ketone in the presence of a ketalization ca...
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JPS6069092A |
PURPOSE: To obtain industrially and advantageously a sugar ketal useful for protecting OH and a synthetic intermediate, by reacting a sugar with a ketone in the presence of antimony pentachloride or pentafluoride. CONSTITUTION: A sugar, ...
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JPS6069091A |
PURPOSE: To obtain the titled compound as a synthetic intermediate for vitamin C in high yield, by reacting glucuronic acid or glucurono-6,3-lactone with a ketone in the presence of hydrogen iodide, antimony pentachloride or pentafluorid...
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JPS6011720B2 |
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JPS602302B2 |
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JPS5929072B2 |
N,N-difluoroamines are prepared by fluorination of compounds containing a >C=N- bond using molecular fluorine or a hypofluorite in which the fluoroxy group is bonded to an inert electron attracting group, such hypofluorites including flu...
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JPS59116287A |
The present invention provides a novel process for preparing known prostaglandins, particularly 9-deoxo-9-methylene-16,16-dimethyl-PGE2. This well known and useful prostaglandin is prepared from D-glucose through a series of efficient re...
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JPS59112996A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS5953496A |
5-Deoxy-3-0-arylmethyl or substituted arylmethyl-1,2-0-alkylidene-a-D-xylofuranose and 5-C-alkyl and alkenyl derivatives thereof. The compounds are useful as herbicides and plant growth regulators.
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JPS5911600B2 |
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JPS5911597B2 |
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JPS5942394A |
NEW MATERIAL:The compound of formula I [R1 is alkyl(thio), alkoxy, or alkylsulfonyl; R2 is H, OH, alkoxy, lower alkanoyloxy, etc.; R3 is (protected) OH; R4 is lower alkoxy or lower cycloaliphatic-oxy substituted with ≥2 (protected) OH ...
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JPS5929684A |
PURPOSE: To obtain the titled compound useful as a precursor for amino sugar in a short process, by reacting a 2,3-alkylidene-dioxybutanal with hydroxylamine hydrochloride in the presence of a base, dehydrating it. CONSTITUTION: A 2,3-al...
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JPS58203999A |
PURPOSE: To prepare a glucose compound useful as a drug, in high yield, by reacting dialkoxymethylbenzene, etc. with D-glucono-δ-lactone, and reducing the resultant 4,6-O-benzylidene-D-glucono-δ-lactone. CONSTITUTION: The objective 4,6...
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JPS58167583A |
PURPOSE: The reaction of a saccharide with a ketone is carried out in the presence of a combination of hydrogen halide and a small amount of copper, iron or their oxides, hydroxide or salts to produce a saccharide ketal used as a synthet...
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JPS5831358B2 |
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JPS5855494A |
PURPOSE: To obtain the titled compound useful as a synthetic intermediate, etc. industrially advantageously without requiring complicated after-treatment with suppressing side reactions such as self condensation of ketone, etc., by react...
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JPS57200381A |
The invention concerns new xylite derivatives, methods for the production of these compounds as well as compositions containing them having growth regulatory activity for plants.
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JPS57193495A |
NEW MATERIAL:The compound of formulaI(R is lower alkyl; X1 and X2 are H or OH-protecting group). EXAMPLE: The compound of formula II. USE: Synthetic intermediate of pharmaceuticals having carcinostatic activity, etc. PROCESS: The compoun...
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JPS57175197A |
NEW MATERIAL:The compound of formula (M is potassium or sodium). USE: Antidote. PROCESS: For example, L-cysteine, D-glucuronolactone and sodium bicarbonate are dissolved in water, and the reaction occurs evolving carbon dioxide gas. The ...
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JPS57102237A |
A process is provided for separating and recovering solid, metal catalysts from reaction mixtures in which they are dispersed, with cross-flow filtration using membrane separation devices. The process is particularly useful for separatin...
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JPS5643475B2 |
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JPS5643474B2 |
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JPS5643473B2 |
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JPS5643478B2 |
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JPS5642279B2 |
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JPS5638598B2 |
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JPS5695117A |
PURPOSE: A drug composition having an analgesic, antipyretic and anti-inflammatory actions without a disorder action on digestive organs, and containing 1,2- O-isopropylidene-3,5-O-benzylidene-6-O-methyl-α-D-glucofura
nose as a main con...
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JPS5626400B2 |
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JPS5625232B2 |
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JPS5619877B2 |
1497409 Treating metastatic cancers STRATEGIC MEDICAL RESEARCH CORP 13 Dec 1974 [14 Dec 1973] 17502/77 Divided out of 1497406 Heading A5B Metastatic cancers in warm blooded animals other than a human are therapeutically treated by admini...
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JPS56500299A |
There are disclosed novel heterocyclic anthracycline compounds having antitumor activity against murine P388 leukemia in mice, processes for preparing the novel compounds and pharmaceutical compositions containing them. The novel compoun...
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JPS563357B2 |
The invention relates to a process in which a 3,5:4,6-protected derivative of L- or D-glulonic acid is prepared by contecting L- or D-gulono-1,4-lactone with an aldehyde dialkyl acetal, or with an aldehyde and an alcohol, in the presence...
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JPS5549159B2 |
Electrode arrangement for electrochemical cells. A deformable sandwich structure (working electrode, insulator, secondary electrode, insulator) forms a primary electrode arrangement. A three-dimensional structure can be formed by rolling...
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JPS5543509B2 |
Electrode arrangement for electrochemical cells. A deformable sandwich structure (working electrode, insulator, secondary electrode, insulator) forms a primary electrode arrangement. A three-dimensional structure can be formed by rolling...
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JPS55139398A |
Novel sugar acetals such as those of formula (I) where Ra is hydrocarbyl; Rb and Rc are hydrogen or hydrocarbyl; R3'R4' and R6' are hydrogen or R4' with R3' or R6' is are made from 1,4-linked reducing disaccharides by a new exchange acet...
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JPS55500441A |
Novel arabinofuranosyl nucleosides and nucleotides having 2'-azido, 2'-amino, or 2'-hydrocarbylamino substituents, which have antitumor, antiviral, and antimicrobial properties, are prepared by condensation of a pyrimidine, purine, or 1,...
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JPS55500336A |
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JPS558514B2 |
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