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JPH10279589A |
To obtain the subject new compound comprising an α (2-6) sialylated galactoside block and used for preparation of sialyloligosaccharide useful as an antigen having immunogenicity for preparation of antibody, an immunoadsorbent, etc., as...
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JP2810034B2 |
The present invention provides a process for preparing lactone intermediates to 2',2'-difluoronucleosides whereby reversion back to the lactone's open chain precursor is minimized and the desired erythro enantiomer can be selectively iso...
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JP2805490B2 |
Sialic acid binding proteins, sialic acid-binding peptides and sialic acid containing oligosaccharides that are effective components of a baterial enterotoxin neutralizer according to the present invention all interfere with the binding ...
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JPH10259140A |
To obtain the subject inhibitor useful for treatment of dyscrasia, septicemia, multiple organ failure, etc., by including anti-selektin antibody or sugar binding with the selektin. The objective preparation is obtained by formulating ant...
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JPH10251137A |
To obtain a preparation having an excellent inhibitor activity against photosensitivity especially when administered externally (percutaneously), by including a specific compound having an immunosuppressive activity as the active ingredi...
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JP2791419B2 |
This invention relates to novel N-derivatives of 1-deoxy-nojirimyoin, to the processes for their preparation and to their end-use applications, particularly as to their use in the treatment of diabetes.
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JP2784230B2 |
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JP2781140B2 |
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JP2779156B2 |
Process for the oxidation of aldoses and particularly of glucose into the corresponding aldonic acids, wherein oxidation is carried out in an alkaline medium by means of an oxygen-containing gas, in the presence of a catalyst obtained by...
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JP2777359B2 |
The present invention provides a process for preparing lactone intermediates to 2',2'-difluoronucleosides whereby reversion back to the lactone's open chain precursor is minimized and the desired erythro enantiomer can be selectively iso...
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JP2774285B2 |
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JPH10506612A |
PCT No. PCT/EP95/02780 Sec. 371 Date Jan. 15, 1997 Sec. 102(e) Date Jan. 15, 1997 PCT Filed Jul. 14, 1995 PCT Pub. No. WO96/02550 PCT Pub. Date Feb. 1, 1996The invention describes 7-O-carbamoyl heptose derivatives of general formula (I) ...
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JP2747967B2 |
An amorphous sialic acid powder is disclosed. It is prepared by rapidly freezing an aqueous solution of sialic acids and freeze-drying the frozen product. It has a melting point of 131 DEG -136 DEG C. (decomposed) and exhibits no peaks i...
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JP2738540B2 |
The present invention provides a process for preparing lactone intermediates to 2',2'-difluoronucleosides whereby reversion back to the lactone's open chain precursor is minimized and the desired erythro enantiomer can be selectively iso...
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JPH1081693A |
To enable efficient production of ribulose or xylulose which are useful in the food industry by brining an aqueous solution of 2-ketoaldonic acid and nickel salt into contact with a resin bearing vinyl pyridine groups. A nickel salt such...
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JPH1067629A |
To obtain a new alkyl 2-acetamido-2-deoxyglucopyranosidouronic acid and its derivative suitable for preventing and treating the aging of skin and useful as the cleansing surfactant or emulsifier of a cleaning agent for cosmetics. An alky...
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JPH1060475A |
To produce the subject compounds useful as a surfactant, e.g. the one for cleaning a window, a floor and an electronic part by grafting a fluoroalkyl chain onto a glycosiduronic acid. This compound is represented by formulas I and II [R1...
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JP2717050B2 |
PURPOSE: To obtain a new compound having allelopathy, promoting growth of lower embryonic axis of plants and simultaneously promoting growth of the root at a low concentration, but suppressing the growth at a high concentration and usefu...
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JPH1045604A |
To obtain an inhibitor of a synthesis of HSP47 (heat shock protein) including an aloin derivative capable of specifically inhibiting the synthesis of the heat shock protein in a tissue cell in a morbid state having 47k dalton molecular w...
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JPH1036271A |
To obtain the subject synthetic suppressant capable of suppressing the synthesis of heat shock protein in cells and curing diseases such as cancer and multiple sclerosis by containing a specific aloin derivative as an active ingredient. ...
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JPH09296004A |
To provide a preparation method of a novel and potent nontoxic LPS(lipopolysaccharide) effective for the prevention of endotoxemia or septicemia. A bacterium of Acidphillum genus having an auxiliary MTCC1979 is grown under a standard con...
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JP2675074B2 |
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JPH09511225A |
The design and synthesis of novel oxazolone-derived molecular modules and the use of the modules in the construction of new molecules and fabricated materials is disclosed. The new molecules and fabricated materials are molecular recogni...
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JPH09278786A |
To obtain the subject reaction augmenting agent giving a reagent composition capable of performing a highly sensitive hemoglobin measurement by using pectin, galactulonic acid, an oligo-galactulonic acid, etc., for augmenting the reactio...
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JPH09509664A |
Novel azide groups containing sialosides and a process for their preparation is provided. The methods and resulting compounds may be of pharmaceutical interest for the inhibition of the influenza virus neuraminidase.
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JPH09241167A |
To produce a new antibiotic substance capable of effectively controlling the aflatoxin contamination, and provide medicinal uses thereof, and a method for producing the antibiotic substance. This antibiotic substance aflastatin A is repr...
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JPH09235291A |
To obtain a compound useful as e.g. a builder for detergent compositions by alkaline oxidation of a primary alcohol functional group-bearing saccharide at a specific concentration in an aqueous medium with a hypohalite in the presence of...
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JP2640770B2 |
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JPH09194377A |
To obtain a nephropathia suppressing agent containing gluconic acid (salt) as an active ingredient, effectively suppressing the calcification and the functional disturbance of a kidney, and useful for the prevention and treatment of hype...
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JPH09194378A |
To obtain a safe also stable dermal ulcer treating agent containing an alginic acid oligosaccharide (salt) as an active ingredient, effective for such dermal ulcer as a trauma, a bed sore, a burn, a surgical wound, etc., not having any a...
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JPH09183738A |
To produce a carboxylic acid oxidized to ≥2 oxidation number from a carbohydrate, its derivative or a primary alcohol. A carbohydrate, its derivative or a primary alcohol or the carbohydrate, its derivative or primary alcohol oxidized ...
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JPH09143190A |
To obtain a reaction reagent giving an aryl C-glycosyl compound in high yield and excellent β-configuration selectivity by compounding a Lewis acid with a silver or mercury salt of trifluoromethanesulfonic acid or trifluoroacetic acid. ...
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JP2610646B2 |
Novel biologically active glycopeptides of the formula Sacch - A - B - R in which Sacch represents a monosaccharide radical in which the OH groups are optionally partially or completely substituted, A represents the radical of a neutral ...
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JPH09124679A |
To obtain a new saccharide simulated substance as a simulated substance of tetra-saccharide sialkyl-Lewis-X and sialyl-Lewis-A having a specific structure, showing inhibitory action on cell adhesion, as a secretin antagonist, useful as a...
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JPH09107988A |
To provide the subject production system suitable for the mass production of mono- and oligogalacturonic acids, improved in labor saving and efficiency by automation. Using pectin and pectic acid powder as feedstock, a solution is automa...
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JPH09503517A |
Mixed chain alkyl (alkyl glycosid) uronates as nonionic surfactants are disclosed.
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JP2596509B2 |
PURPOSE: To obtain a new compound, capable of enhancing the mineral absorbability by the oral administration and useful for preventing or treating osteoporosis or other osteopathies and maintaining and controlling the human or animal hea...
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JP2596548B2 |
Process for the selective oxidation of di-, tri-, oligo- and polysaccharides comprising a reducing terminal function of the aldose type into polyhydroxycarboxylic acids, wherein the oxidation is carried out in an alkaline medium by means...
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JP2575781B2 |
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JP2573594B2 |
This invention relates to novel derivatives of N-acetyl-3-fluoro-neurminic acid derivatives (I) and preparation thereof. The compound (I) can be synthesized by reacting a solution of alkyl 5-acetamido-2,6-anhydro-4,7,8,9-tetra-O-acetyl-2...
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JPH08301769A |
PURPOSE: To obtain the subject medicinal agent containing, as active ingredient, oligogalacturonic acrid or a salt thereof, industrially useful because of being capable of its mass production at low cost, also safe to human health, free ...
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JPH08509701A |
In the method proposed for the production of monocarboxylic acids from carbohydrates, carbohydrate derivatives or primary alcohols, the carbohydrates, carbohydrate derivatives or primary alcohols are oxidized continuously in aqueous solu...
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JP2540400B2 |
The present invention relates to a L-talopyranoside derivative of the formula (I): (I) wherein, A is hydrogen atom, a lower alkyl group having 1 to 5 carbon atoms, or a hydroxyl-protecting group; B1 and B2, the same or different from eac...
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JPH08245399A |
PURPOSE: To obtain the subject preventing agent containing an oligo-galacturonic acid (salt) as an active ingredient and used for adding and blending with medicines, nutritional supplementary foods and various substrates of containers fo...
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JP2517293B2 |
A repairing agent for cells and tissues is disclosed, which agent comprises, as an active ingredient, a compound of the general formula: wherein Z represents lithium, potassium, sodium, ammonium or an organic ammonium when n is 1, and Z ...
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JP2510454B2 |
PURPOSE: To provide an org. synthesizing method to constitute fractions of acid mucopolysaccharides or to synthesize oligosaccharides. CONSTITUTION: The oligosaccharide consists of chains a-b, a-c or chains of two component units of (A-U...
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JPH0899988A |
PURPOSE: To industrially and advantageously obtain the subject oligosaccharide useful for medicines, functional foods, reagents for research, etc., by extracting an oligosaccharide containing sialic acids from a defatted egg yolk of an a...
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JPH08502953A |
Provided are new derivatives of neuraminic acid of formula (I), where Ac represents an acyl residue of an aliphatic, araliphatic, aromatic, alicyclic, or heterocyclic carboxylic acid, including carboxylic amides, their 2-hydrocarbyl-glyc...
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JPH0870882A |
PURPOSE: To provide a method of producing sialic acid of more than 98% purity in relatively low costs. CONSTITUTION: Cell bodies of a microorganism are utilized to effect the fermentation production of colominic acid. Then, the fermentat...
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JPH0826056B2 |
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