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7202219 Use of D-tagatose as a prebiotic food component  
Oral intake of D-tagatose in a prebiotic food induces production of butyrate and stimulates the growth of beneficial bacteria in the human colon. Therefore it is believed to be useful in food or...
7084131 Method for preparing a polydispersed saccharide composition and resulting polydispersed saccharide composition  
A method for preparing a polydispersed saccharide composition in which a fructan-containing material is dissolved in water prior to partial enzymatic treatment of the fructans.
6562600 Production of cyclic alternan tetrasaccharides from oligosaccharide substrates  
The cyclic tetrasaccharide, cyclo{-6)-α-D-Glcp-(1,3)-α-D-Glcp-(1,6)-α-D-Glcp-(1,3)-α -D-Glcp-(1-}, may be produced by alternanase hydrolysis of complex carbohydrates other than alternan....
6462191 Synthesis of 2-deoxy-2-fluoro-arabinose derivatives  
A process for deoxofluorinating a C 2 -hydroxyl group of a furanose, includes: (a) mixing the furanose and a deoxofluorinating agent in a solvent to form a reaction mixture, and (b) heating the...
6420535 6-O-carbamate ketolide derivatives  
The invention relates to a novel 6-O-carbamate ketolide compound or a pharmaceutically acceptable salt, ester, solvate or prodrug thereof, to a composition comprising the compound and a suitable...
6365732 Process for obtaining stereoisomers from biomass  
The present invention includes a process for extracting a stereoisomer fro biomass. The method comprises providing biomass and subjecting the biomass to substantially instantaneous pressurization...
6294369 L-ribose isomerase, its preparation and uses  
An L-ribose isomerase which isomerizes aldoses such as L-ribose, D-lyxose, D-talose, D-mannose, L-allose and L-gulose into their corresponding ketoses such as L-ribulose, D-xylulose, D-tagatose,...
6204378 Method for producing palatinitol  
A novel method for making palatinitol comprising a first step of epimerising isomaltose under conditions enabling a mixture of α-D-glucopyranosyl-(1➝6)-D-mannose and isomaltose to be achieved, a...
6156544 Process for the preparation of N-acetylneuraminic acid  
A method for the preparation of N-acetyl-D-neuraminic acid (NANA) N-acetyl-D-glucosamine (NAG) is described.
6140498 Process for the continuous production of high purity L-ribose  
A process of preparing a L-ribose fraction having greater than 97% purity starting from an aqueous solution of L-arabinose is provided by utilizing an epimerization reaction conducted in the...
6124443 Process for the hydrogenation of sugars  
Epimer-free sugar alcohols can be prepared from the corresponding sugars by catalytic hydrogenation with hydrogen in aqueous solution, the hydrogenation being carried out continuously at a hydrogen...
6022965 Method for isomerising the 10-methyl radical of erythromycin derivatives  
An isomerization method wherein a compound of formula ##STR1## wherein X and y together form a 3-oxo radical, or X is a hydrogen atom and Y is either a radical a ##STR2## where R 2 is OH or...
5945547 Imtermediate in process to make 2', 2'-difluoronucleosides  
The compound 2-deoxy-2,2-difluoro-D-erythro-pentofuranos-1-ulose-3,5-dibe nzoate is described and claimed.
5877311 Process for isomerization of compound of aldose structure into compound of ketose structure, and isomerization agent or accelerator used therin  
A process is provided which comprises isomerizing a compound having a ketose structure by the use of or in the presence of an organogermanium compound having a structural portion represented by...
5872247 Decarboxylation process for 2-ketoaldonic acids  
Catalytic decarboxylation process for 2-ketoaldonic acids by nickel ions characterized in that an aqueous solution of a 2-ketoaldonic acid is put in contact with a resin carrying vinylpyridine...
5859236 Process for preparation of lignin and microcellulose  
The method of the invention involves treating cellulosic vegetable matter (the "Feed Stocks") for the selective recovery of lignin (when present in the feed-stock), cellulose and hemicelluloses by:...
5856465 Compositions and methods for the synthesis of chirally pure organophosphorus nucleoside derivatives  
Methods for the stereospecific synthesis of chirally pure organophosphorus dinucleotide derivatives and nucleoside monomer synthons used in their synthesis are provided. These methods allow for...
5831075 Amino acid ester of nucleoside analogues  
A process for the preparation of an amino acid ester of a nucleoside analogue comprises reacting a nucleoside analogue having an esterifiable hydroxy group with a 2-oxa-4-aza-cycloalkane-1,3-dione....
5773606 Catalyst regeneration  
The present invention relates to the regeneration of a supported molybdenum catalyst which has been used for the epimerisation of a saccharide. The preferred epimerisation is the conversion of...
5734043 Separating agent for optical isomers  
A separating agent which, when used as the packing material for reverse-phase liquid chromatography, has excellent baseline stability in the mobile phase and an increased number of steps of the...
5686587 Intermediate for azithromycin  
A compound having formula (III). Also, a process of making azithromycin comprising reducing the compound of formula (III) and N-methylating the reduced product.
5665574 Method for preparing N-acetylneuraminic acid  
A method for preparing N-acetylneuraminic acid characterized in reacting N-acetylglucosamine with pyruvic acid in an alkaline condition by the action of N-acetylneuraminic acid lyase.
5659021 Chiral glycerol derivatives  
Enantiomerically pure glycerol derivatives, e.g. S-1,2-O-isopropylidene, S-1,2-O-benzylidene, and R-1,2-O-dibenzyl glycerol, have been prepared from 1,2R-O-protected erythritols in high yields. The...
5646258 Method of synthesizing alkyl glucosides  
A method for synthesizing alkyl glucosides by the acetalization of sugars, particularly glucose, with alcohols in excess and subsequent separation of the excess alcohol by extraction, the...
5550222 Process for producing gamma-cyclodextrin  
A process for preparing cyclooctaamylose by enzymatic reaction of starch hydrolysate with cyclodextrin glycosyltransferase in the presence of at least two complexing agents. The first is either an...
5543511 Process for the preparation of level-off DP cellulose  
Level-off DP cellulose, which can be disaggregated in aqueous suspension with the application of mechanical force to give microcrystalline cellulose, is prepared by an environmentally friendly...
5501965 Process for producing fructose 2,6-bisphosphate and purification process thereof  
This invention relates to a process for the production of fructose 2,6-bisphosphate which comprises effecting reactions among (i) fructose 6-phosphate, (ii) glucose, (iii) fructose or (iv) glucose...
5473061 Process for the treatment of cellulose  
The process for the treatment of cellulose for activation for subsequent chemical reactions by bringing the cellulose in contact with liquid ammonia at a pressure higher than atmospheric pressure...
5472860 Method for preparing N-acetylneuraminic acid by N-acetylneuraminic acid lysase at a pH of 10-12  
A method for preparing N-acetylneuraminic acid characterized in reacting N-acetylglucosamine with pyruvic acid at an alkaline pH in the presence of N-acetylneuraminic acid lyase.
5466795 Process for the manufacture of mannitol  
A process for the manufacture of mannitol in which: in a first step, a fructose syrup containing less than 15% glucose is subjected to an enzymatic isomerization using at least one enzyme capable...
5424416 Process for preparation of 2-deoxy-2,2-difluoro-D-ribofuranosyl-3,5-hydroxy protected-1-alkyl and aryl sulfonates and their use in preparation of 2',2'-difluoro-2'-deoxy nucleosides  
A stereoselective process for preparing a β-anomer enriched 2-deoxy-2,2-difluoro-D-ribofuranosyl-3,5-hydroxy protected-1-alkyl and aryl sulfonate intermediates by contacting an α-anomer enriched...
5415695 Method of preparing solid lactulose  
The invention relates to a method of preparing solid forms of administration of lactulose by evaporating lactulose syrup to a water content of at most 10%, preferably 2 to 6%, cooling the thick,...
5393744 Glucosyl phosphotriesters of thymidine  
A compound having the following formula I: ##STR1## in which: R' represents a hydrogen atom or an azido group, alc represents an alkyl group of 1 to 4 carbon atoms, an alkoxy group of 1 to 4...
5386019 Synthesis of inhibitors of calmodulin-mediated enzymes including KS-501, KS-502 and their enantiomers  
The total synthesis of a group of compounds with inhibitory effects on calmodulin-mediated enzyme activities has been accomplished. Among these synthesized compounds are KS-501 and KS-502. Other...
5378833 Method for preparing galacto-oligosaccharides  
A process of preparing galacto-oligosaccharides comprising the step of heating up lactose, or, a mixture of lactose and galactose under presence of an inorganic acid as a catalyst in an anhydrous...
5326405 Solid lactulose  
The present invention is concerned with a method for the preparation of crystal-water-free crystalline lactulose by subjecting an aqeous solution or suspension of lactulose to simultaneous...
5298611 Sucralose pentaester production  
A process for producing substantially pure sucralose pentaester from a mixture of 6-O-acyl-4,1' ,6' -trichloro-4,1',6'-trideoxygalactosucrose in a reaction medium comprising a tertiary amide,...
5238826 Process for manufacturing xylose  
Process for manufacture of D-xylose characterized by the fact that: in a first step, syrup of D-xylulose is subjected to an enzymatic isomerization in M 3 providing a mixture of D-xylose and...
5162517 Process for the preparation of epimer-free sugar alcohols from the group consisting of xylitol, sorbitol (D-glucitol), 4-O-β-D-galactopyranosyl-D-glucitol and 4-O-α-D-glucopyranosyl-D-sorbitol  
The sugar alcohols given in the title can be prepared in epimer-free form from the corresponding sugars by catalytic hydrogenation in aqueous solution using hydrogen, the hydrogenation being...
5136031 Chlorination of sugars  
A process for the chlorination of sucrose or a derivative thereof, comprises reaction of the sucrose or derivative thereof with thionyl chloride and a nitrogen base at a ratio of about 1 molar...
5128323 Composition having anti-endotoxic activity  
The invention relates to pharmaceutical compositions having antiendotoxic activity, comprising as the active component a fraction which can be isolated from lactulase syrup by means of absorption...
5122601 Synthesis of 2,3,3',4,4'-penta-o-methylsucrose  
A process for manipulating any polyhydroxy compound bearing two or more primary and secondary hydroxyl groups to expose only the primary hydroxyl groups, while blocking all interfering secondary...
5078796 Process for manufacturing tagatose  
A process is disclosed for the synthesis of D-tagatose by isomerizing a mixture containing D-galactose with a metal hydroxide in the presence of a catalyst at a relatively low temperature to form...
5071530 Method of manufacturing lactulose  
For the manufacture of lactulose, an alkaline aqueous solution of lactose and borax is prepared and heated at a temperature above 80° C. The lactulose is separated from the resulting conversion...
4960762 Chiral two-phase system and method for resolution of racemic mixtures and separation of diastereomers  
A chiral two-phase system for resolution of racemic mixtures, or for separation of diastereomers, is disclosed. The system comprises two immiscible liquid phases and one or more enantioselectively...
4959467 Control of product selectivity in the addition of HCN to arabinose  
Hydrogen cyanide addition to a monosaccharide results in a mixture of product cyanohydrins whose ratio can be changed by conducting the hydrogen cyanide addition in the presence of an agent which...
4957564 Process for preparing lactulose from lactose by epimerization with sodium aluminate  
A process for preparing lactulose from lactose in which an aqueous lactose mixture is reacted with a sodium aluminate solution and the solution obtained is continuously neutralized by feeding this...
4920207 Selected removal of trityl groups from trispa  
2,3,4,3',4'-penta-O-acetyl sucrose (4-PAS), a key intermediate in the preparation of sucralose, is prepared by the selective removal of trityl groups from 6,1', 6'-tri-O-trityl-penta-O-acetyl...
4815445 Solid catalysts for epimerization of aldoses; continuous interconversion of epimeric sugars  
Anion exchange resins which have been exchanged with molybdate at acid pH are effective catalysts for epimerizing compounds with the structural unit: ##STR1## Cheif among these are aldoses,...
4801700 Process for the preparation of 1,6-dichloro-1,6-dideoxy-β-D-fructofuranosyl-4-chloro-4-deoxy-α -  
A process for the preparation of 1,6-dichloro-1,6-dideoxy-β-D-fructofuranosyl-4-chloro-4-deo xy-α -galactopyranoside comprising the steps of (a) reacting sucrose with a tritylating agent; (b)...
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