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Matches 501 - 550 out of 629

Document Document Title
JPH0131517B2
The invention relates, inter alia, to a process for the provision of 6-amino-6-desoxy-2,3-O-isopropylidene- alpha -L-sorbofuranose derivatives which comprises treating a 2,3-O-isopropylidene-6-sulphonated- alpha -L-sorbofuranase with an ...  
JPH0130809B2
(A) Novel antigen derivs. (I) consist of an antigen to which at least one muramyl peptide is covalently bonded, opt. via a bridging gp. Prefd. cpds. are of formula (Ia): A-[(Z)m-MP]n (Ia) (A is an antigen residue; Z is a bridging gp.; MP...  
JPH01157976A
NEW MATERIAL:A (4S, 5S)-4,5-cyclohexylidenedioxy-2-cyclopenten-1-one. USE:A drug. A synthetic raw material for prostaglandin and antibiotic. EXAMPLE:D-Ribose is reacted with silylenolized cyclohexane to give a novel compound shown by for...  
JPH01131156A
NEW MATERIAL: N-benzoyl-3,4,5-tri-o-benzyl-3,4,5-trihydroxy-piperidine-2-a ldehyde of formula I, N-benzoxyl-2-hydroxymethyl-3,4,5-tri-O-benzl-3,4,5- trihydroxypiperidine of formula II, and N, 7-O-cyclocarbonato-2- hydroxymethyl-3,4,5-tri...  
JPS6479192A
NEW MATERIAL:A derivative expressed by formula I [R1 is H, alkyl or alkoxycarbonyl; R2 and R3 are H or together link to form a cyclic group and represent a group expressed by formula II (A is H, alkyl, or aryl); R4 is acyl- substituted o...  
JPS6442436A
PURPOSE: To obtain the subject composition containing an amiprolose in an amount effective as a medicine as an active component together with a physiologically permissible carrier, capable of administering in a form of tablets and useful...  
JPS646191B2
The invention relates to alpha -hydroxyalkyl-3,4,5-trihydroxypiperidines defined by Formula (I), infra, and pharmaceutical compositions and medicaments containing said compounds. Also included in the invention are methods for the use of ...  
JPS6419086A
PURPOSE: To obtain a saccharide derivative suitable as a raw material for statine homologue useful as an intermediate for enzyme inhibitor industrially and advantageously, by reacting a glucose derivative with a specific Grignard reagent...  
JPS63250394A
NEW MATERIAL:A compound expressed by formula I (R1 and R2 are H or together represent isopropylidene; R3 and R4 are H or together represent isopropylidene; R5 is H or alkyl; R6 is H or acyl). EXAMPLE: 3-Deoxy-3-( 3-tetradecanoyloxytetrad...  
JPS63196523A
PURPOSE: To obtain the titled preventive and remedy containing a resin glycoside. CONSTITUTION: A preventive and remedy for protozoological disease containing one or more of the whole plant containing a resin glycoside [e.g. pharbitin, j...  
JPS6327358B2  
JPS6320438B2  
JPS6312877B2  
JPS6312875B2  
JPS6312876B2  
JPS6312075B2  
JPS6312074B2  
JPS6310685B2  
JPS63500452A
Sugar-containing dipeptides of a new type, their manufacture and use in various pharmaceutical, biological and medical applications, in particular for prophylactic purposes against infections, combating infections diseases of various ori...  
JPS62258321A
PURPOSE: To obtain an agent for suppressing hepatic disorder, by using cysteine- glucuronic acid or cysteine glucuronolactone or their salt as essential component. CONSTITUTION: The objective agent for suppressing hepatic disorder contai...  
JPS6251960B2
The present invention provides compounds of the general formula: (I) in which R and R1, independently of one another, each represent a straight-chained or branched alkyl or alkoyl radical containing up to 6 carbon atoms or a phenyl radic...  
JPS62207288A
NEW MATERIAL:The compound of formula (R1 is H or isobutanoyl; R2 is H, isobutanoyl, 2-methyl-3-hydroxybutanoyl or α-methylbutanoyl). USE: An evacuant. PREPARATION: Root of Ipomoea orizabensis Ledanois is crushed, extracted with an organ...  
JPS62207287A
NEW MATERIAL:The compound of formula (R1 and R2 are H or α-methyl- butanoyl; R3 is H, α-methylbutanoyl or isobutanyol). USE: An evacuant. PREPARATION: Seed of Ipomoea muricata (L) Jacq. is crushed, extracted with a lower alcohol prefer...  
JPS62207290A
NEW MATERIAL:The compound of formula I (R1 is benzyl; R2 is benzyl or allyl; R3 is trichoro-t-butoxycarbonyl or trichloroethoxy-carbonyl). EXAMPLE: Allyl-2-( 2',2',2'-trichloro-t-butyxycarbonyl )amino-2-deoxy-3-( 2',2',2'- trichloro-t-bu...  
JPS6231703B2
The invention includes certain 3,4,5-trihydroxypiperidine compounds, methods for their preparation, compositions containing said 3,4,5-trihydroxypiperidine compounds and methods for the use of said compounds and compositions. The subject...  
JPS6256423A
PURPOSE: To provide the titled ameliorating agent containing benzaldehyde and/or 4,6-O-benzylidene-D-glucose as an active component. CONSTITUTION: The objective remedy and ameliorating agent for cachexia can be produced by using benzalde...  
JPS61249980A
PURPOSE: To obtain the titled compound of high purity having a steric configuration, by reacting a dialkoxycyclohexanone with D-arabinose, reacting the resultant novel intermediate with a specific compound, and reducing the resultant nov...  
JPS6145639B2
Bicyclomycin derivatives having the general formula: wherein RI is +TR RII and RIII are hydrogens or aliphatic, RIV is hydrogen, aliphatic, acyl, or aliphatic heterocyclic, and Z is  
JPS6139957B2  
JPS61194029A
PURPOSE: To obtain geraniin, by extracting a plant of Aceraceae family with an organic solvent. CONSTITUTION: The dried leaf of a plant of Aceraceae family (e.g. Acer nikoense, Acer buergerianum, Acer saccharum, Acer palmatum, etc.; the ...  
JPS61189288A
Sugar ketals are prepared by reacting a sugar with a ketone in the presence of an acid catalyst by a process in which A. a molecular boron trifluoride compound or trifluoromethanesulfonic acid is used in an amount of only from 0.01 to 10...  
JPS61132502A
PURPOSE: An alkali hypohalite is used as an oxidizing agent to effect the reaction and the waste solution containing the resultant alkali halide is subjected to electrolysis to form alkali hydroxide and halogen, then alkali hypohalite is...  
JPS6169785A
NEW MATERIAL:The compound of formula I [R11 is CH2R16 (R16 is OH, NH2, N3, etc.) or group of formula II; R12 is OH, H, N3, etc.; R13 is H, N3 or benzyloxy; R14 and R15 are H or benzyl; R22 and R23 are H, allyl, acetyl, methylthiomethyl, ...  
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...  
JPS616836B2  
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...  
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 ...  
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...  
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...  
JPS6049639B2  
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.  
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...  
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...  
JPS6029718B2  
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...  
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, ...  
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...  
JPS6011720B2  
JPS602302B2  
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...  

Matches 501 - 550 out of 629