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Matches 601 - 650 out of 829

Document Document Title
JPH0324073A
NEW MATERIAL: A compd. represented by formula I (R1-R8 are H, alkyl, alkylthio, alkenyl, alkynyl or halogen, CN, OH, NO2, 3-7-membered heterocycles containing up to four atoms of a different kind or aryl or two neighboring groups are com...  
JPH0311095A
NEW MATERIAL:The compound of formula (R is lower alkyl, phenyl or benzyl). EXAMPLE: 3-0-benzyl-5-0-6-N-[di-(2'-chloroethyl)- amino]cycloazaoxyphosphorinane-1,2-0-isopropylidene-α-D-glu cofuranose. USE: A carcinostatic agent, its precurs...  
JPH03843B2  
JPH02268191A
PURPOSE: To simply and inexpensively obtain the subject compd. useful for producing neuraminic acid in good yield by reacting a D-glucosamine deriv. with phosphor-ylid by a Wittig reaction process and oxidizing the reaction product by oz...  
JPH02262586A
NEW MATERIAL: 1,2:3,5-Di-O-isopropylidene-6-deoxy-6-thio-3' (N',N'- dimethylamino-n-propyl)-α,D-glucofuranose, 1,2-O-isopropylidene-3-O-n-heptyl-α,D- glucofuranose, 1,2-O-isopropylidene-3-deoxy-3-amino-3'-(propane-1'-ol)-α,D - arofura...  
JPH02235883A
NEW MATERIAL: A compound of formula I [wherein A is 6-amino-9H-purin-9- yl,2-amino-6-hydroxy-9H-purin-9-yl; provided that the amino group may be substituted by NHO(O)R2 and N=CHR3R4; R is OH, OC(O)R1; and R1 to R4 are each a 1-20C alkyl,...  
JPH02225484A
PURPOSE: To inexpensively obtain the subject derivative in high yield by synthesizing a 5-deoxy-L-ribose from a D-ribose as a starting raw material and condensing a phenylhydrazone of thus synthesized ribose or an acylated compound there...  
JPH02202894A
PURPOSE: To obtain protected mono-sugar and oligo sugar halides in a high yield with good selectivity, by using only a halogenating agent by reacting an anomeric hydroxyl group-containing protected sugar (deriv.) with secondary α-haloge...  
JPH02196758A
NEW MATERIAL: A compd. represented by formula 8 (R1 and R2 are each 1-6C alkyl or 5-8C cycloalkyl combined with C. EXAMPLE: 1,5-dideoxy-1,5-imino-3,4-O-isopropylidene-L-fucital. USE: An intermediate for producing N-substd 1,5-dideoxy-1,5...  
JPH0223559B2  
JPH02121999A
PURPOSE: To obtain the subject intermediate useful in the production of nojirimycins for use as antidiabetics, etc., industrially advantageously by reducing 5-azido-5-deoxy-1,2,-O-isopropylidene-α-D-glucuronolactone with a hydride reduc...  
JPH0216757B2  
JPH0285287A
NEW MATERIAL:A compound of formula I (R1 and R2 are H or the protecting group for the amino group; R3-R5 are H or the protecting group for OH) and a salt thereof. EXAMPLE: 5-[(2R),(3R)-4-Benzyloxy-2,3-isopropylidenedioxy-trans-butyl iden...  
JPH0259598A
PURPOSE: To simply obtain the subject compd. useful as a synthetic intermediate of an antiviral agent and an AIDS treatment agent by condensing two kinds of specific compds. in the presence of an inert solvent. CONSTITUTION: 2-Amino-β-D...  
JPH0248594A
PURPOSE: To obtain the title high-purity compound useful as a synthetic intermediate for spice substance in high yield simply and inexpensively by a specific method using chloro-di-O-isopropylidene-α-D-glucofuranose as a raw material. C...  
JPH01503382A  
JPH01272588A
NEW MATERIAL: A compound of the formula [wherein R is H or CH3; R1 is H, OH, COCOH(CH3)2, OCOCH(CH3)CH2CH3; R2 is H or OH; and R3 is H or OCOCH(CH3)2]. USE: A treating or a preventive agent against the infection of humans or animals with...  
JPH01272575A
NEW MATERIAL: A (+)-cis compound, (-)-cis-enantiomer or (±)cis racemic modification of formula I [wherein R is a lower alkyl; R1 is pyridyl, phenyl which may have 1-3 substituents (NO2, OH, halogens, lower alkoxyls or lower alkanoyloxys...  
JPH01224386A
PURPOSE: To obtain saccharides which are used as a diet food, because of its difficult digestiveness, by irradiating polysaccharides with CO2 laser to melt the saccharide and cause fission of the bonds between monosaccharides without inc...  
JPH0134229B2  
JP01175989A
PURPOSE: To obtain the title compound useful for drugs such as cardiac and hypotensive drug in high yield, by optically resolving a mixture of optical isomers of optically active myoinositol derivatives with a specific separating medium....  
JPH1175989A
To retain the contact face with a human body to form a smooth curve by connecting the rear face side stretching over the bend of a cushion body by a supporting belt-form member and pressing the bend to the surface side by the tension of ...  
JPH0132834B2  
JPH0131517B2  
JPH0130809B2  
JP01157976A
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 f...  
JPH1157976A
To easily separate an insert mold to a master mold in a good balance by fitting a vibration transferring rod penetrating the master mold and abutted on the insert mold. A casting takeout device is set at the back surface side of a metall...  
JPH01139591A
PURPOSE: To obtain a device capable of wholly automatically synthesizing the title compound for research of saccharometabolism, etc., in high yield and selectivity in a short time, by reacting an alkaline aqueous solution with a 11C-labe...  
JPH01139594A
PURPOSE: To readily obtain the title nitrile useful as an intermediate for producing glucose labeled with an isotope in a short time by simple operation, by reacting an arabinose with a cyanogen compound expressed by the respective speci...  
JPH01139595A
NEW MATERIAL:A compound expressed by formula I (R1 is formula II or III; R2 is formula IV or II). EXAMPLE: 11-O-[{4-O-Isobutyryl-α-L-rhamnopyranosyl}(1→4)--{3-O-met hylbutyl-α-L- rhamnopyranosyl}(1→4)-α-L-rhamnopyranosyl(1→4)-α...  
JPH01128993A
NEW MATERIAL:A compound of formula I (the wave lines represent axial or equatorial bonds). EXAMPLE: Methyl-4,6-0-(7-hydroxy-3,7-dimethyl)octylidene-α,B-glucopy ranoside. USE: Flavor-maintaining agent. PREPARATION: A methyl-D-glycoside o...  
JPH01128992A
NEW MATERIAL:A compound of formula I (wavy lines represent axial or equatorial bonds). EXAMPLE: Methyl-4,6-0-[3-(1-methylcyclohexen-4-yl)butylidene]-α,D-gl uco- pyranoside. USE: Flavor-maintaining agent. PREPARATION: Methyl-D-glucoside ...  
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  
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...  
JPS63250341A  
JPS63246361A
NEW MATERIAL:A compound expressed by formula 6 [Q1 and Q2 are lower alkyl or both Q1 and Q2 together represent lower alkylene; R1 is OH-protecting group; X is O or N-Y (Y is OH which may be protected), etc.]. EXAMPLE: ( 1S )-( 1(OH),2,4/...  
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...  
JPS63165394A  
JPS6327358B2  
JPS6320438B2  
JPS6312877B2  
JPS6312875B2  
JPS6312876B2  
JPS6312075B2  
JPS6312074B2  
JPS6310685B2  
JPS6345292A
PURPOSE: To obtain the titled compound useful as an intermediate for ascorbic acid, etc., on an industrial scale at a low cost, by reacting L-sorbose under the addition of acetone having low water-content in the presence of a ketalizatio...  

Matches 601 - 650 out of 829