Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 601 - 650 out of 862

Document Document Title
JPH0471919B2  
JPH0471079B2  
JPH04321696A
PURPOSE: To obtain the title compound to be used e.g. as an intermediate for synthesizing antineoplastically active substances without substrate degradation, by reaction in an aprotic solvent, between 2-deoxyamino sugar and a halogenodic...  
JPH0466874B2  
JPH04154761A
NEW MATERIAL:A compound expressed by formula I [A is formula II or III (B is O, S or substitutable CH2; R5 is H or protecting Group of OH; R6 is H, alkoxy, OH, protected OH, alkylthio, halogen or, together with H of CH2, forms single bon...  
JPH0425272B2  
JPH0459789A
NEW MATERIAL:The cyclonucleosides expressed by formula I (R1 is H, NH2 or OH; R3 is H or NH2). EXAMPLE: 8,3'-S-cyclo-2',3'-dideoxyadenosine. USE: An antiviral agent stable to acid and useful as a remedy for viral diseases such as AIDS. P...  
JPH0426696A
NEW MATERIAL:A compound of formula I (R1-R4 are each H or hydroxyl; R5 and R6 are such that one of them is H, the other being group of formula II, etc.) or formula III(R7-R10 are each H or hydroxyl; R11 and R12 are such that one of them ...  
JPH0418072A
PURPOSE: To effectively prepare the subject compound, by converting 1,2-O- isopropylidene-5-oxo-α-D-glucuronolactone hydrate into its oxime, catalytically hydrogenating the same, reducing the product by a hydride reducing agent, and rea...  
JPH03261795A
NEW MATERIAL:A compound expressed by formula I (R1 is H, alkyl, aryl or substituent group containing a functional group; R2 and R3 are H, alkyl or aryl; R4 and R5 are H, halogen, alkyl, aryl, alkoxycarbonyl or protected hydroxymethyl; x ...  
JPH03261772A
NEW MATERIAL:A compound of formula I (n is 2-4). EXAMPLE: 2(RS)-5,5-Dimethyl-D-galacto-(1',2',3',4',5'-pentahydroxypen tyl) thiazohidine-4-(S)-carboxylic acid. USE: A glycation-inhibiting agent. Useful for treating arterial sclerosis acc...  
JPH0372626B2  
JPH03251595A
NEW MATERIAL:A compound of formula I (Ac is acetyl). USE: A deoxyribonucleic acid(DNA) transoription-controlling agent. PREPARATION: A compound of formula II (Bn is benzyl; Z is benzyloxycarbonyl) is glycosylated using a compound of form...  
JPH03236395A
NEW MATERIAL:A compound expressed by formula I [R1 is formula II, -(CH2)m (m is 1-5) or formula III (n is 1-10); R2 is H or CH3; X is reducing sugar residue, sulfuric acid ester thereof or alkali salt of the ester residue]. USE: A produc...  
JPH0366314B2
A process is disclosed for production of a sugar ketal, which comprises reacting a sugar with a ketone in the presence of hydrogen iodide. The formation of unfavorable by-products can be reduced to a trace amount. The process offers the ...  
JPH03218390A
NEW MATERIAL: A compound of formula I [R1 is H or 1-6C alkyl; R is Ar or Ar1; Ar is 3-ethoxy-4-hydroxyphenyl or 5-methylthiophen-2-yl; Ar1 is formula II (A is phenyl and R2 is 1-6C alkyl, A is 4-methoxyphenyl and R2 is H or 1-6C alkyl, o...  
JPH03215492A
NEW MATERIAL:A compound expressed by formula I (one of A1 and A2 is H and the other is OH; G is derivative of sugar or sugar excluding glucose). EXAMPLE: A compound expressed by formula II. USE: Used as a substrate for determination of N...  
JPH03209393A
PURPOSE: To obtain the subject compound having an antiviral activity and especially useful for AIDS by reacting a specific compound with an organic halogenocompound, treating the reaction product with a diester of an azodicarboxylic acid...  
JPH0350747B2  
JPH03163091A
NEW MATERIAL: Compounds of the formula (R1 is H, C4-11 alkoxyl, hydroxyl residue, aralkyl having at least 7C, etc.; R2 is H, C4-7 alkoxy, methylthiocarbonyl, etc.; R3 is H, halogen alkylene, aralkyl having at least 7C, etc.). EXAMPLE: 1,...  
JPH03153696A
NEW MATERIAL:A compound expressed by formula I or II (R is H or Ac). USE: Useful for synthesizing lactose derivatives such as N-acetyllactosamine. PREPARATION: 1,6-Anhydrolactose and 1,1-dimethoxycyclohexane in a molar amount of 2-9 time...  
JPH03145463A
PURPOSE: To obtain nojirimycin-δ-lactam and deoxynojirimycin by using an epoxide derivative of L-idofranoise as a branch intermediate. CONSTITUTION: A pyridine ring is formed by connecting N between C-1 and C-5, in accompany with the re...  
JPH0325437B2  
JPH0363224A
NEW MATERIAL:A compound expressed by formula I (R1 is H or benzoyl; R2 is alkyl). EXAMPLE: Methyl-4,6-O-(3',4'-dibenzoyloxybenzylidene)-α-D-glucopyran oside. USE: Antiphlogistics for treating chronic rheumatism. The compound expressed b...  
JPH0347193A
NEW MATERIAL:A compound expressed by formula I [one to four of R1 to R8 are 1-40C aliphatic acyl groups and the rest are H; when one is the aliphatic acyl group, it is not 2-palmitoyl or 6-aliphatic acyl group; when two are aliphatic acy...  
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
1. Claims for the Contracting State : BE, CH, DE, FR, GB, IT, LI, LU, NL, SE Products containing at least 1 andidot of the generic formula I , see diagramm : EP0054278,P29,F1 wherein X and Y are standing independently from each other for...  
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
Compounds of the formula wherein X is halogen; each R independently represents H, a C1-C4 alkyl group, a C2-C4 alkanoyl group, a phosphate group, or a sulfate, sulfonate, or benzoate group with the proviso that no more than one sulfate, ...  
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...  
JPH0223891A
PURPOSE: To obtain a new compound, e.g. 4,6-ethylidene-4-nitrophenyl-α-D- maltoheptaoside or a compound expressed by the formula (R, R1 are each a 1-6C alkyl or phenyl, and R and R1 together to form methylene, etc.; R2 is an oligoglucos...  
JPH0222288A
NEW MATERIAL: A compd. represented by formula I (wherein R and R1 are 1-6C alkyl, alkoyl or phenyl, R2 is an ologoglucoside having 2-7 glucose units and X is H or an optically measured group). EXAMPLE: 4,6-ethylidene-4-nitrophenyl-α-D-m...  
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
A process for preparing diacetoneketogulonic acid comprises oxidizing diacetonesorbose in two or more oxidizing steps using different oxidizing agents in each step. In preferred embodiments the first oxidation is done electrochemically o...  
JPH01180894A
PURPOSE: To readily obtain the title compound useful as a raw material, an intermediate, etc., for medicines, immunochemotherapeutics, etc., in high yield by reacting a pentaacylglucosamine, etc., with a perfluoroalkanesulfonic acid tria...  
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 ...  

Matches 601 - 650 out of 862