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JPH0246576B2 |
A method for the production of N-aryl substituted di- and polyurethanes in high yield, by the reaction of an aromatic di- or polyamine with urea and alcohol at high temperatures. The di- and polyurethanes thus produced have utility as is...
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JPH0246565B2 |
New cephalosporins are of formula (I) In the formula R and R1 are both H or both hydrolysable or hydrogenolysable gps. or R1 can also be opt. substd. 1-4C alkyl, A is H or an equiv. of an alkali(ne earth) metal or an amine. (I) have anti...
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JPH0246029B2 |
N-substituted N-isocyanatocarbonyl-carbamates, some of which are new, of the general formula (I) are prepared by reacting an N-substituted carbamic acid ester of the general formula R-NH-COOR1 (II) with chlorocarbonyl isocyanate of the f...
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JPH0245618B2 |
Novel compounds are described of the formula in which R<1>, R<2>, R<3>, R<4>, R<5>, R<6>, X and Y have the meanings given in the patent claim. The compounds possess pesticidal properties and are thus suitable as active ingredients of pes...
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JPH0245640B2 |
3-Amino-2-hydroxy-4-phenylbutanoyl-leucyl-asparagines which are related to bestatin in their chemical structure and which are active to enhance the immune response in living animals are now provided.
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JPH0245617B2 |
1. Process for the preparation of N-substituted urethanes of the general formula R**1 (NH-CO-OR**2 )n in which R**1 represents a saturated, unsubstituted, aliphatic hydrocarbon radical with 4 to 18 carbon atoms, a saturated cycloaliphati...
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JPH0244829B2 |
Methyl substituted bicyclo AD2.2.1BD heptane/heptene methylol derivatives of general formula (A), wherein the methyl group occupies the position C-4 or C-5, the residue R?1 the position C-2 and the methylol residue the position C-3 or al...
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JPH0244576B2 |
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JPH0243729B2 |
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JPH02242974A |
PURPOSE: To impart excellent oil-repellent and water-repellent properties, and soil-release(SR) properties in dry and wet conditions to a fiber by treating the synthetic or natural fiber with fluorocarbonylimino biurets. CONSTITUTION: Th...
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JPH0242825B2 |
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JPH02231447A |
NEW MATERIAL: A cyclohexane conjugate bis-1,3-diketone derivative of formula I [wherein R1 to R5 are each H, a 1-10 C alkyl, an aryl, an alkylaryl, -OR6 (wherein R6 is a 1-10C alkyl, a halogen, -CN-, -NO2, -NH2 or the like) or the like; ...
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JPH0240064B2 |
The compounds of the formula I (I) in which R1 to R5 denote hydrogen; alkyl, alkoxy, alkylmercapto, alkylsulfinyl, alkylsulfonyl, alkylsulfonyloxy each of which can be halogenated, halogen or nitro, R6 to R10 denote hydrogen; alkyl, alko...
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JPH0240063B2 |
The invention relates to new carbamyloxybenzhydrol derivatives of the formula (1)whereinR1 is hydrogen, halogen, trihalomethyl, alkyl having from one to 4 carbon atoms or alkoxy having from one to 4 carbon atoms;R2 is hydrogen or an R3-N...
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JPH0239503B2 |
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JPH02221248A |
NEW MATERIAL:A hydroxyamine derivative expressed by formula I (R1 and R2 are H or lower alkyl; X is lower alkyl; n is 0, 1 or 2; m is 2 or 3). EXAMPLE: O-[2-(4-Phenoxyphenoxy) ethyl]-N-propylhydroxyamine. USE: An industrially and advanta...
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JPH0238583B2 |
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JPH0237349B2 |
Polymerizable adducts of diisocyanates and methacryloyl alkyl ethers, alkoxybenzenes, or alkoxycycloalkanes are disclosed. The compounds of the present invention are formed into compositions which are useful as bone cement, fillings for ...
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JPH0237354B2 |
A compound of the formula where R is selected from the group consisting of CH3-CO-(CH2)2-O-, +TR The compounds are useful in treating depression.
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JPH0236590B2 |
Isolation and purification of polyisocyanates containing a biuret group, more particularly of those prepared from an aliphatic, cycloaliphatic or arylaliphatic diisocyanate and a biuretising agent. It consists more particularly in treati...
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JPH0236582B2 |
A new class of polymeric or polymerizable aromatic-aliphatic ketones, the preferred of which are: 2-hydroxy-2-methyl(4-vinylpropiophenone), 2-hydroxy-2-methyl-p(1-methylvinyl)propiophenone, p-vinylbenzoylcyclohexanol, p-(1-methylvinyl)be...
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JPH0234940B2 |
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JPH0234933B2 |
New 1,1,2-triphenylpropane and -propene derivatives of the general formula (I), wherein A and B each stand for hydrogen or they form together a valence bond, X and Y are identical or different and stand for phenyl group or a phenyl group...
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JPH0234343B2 |
Poly(oxyalkylene) glycols and polymer-supported poly(oxyalkylene) alcohols are employed as phase-transfer reagents in blocking primary amino functionality of alkali metal salts of amino acids with a benzyloxycarbonyl group.
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JPH02188563A |
NEW MATERIAL: A compd. represented by formula I [wherein X is halogen, OH, acyloxy or lower alkylsulfonyloxy; R1 and R2 are each H, lower alkyl, cycloalkyl or aryl lower alkyl or combined to form a group represented by formula II (R4 and...
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JPH0226628B2 |
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JPH0224812B2 |
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JPH0219829B2 |
A method for preparing 6-amino-5-R3-2,4-diaminopyrimidine-3-oxides which comprises:
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JPH0215534B2 |
This disclosure describes 1,4-bis(guanidinylamino)-5,8-dihydroxyanthraquinones useful as chelating agents and for inhibiting the growth of transplanted mouse tumors.
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JPH0215533B2 |
The invention relates to the preparation of novel N-substituted alkyl-N-nitrosocarbamoyl azides and to the compounds obtained thereby. The novel N-substituted alkyl-N-nitrosocarbamoyl azides can be reacted with amines, diamines, aminoalc...
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JPH0296556A |
NEW MATERIAL: Compounds of formula I (wherein R is 1-7C alkyl, 1-5C alkoxy, phenyl or 5-6-membered heterocyclic group having 1-3 O, N or S hetero-atoms; R1 and R2 are each H or 1-5C alkyl; X is halogen, 1-8C alkanoyl or benzoyl; both C o...
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JPH02500745A |
The invention relates to a process for the treatment of tumors in animals with water soluble square-planar cis platinum(II) four-coordinate complexes comprising different nonovalent and divalent organic cations. Monovalent cations includ...
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JPH0211580B2 |
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JPH0232048A |
PURPOSE: To obtain the subject compound useful as an intermediate raw material for the production of pharmaceuticals, agricultural chemicals, etc., in high yield by using sodium salt of a halophenol which is one of the most inexpensive i...
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JPH024586B2 |
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JPH0215052A |
PURPOSE: To mass-produce the title compd. in high yield without requiring retreatment by using a specific solvent as an auxiliary solvent when hydroxylamine-O-sulfonic acid is reacted with an alkali alcoholate in the presence of an alcoh...
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JPH026423A |
NEW MATERIAL: A compd. represented by formula I [wherein R1 is H, a halogen, CN or CF3, R2, R4 and R5 are H or a halogen, R3 is a halogen, CN, CF3, trifluoromethoxy or trifluoromethylsulfonyl, X is a halogen, Y is a halogen, CN, azido, t...
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JPH021427A |
NEW MATERIAL: Compounds of formulas I, II (R is CH3, CH2OH, CO2H, etc.; R1 is 1-3C alkyl, 1-3C alkoxy, halogen, etc.; R2 is H at 4-5 positions, 1-3C alkyl or 2-4C alkoxy; Z is H, 1-5C alkyl, etc.) and their salts. EXAMPLE: 6(R)-[2-8(S)-(...
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JPH021446A |
PURPOSE: To obtain the compd. with high yield by a method wherein α-amino acid amide is used as a starting substance and a Schiff base is formed with an arom. aldehyde and it is oxidized to oxazilidine. CONSTITUTION: A compd. of formula...
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JPH02752A |
NEW MATERIAL:The compound of formula I (R1 is H, alkanoyl or substituted alkanoyl; R2 is alkanoyl, substituted lower alkanoyl or substituted lower alkyl; m is 3-7) and its salt. USE: It has lipoxygenase inhibiting action and is useful as...
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JPH0161100B2 |
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JPH0161102B2 |
A process for the preparation of N,O-disubstituted urethanes. Primary amines and alcohols are reacted with organic compounds having carbonyl groups at 120 DEG to 350 DEG C. Suitable carbonyl-containing compounds include N-unsubstituted u...
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JPH01503786A |
This connected-speech recognition system uses a two-level hierarchical system, in which the higher-level (master) processor and one or more lower-level units (slaves) process, respectively, the most probably word sequence within a permit...
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JPH0160002B2 |
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JPH01311058A |
NEW MATERIAL:A compound shown by formula I [Q1 and Q2 are group shown by formula V (R1-R5 are H, halogen, trifluoromethyl, etc.) or group shown by formula VI; R6 and R7 are H, 1-6C alkyl, 1-6C alkenyl, 1-6C alkynyl, etc.; X is O or S]. E...
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JPH0159267B2 |
The present invention relates to an improved process for the production of urethanes (carbamic acid esters) by the reaction of organic nitro compounds with carbon monoxide and organic compounds containing at least one hydroxy group in th...
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JPH01294659A |
PURPOSE: To suppress elimination reaction without reducing the amount of a catalyst and temperature by carrying out the eliminating reaction of phenols from a blocked isocyanate in the presence of diethylene glycol dimethyl ether, etc., ...
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JPH01294671A |
PURPOSE: To obtain a trioxane-containing composition having suppressed decomposition and polymerization tendency of trioxane with heat, etc., decreased formaldehyde concentration and improved storability of trioxane by adding a ketoxime ...
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JPH01290642A |
NEW MATERIAL:The compound of formula I{R1 and R2 are H, lower alkyl or perfluoroalkyl; X1-X4 are H, CN, group of formula II or formula III [Y is =H2, group of formula IV or formula V (D is bivalent organic group having ethylenic unsatura...
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JPH0154351B2 |
Complexes of pyromellitic diimide compounds which are ruminant feed additives and which improve feed efficiency are disclosed. The pyromellitic diimide compounds may be unsubstituted pyromellitic diimide itself, or one of the nitrogen at...
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