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JPH11130742A |
To provide a method for industrially efficiently producing the subject compound. This method for producing the aimed N-(2-cyano-3- methylbutyloyl)urea comprises the following process: methyl cyanoacetate is reacted with acetone in methan...
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JP2832458B2 |
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JPH10316525A |
To make a saccharin acid ureide act as an agent in a cosmetic and impart effects especially on the humectation of skin by using a specific urea derivative as an active ingredient. A saccharic acid ureide represented by formula I (R1 is a...
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JPH10316646A |
To provide a method for producing a high-purity crystalline methylisourea hydrochloride. (a) A methanol solution or suspension of O-methyliso urea hydrochloride is reacted with an alkali metal acetate at -10 to 65°C, (b) a precipitated ...
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JP2826573B2 |
PCT No. PCT/EP86/00116 Sec. 371 Date Feb. 9, 1987 Sec. 102(e) Date Feb. 9, 1987 PCT Filed Mar. 6, 1986 PCT Pub. No. WO86/05487 PCT Pub. Date Sep. 25, 1986.Benzoyl ureas of the formula are prepared by starting from benzoyl derivatives of ...
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JPH10511362A |
Disclosed herein are compounds of formula (1), wherein R<1> is (1-3C)alkyl, R<2> is hydrogen or (1-3C)alkyl and R<3> is (1-3C)alkyl, or a therapeutically acceptable salt thereof. The compounds are useful for treating herpes infections.
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JPH10251237A |
To obtain the subject compound useful as an intermediate for pharmaceuticals by an industrially advantageous method in high efficiency at a low cost by adding an alkaline substance of an amount falling within a specific range to an aqueo...
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JPH10509157A |
PCT No. PCT/EP95/04428 Sec. 371 Date May 6, 1997 Sec. 102(e) Date May 6, 1997 PCT Filed Nov. 10, 1995 PCT Pub. No. WO96/16030 PCT Pub. Date May 30, 1996Iminooxymethyleneanilides of the formula I where the substituents and the index have ...
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JP2794341B2 |
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JP2791156B2 |
Substituted ureas and thioureas are disclosed for use as high potency sweeteners.
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JPH10195037A |
To obtain a new phenol derivative capable of suppressing formation of foam cell of macrophage by excellent anti-oxidant action and ACAT inhibition action to suppress progress of arteriosclerosis, eliminating active oxygen and suppressing...
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JP2780094B2 |
Aliphatic and/or cycloaliphatic polyisocyanates containing allophanate groups are produced by reacting (a) a di- and/or polyisocyanate with aliphatic and/or cycloaliphatic isocyanate groups with (b) a hydroxy compound at a temperature of...
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JPH10505795A |
PCT No. PCT/EP95/03539 Sec. 371 Date Mar. 21, 1997 Sec. 102(e) Date Mar. 21, 1997 PCT Filed Sep. 8, 1995 PCT Pub. No. WO96/09136 PCT Pub. Date Mar. 28, 1996A method for repairing and restoring the functionality of equipment subjected to ...
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JP2759184B2 |
PURPOSE: To simply and efficiently carry out optical resolution in a large scale by treating a racemic mixture of β-adrenergic propanolamine with a chiral aralkylisocyanate and resolving the resultant diastereomeric urea intermediate an...
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JP2750624B2 |
The present invention is directed to a process for the preparation of N,N'-bis-(3-aminophenyl)-ureas corresponding to formula (I) (I) wherein R represents a linear or branched C1-C6 alkyl group which is in the 2-, 4- and/or 6-position, c...
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JP2750144B2 |
Process for the preparation of acyl isocyanates of formula in which R is an alkyl radical, an optionally substituted naphthyl or phenyl radical or an optionally substituted aromatic heterocyclic radical, which consists in reacting an acy...
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JPH10120643A |
To produce urea by a method that has high adaptability to variations of operating condition and reduces energy consumption. This production of urea, which consists of a reaction heat recovery process that formats ammonium carbamate from ...
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JPH10504827A |
The present invention is the novel synthesis of sterically hindered penta-substituted guanidines by a process in which (1a) an isocyanate is reacted first with a di-substituted amine or (1b) a urea is reacted with two moles of a mono-sub...
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JP2748170B2 |
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JP2740756B2 |
To obtain a new lysine derivative having sufficient homogeneity, easily removable, and enabling the easy preparation of a cosmetic composition or the like which can be compacted at a degree sufficient to avoid the fragmentation caused by...
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JP2732080B2 |
Compounds of the formula I (I) in which n is 1-30 and X, Y, R, Ar1 and Ar2 are as defined in claim 1 can be prepared by reaction of a benzil dialkyl ketal with a diol. Depending on the molar ratio of the two reaction components, products...
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JPH1072429A |
To obtain a urea library compound useful as a lead compound for the development of chemicals by adding an amine reactant to each reaction zone containing liquid medium, adding and reacting an isocyanate reactant and adding a scavenger to...
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JP2695256B2 |
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JPH09330731A |
To separate and fix all the carbon component in spent fossil fuel as carbon dioxide gas, and recover by-produced high purity nitrogen and argon gas by utilizing the maximum energy-saved generation by fuel cell generation. A fuel cell is ...
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JP2691429B2 |
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JP2688530B2 |
Fungicidal compounds of the formula (I): in which A and B are independently H, fluoro, chloro, bromo, C1-4 alkyl, C1-4 alkoxy or halo(C1-4)alkyl provided that both are not H; D and E are independently H or fluoro; R<1> is H, C1-4 alkyl o...
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JP2688179B2 |
PURPOSE: To provide a novel naphthalene deriv. useful for treating periodic depression, a sleep disorder, a cardiovascular disease and sleeplessness, fatigue, anorexia and obesity caused by a jet syndrome. CONSTITUTION: This compd. is re...
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JP2686947B2 |
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JPH09309872A |
To obtain a new compound useful a therapeutic agent as a complication of diabetes mellitus. This N-benzoylhydantoic acid is a compound of formula I [X is a halogen; Y is a halogen, a 1-6C alkyl, nitro, cyano, a sulfonic acid ester or a c...
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JPH09278737A |
To obtain a new phenol derivative having excellent lipid peroxidation suppressive activity and macrophage foaming suppressive activity, and useful for preventing/treating ischemic cardiopathy, etc., by reaction of a specific compound wit...
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JP2668233B2 |
Polyisocyanates with biuret structures are produced at temperatures above 250 DEG C. More specifically, an excess of a diisocyanate having aliphatically and/or cycloaliphatically bound isocyanate groups is reacted with a diamine containi...
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JP2661903B2 |
A process for the production of a high energy nitrate ester involves reacting, in an inert organic solvent, a heterocyclic compound, selected from oxiranes, oxetanes, N-substituted aziridines and N-substituted azetidines, with either N2O...
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JPH09227495A |
To obtain a novel phenol derivative which has excellent lipid peroxidation-inhibitory action, macrophage-foaming inhibitory action and oxidized low-density lipoprotein formation-inhibitory action with toxicity reduced, and is useful as a...
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JPH09227493A |
To clean exhaustion gas by simultaneously recovering urea and ammonia from exhaust gas containing urea dust and ammonia. When urea and ammonia are recovered by bringing a gas containing urea dust and ammonia into contact with an aqueous ...
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JP2640365B2 |
Blocked polyisocyanates which are soluble or dispersible in water and comprise a) on average at least one blocked isocyanate group and b) incorporated, anionic cyanourea groups in an amount ensuring solubility or dispersibility in water ...
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JP2631296B2 |
Calcium-urea nitrate [Ca(NO3)2.4CO(NH2)2] is produced by means of a process, according to which: - a liquid composition is prepared, at a temperature not higher than 170 DEG C, which contains urea and calcium nitrate, in a molar ratio to...
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JPH09169717A |
To enable efficient production of large grains of urea excellent in mechanical strength with suppressed formation of biuret or the like. A mixed solution containing urea and formaldehyde or a formaldehyde derivative (in an amount of 0.3-...
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JPH09169839A |
To obtain a coating compsn. having a combination of excellent properties, such as durability, hardness, and resistance to scratch, marring, solvents, and acids. A compd. (A) contg. a carbamate or urea group or a group convertible to carb...
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JPH09143144A |
To provide a method for producing a 1,3-dialkylurea comprising a step for efficiently removing phenols formed as a by-product from the resultant reactional mixture with a small amount of an organic solvent when reacting a diaryl carbonat...
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JP2608234B2 |
PURPOSE: To prevent the damage of a reducing valve, to enable the safe operation of a urea plant and to enable continuous operation over a long period by using a material having a good cavitation erosion characteristic and corrosion resi...
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JPH09118661A |
To safely and simply obtain the subject compound useful as a raw material for crosslinked polymers, etc., from easily available raw materials at a low cost by reacting an urea compound with an alkenylcarboxlate in the presence of a base ...
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JP2603328B2 |
Process for the preparation of 3-amino-2-cyanoacrylonitrile derivatives of the formula in which R denotes substituted C1-C10-alkyl, optionally substituted styryl, optionally substituted phenyl or an aromatic heterocyclic radical, in whic...
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JP2580196B2 |
The present invention relates to an anticonvulsant composition comprising a compound of the formula: where R, R1, R2 and R3 and n are as defined in claim 1 as effective ingredient, together with a pharmaceutically acceptable carrier, sai...
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JPH0931042A |
To obtain a pharmaceutical preparation, containing a carbamoylmethylurea derivative having a strong affinity for a gastrin receptor and/or a central cholecystokinin receptor and useful as a therapeutic agent for gastric or duodenal ulcer...
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JP2577011B2 |
A process for the preparation of compounds of the formula I in which R1 denotes a saturated or unsaturated alkyl radical or alkoxyalkyl radical having 1 - 22 carbon atoms, preferably 12 - 18 carbon atoms, R2 denotes an alkyl radical havi...
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JP2574397B2 |
Substituted aminophenyl carbamates of the formula (I) …… in which the substituents are as defined in the description, and their use for controlling pests. …The novel substituted aminophenyl carbamates of the formula (I) can be ...
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JP2575183B2 |
Certain substituted urea, thiourea, carbamate, and thiocarbamate compounds are potent inhibitors of the enzyme acyl-CoA:cholesterol acyltransferase and are thus useful agents for inhibiting the intestinal absorption of cholesterol, and f...
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JPH0920747A |
To condense the condensing substance in the vapor flows transferring from the urea vacuum evaporator/concentrator up to a high place by contact- cooling and recover the condensing substance suitable for the specification of formation of ...
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JPH0920745A |
To provide a synthetic process for urea from ammonia and carbon dioxide accompanied by formulation of an intermediate, ammonium carbamate. (a) Ammonia is allowed to reacts with carbon dioxide to form the first liquid mixture containing u...
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JPH0920746A |
To produce urea in high yield by allowing ammonia to react with carbon dioxide, separate and recover the formed urea from the mixture containing unreacting substances and recycling the unreacting substances to the reactor. Ammonia (A1) a...
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