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JPH08193044A |
To provide a method for producing mono- or di-carboxylic acid in high yield and at high purity by oxidation of the corresponding aldehyde in a carboxylic acid under specific conditions in the presence of an oxidizing agent. This method i...
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JPH08506805A |
PCT No. PCT/FR93/01232 Sec. 371 Date Jul. 23, 1995 Sec. 102(e) Date Jul. 23, 1995 PCT Filed Dec. 10, 1993 PCT Pub. No. WO94/13616 PCT Pub. Date Jun. 23, 1994Process for the treatment of a material comprising a polymer, especially a polya...
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JP2512386B2 |
PURPOSE: To provide a hydroxycarbonylation method for converting various valerolactones and their isomers into corresponding dibasic acids by the reaction with carbon monoxide and water. CONSTITUTION: At least one kind of lactone having ...
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JP2510358B2 |
Tetraalkyl butanetetracarboxylates are prepared by electrohydrodimerization of dialkyl maleates in alkanol. The resultant tetraalkyl butanetetracarboxylates are then hydrolyzed to obtain the 1,2,3,4-butanetetracarboxylic acid.
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JP2508763B2 |
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JP2506025B2 |
PURPOSE: To provide a polymer which combines very favorable mechanical properties such as excellent tensile strength and elastic modulus, good low- temperature impact resistance, and good dimensional stability (derived from low water abs...
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JP2505983B2 |
PURPOSE: To obtain a therapeutic agent for alopecia resulting from inflammation or hormonal anomalies by formulating a compound selected from a specific dicarboxylic acid, a mercapto derivative thereof and a salt thereof as an active ing...
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JPH0899929A |
PURPOSE: To provide a process for easily producing high-purity oxalic acid containing an extremely small amount of impurities such as sulfate group from crude oxalic acid containing the impurities. CONSTITUTION: This process for the prod...
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JPH08502960A |
PCT No. PCT/EP93/02944 Sec. 371 Date May 1, 1995 Sec. 102(e) Date May 1, 1995 PCT Filed Oct. 25, 1993 PCT Pub. No. WO94/10122 PCT Pub. Date May 11, 1994A process for the preparation of carboxylic acids and esters thereof, which involves ...
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JPH0832554B2 |
PURPOSE:To increase the density of a sintered body of oxide powder and to improve the strength by adding an aq. mineral acid soln. contg. a rare earth element to an aq. oxalate soln. of a prescribed pH alkalified with ammonia and by calc...
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JPH0881410A |
PURPOSE: To provide a method for producing methylsuccinic acid by which the methylsuccinic acid that is a branched α, ω-dicarboxylic acid can industrially and advantageously be produced to improve properties of polyester polyols, nylon...
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JPH08502247A |
The present invention relates to a process for the preparation of C5-C8 aliphatic dibasic acids through oxidation of corresponding saturated cycloaliphatic hydrocarbons by (1) reacting, at a cycloaliphatic hydrocarbon conversion level of...
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JPH0822824B2 |
A new process for the preparation of carboxylic acid chlorides by reaction of tetrachloroethylene carbonate with a carboxylic acid of formula R(COOH)n at a temperature of between 80 DEG and 160 DEG C. The radical R can be very varied...
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JPH0816088B2 |
Compositions containing lysine, chloride ion and succinic acid in which the lysine is present in greater molar concentration than the chloride or succinic acid possess a salty flavor making them useful as table salt substitutes and flavo...
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JPH0841076A |
PURPOSE: To obtain a dried aluminum hydroxide gel having high reactivity with acids and high ability capable of neutralizing acids, excellent in stability, storage property, workability, etc., and useful as an antacid or a cation exchang...
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JPH085785B2 |
The invention concerns the use of a compound selected from aliphatic mono- and dicarboxylic acids having 7 to 13 carbon atoms, the salts thereof, the monogyceride and monosucrose esters thereof for the manufacture of a medicament for the...
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JPH08794B2 |
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JPH07121889B2 |
Process for the preparation of adipic acid by reaction of water and carbon monoxide with at least one pentenic acid, in the presence of an iridium-based catalyst and of at least one iodinated promoter, at elevated temperature, at a press...
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JPH07112998B2 |
The subject is more particularly a process for the preparation of adipic acid by reaction of water and carbon oxide with at least one pentenic acid in the presence of a rhodium-based catalyst and at least one iodine-containing promoter, ...
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JPH07113000B2 |
Process for the preparation of adipic acid by hydrocarboxylation of pentenic acids, that is to say by reaction of water and carbon oxide with at least one pentenic acid. …More particularly, the subject is a process for the preparat...
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JPH07112999B2 |
Process for the preparation of adipic acid by hydrocarboxylation of pentenic acids. …The invention relates more particularly to a process for the preparation of adipic acid by a reaction of water and carbon monoxide with at least o...
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JPH07308136A |
PURPOSE: To prepare the cultured laver disease injury-controlling agent containing glutaric acid as an active ingredient and capable of simultaneously performing the control of various algae such as green laver and the control of adhered...
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JPH07509686A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
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JPH07509650A |
PCT No. PCT/EP93/01972 Sec. 371 Date Apr. 19, 1995 Sec. 102(e) Date Apr. 19, 1995 PCT Filed Jul. 23, 1993 PCT Pub. No. WO94/02245 PCT Pub. Date Feb. 3, 1994New titanium zeolite Beta catalysts which have been found to be useful as catalys...
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JPH0794463B2 |
Disclosed is a crystalline compound and a method for forming the compound having a chemical composition expressed, in terms of molar ratios, by the formula: M.n[R(COOH)x] wherein M is aluminum hydroxide, n is the number of moles of a car...
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JPH07258149A |
PURPOSE: To carry out inexpenslve production of 2-methylsuccinic acid which is useful as a starting substance for fiber, lubricant or the like or as an additive from a readily available starting substance by subjecting an alkyl methacryl...
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JPH07258148A |
PURPOSE: To enable easy production of 3-methylglutaric acid which is a main starting material for nylon from methyl-pentanediol or the like, a readily available substance, in an industrial scale by oxygen-oxidizing the substance in the p...
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JPH0780806B2 |
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JPH0780807B2 |
PCT No. PCT/EP85/00288 Sec. 371 Date Feb. 21, 1986 Sec. 102(e) Date Feb. 21, 1986 PCT Filed Jun. 15, 1985 PCT Pub. No. WO86/00298 PCT Pub. Date Jan. 16, 1986. (I') (II) alpha , omega -dicarboxylic acids having the general formula (I') in...
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JPH0780762B2 |
A novel class of compounds has been found to be effective in blocking cholesterol and neutral lipid synthesis in-vivo without adversely affecting energy metabolism. The active compounds have the general formula (I) or in-vivo hydrolysabl...
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JPH07507556A |
Disclosed is a method for the simultaneous preparation of dicarboxylic acids and diamines from (a) polymers based on polyamides made by reacting dicarboxylic acids or derivatives thereof with diamines or (b) compounds containing essentia...
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JPH07507598A |
The invention concerns the electrochemical preparation of dicarboxylic acids by subjecting an aqueous solution containing essentially the alkali-metal salt of a dicarboxylic acid of the general formula (I): HOOC-(CH2?)n?-COOH, in which n...
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JPH07507555A |
Disclosed is a method for the simultaneous preparation of dicarboxylic acids and diamines from (a) polymers based on polyamides made by reacting dicarboxylic acids or derivatives thereof with diamines or (b) compounds containing essentia...
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JPH0778034B2 |
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JPH07206768A |
PURPOSE: To obtain the subject compound useful as an intermediate for medicines, liquid crystalline substances, etc., by hydrogenating itaconic acid (derivative) in the presence of a 2,2"-bis(1-(hydrocarbon residue-substituted) phosphine...
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JPH07189098A |
PURPOSE: To obtain nonwoven fabric of a thermoplastic polymer readily degradable in a natural environment, making a safe degradation product not destructing a natural environment by using a polymer prepared by directly condensing a polyh...
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JPH0761972B2 |
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JPH07149686A |
PURPOSE: To isomerize a saturated carboxylic acid by heating a saturated alkyl carboxylic acid having a hydrogen at the β-C in a solvent in the presence of an iodide- or bromide-promoted rhodium catalyst and carbon monoxide. CONSTITUTIO...
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JPH0745401B2 |
Dermatoses involving nonacne inflammatory dermatoses, infectious cutaneous diseases, and hair loss resulting from inflammation or hormonal anomalies are treated with dicarboxylic acids containing 7 to 13 carbon atoms, or certain mercapto...
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JPH0742237B2 |
C4-plus feed paraffinic hydrocarbons (8) are dehydrogenated (9) to yield an olefin-containing vapor stream (10), which is partially condensed (6, 11) to produce a liquid phase process stream (14) which contains by-product diolefins along...
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JPH0733348B2 |
This invention relates to pharmaceutical compounds of structural formula (I): and compositions and methods of treatment utilizing these compounds to inhibit farnesyl protein transferase and farnesylation of the oncogene protein Ras.
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JPH0789897A |
PURPOSE: To industrially obtain the subject compound selectively and in high efficiency by optical resolution of (±)-α-methylsuccinic acid. CONSTITUTION: Optically active (1S, 2S)-(±)-2-amino-1-phenyl-1,3-propanediol is made to act on...
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JPH07502991A |
A method of imaging a corporeal situs by radiological techniques, comprising delivery to the corporeal situs of an imagingly effectively amount of a physiologically acceptable composition comprising a boron reagent. A variety of illustra...
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JPH0769971A |
PURPOSE: To obtain a cross-shaped new compound useful as a synthetic raw material, etc., for high polymer compound, medicines and agrochemicals, having good symmetric property and crystallinity and capable of readily converting into an i...
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JPH07502035A |
A method of preparing carboxylic acids or esters thereof by the oxidative cleavage of unsaturated fatty acids or esters thereof is carried out in a two-phase aqueous-organic system in which the organic phase contains the unsaturated fatt...
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JPH0714814B2 |
Process for the manufacture of ammonium rare-earth oxalate. More particularly, a process for the manufacture of an ammonium rare-earth oxalate by conversion of a neutral oxalate in the presence of oxalate and ammonium ions. The product o...
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JPH0713076B2 |
There are described novel chiral rhodium-diphosphine complexes of the formula [Rh (X) (Y) (L0,1,2)]1,2 I wherein X, which may be fixed to a carrier, is Z-COO-, wherein Z is perfluorophenyl, perfluorobiphenyl or a residue of the formula a...
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JPH07501345A |
A method for making a valproic acid derivative comprising a functionalized spacer arm attached to a delta carbon atom of a valproic acid molecule is disclosed. The method proceeds by attaching a spacer arm joined to an inorganic moiety t...
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JPH0725815A |
PURPOSE: To provide an industrially inexpensive production process for very useful aliphatic dicarboxylic acids such as succinic or glutaric acid by fixing oxygen efficiently. CONSTITUTION: The liquid-phase oxidation of a cycloalkyl-subs...
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JPH0717895A |
PURPOSE: To obtain adipic acid or pentenoic acid by isomerizing or dehydrocarboxylating a compound which is commercially less desired. CONSTITUTION: By mixing and reacting branched 6 carbon diacids, 5 carbon lactones, 6 carbon diacid deh...
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