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Matches 801 - 850 out of 1,702

Document Document Title
JP2001510176A
The present invention relates to processes for the preparation of oxo products by the hydroformylation of substrates having C=C double bonds using unmodified rhodium catalysts in a reaction mixture essentially consisting of the substrate...  
JP3194051B2
PURPOSE: To safely perform catalytic dehydrogenation at a low cost without using conventional catalyst by utilizing a hydrogenstorage alloy having high reactivity. CONSTITUTION: An organic compound having hydroxyl group is brought into c...  
JP2001192383A
To asymmetrically dihydroxylate, oxyaminate or diaminate olefins or alkenes, having or not having an adjacent foreign atom-containing functional group by using an osmium catalyst method. This dihydroquinine ester or dihydroquinidine este...  
JP2001190947A
To provide a method capable of improving the multi-phase reaction performance in the case of a critical phase combination based on the reverse flow principle. The method is a method for performing a multi-phase reaction in a continuous o...  
JP2001192354A
To provide a method capable of producing a β-acyloxycarboxylic acid or a β-acylcarboxyketone under mild conditions from readily available raw materials. An alcohol represented by formula (2) is reacted with an α,β-unsaturated carbony...  
JP2001508772A
A subject of the present invention is a process for the reduction of a carbonyl compound. More precisely, the invention relates to a process for reduction of an aldehyde and/or of a ketone. The reduction process of the invention, which c...  
JP3174479B2
PURPOSE: To obtain the subject adduct in high catalytic activity with a small amount of a used catalyst in a short time and inexpensively by using the specific catalyst, reacting an active hydrogen-containing organic compound with an alk...  
JP3168079B2
PURPOSE: To provide a process for producing a 2-alkylformylimidazole in high yield using a catalyst easily handleable in industrial process. CONSTITUTION: A 2-alkylformylimidazole is produced by the catalytic oxidation of a 2-alkyl-4(or ...  
JP3169040B2
PURPOSE: To provide a high activity and high selectivity catalyst for a fluidized bed using titanium oxide as the carrier and having satisfactory strength and moderate bulk density. CONSTITUTION: This fluid catalyst contains titanium oxi...  
JP3159661B2
To obtain subject compound useful as a synthetic intermediate for medicines, etc., highly efficiently, by subjecting an acetylene bond-containing carbonyl compound to hydrogen transfer type asymmetric reduction in the presence of a hydro...  
JP3157180B2
PURPOSE: To provide the subject reagent which consists of specific magnesium benzyl fluoromalonate, allows the introduction of fluoromethyl group into the carbon of a carbonyl group and yields fluoromethyl ketone at a high yield by react...  
JP3153540B2
An osmium-catalyzed method of addition to an olefin. In the method of asymmetric dihydroxylation of the present invention, an olefin, a chiral ligand, an organic solvent, water, an amine oxide, an osmium-containing compound and, optional...  
JP2001072627A
To form an acetal compound, a carbonyl compound, etc., by bringing an ether into contact with nitrogen monoxide in a specific ratio in the presence of a specific oxidation catalyst so as to readily and efficiently oxidize the subject com...  
JP2001502310A
A process for the alkylation of aromatic substrates under supercritical or near-critical reaction conditions is described. In particular, a method for performing Friedel-Crafts alkylation reactions is disclosed under those conditions. Fr...  
JP3130394B2
PURPOSE: To selectively obtain an ether compound in high yield by an intramolecular or intermolecular solid phase etherification of a diol derivative or by an intermolecular solid phase etherification of a diol derivative with another al...  
JP2001026566A
To provide a method for catalytically performing multiphase reaction in a tubular reactor by a suitable method for e.g. hydroformylation of an olefin by including a catalyst in a continuous phase and an adduct in a disperse phase, and sp...  
JP2001019660A
To provide a method for performing multiphase reaction especially suitable for producing a vinyl ester by catalytically reacting a carboxylic acid with acetylene.When performing catalytic multiphase reaction in a tubular reactor, a catal...  
JP3121805B2
To convert a carbonyl compound into a corresponding optically active alcohol in an excellent stereoselectivity or stereospecificity by reacting a carbonyl compound with a Meerwein.Ponndorf.Verley intermediating substance. A compound havi...  
JP2001002614A
To obtain an alkene compound in an improved and generally utilizable way by reacting an organic compound having at least one amino group, hydroxyl group and/or nitrile group with a compound having at least one acetylene group.The objecti...  
JP3116747B2  
JP2000297054A
To recover DCC[di(chlorodimethyl)cyclohexane] and/or TCC[tri(chlorodimethyl)cyclohexane] of chlorinated aromatic compounds from solvents in a convenient operation and to avoid the problem such as the corrosion of an equipment due to the ...  
JP3099980B2
An allylation reactant and a process of synthesis employing this reactant. This reactant is characterised in that it comprises: - an aqueous phase; - an allyl alcohol or one of its derivatives; - a catalyst containing at least one elemen...  
JP3097281B2  
JP2000256272A
To obtain the subject new compound being a reagent for introducing a fluoromethyl group or -CH2F to a carbon atom of carbonyl in an organic substance structure, comprising a specific magnesium fluoromalonate. This compound is shown by th...  
JP2000254512A
To obtain a solid acid catalyst having high activity and no corrosiveness. Silicate having meso pores and containing gallium (solid acid catalyst) is obtained by using 8-30C alkyltrimethylammonium as a template to introduce gallium into ...  
JP2000256261A
To produce an ester useful as industrial chemicals, medicaments, perfume, dye, an organically synthetic intermediate or the like in a good yield in one step by reacting a specific carbonyl compound with a specific oxime ester or a specif...  
JP2000512308A
The present invention concerns a process for acylation of an aromatic compound.The acylation process of the invention consists of reacting the aromatic compound with an acylation agent in the presence of a zeolitic catalyst, and is chara...  
JP2000247915A
To provide a method for efficiently and economically producing an alcohol. This method for producing an alcohol by reacting an aldehyde, a ketone or a fatty acid ester with hydrogen comprises using a modified sponge copper catalyst obtai...  
JP2000226339A
To oxidize a substrate high in reaction rate, selectivity and conversion rate by oxidizing the substrate containing methyl, methylene or methine group in the presence of a catalyst system consisting of a specific imide compound and a met...  
JP2000510452A
The invention relates to a novel process for producing thereof hydroxyarenes of the general formula (I)in whichn represents the numbers 1, 2, 3 or 4,R represents cyano, carboxyl, formyl, nitro, halogen or represents alkyl, alkoxy, alkylt...  
JP3069677B2  
JP2000191554A
To provide an industrial method for producing the subject acrylic acid derivative which is economically excellent, capable of selectively and highly efficiently obtaining in high yield by reacting a specific ketoester derivative with a s...  
JP2000508677A
Battery has an electrolyte comprising a solvent and a salt (I) comprising a hydroxonium, nitrosonium, ammonium, metal, organic or organometallic cation and a 5-membered (hetero)cyclic anion. Battery has an electrolyte comprising a solven...  
JP2000191632A
To obtain a new compound useful as an acylating agent for producing trishaloacetyltrifluoromethane-based acyl compounds. A compound of the formula: CF3SO3C(O)C(CH2X)3 (X is a halogen). For example, 1,1,1-tris(chloromethyl)acetyltrifluoro...  
JP2000159707A
To efficiently carry out hydroformylation by reacting a raw material comprising compounds having a single ethylenically unsaturated group with carbon monoxide and hydrogen in the liquid phase in the presence of a catalyst system comprisi...  
JP2000159693A
To provide a method for oxidizing especially a double bond part of an organic compound having the double bond by utilizing inexpensive readily available molecular oxygen and hydrogen peroxide in combination.An organic compound having a d...  
JP3034086B2
PURPOSE: To selectively produce an optically active ether by dehydration reaction using an optically active alcohol as a raw material. CONSTITUTION: At least one kind of secondary or tertiary optically active alcohol is subjected to dehy...  
JP3028432B2
Alkylene oxide adducts of organic compounds having active hydrogen atoms are prepared by a process which comprises contacting and reacting an alkylene oxide reactant comprising one or more vicinal alkylene oxides with an active hydrogen ...  
JP3025533B2
PCT No. PCT/EP91/01050 Sec. 371 Date Dec. 15, 1992 Sec. 102(e) Date Dec. 15, 1992 PCT Filed Jun. 6, 1991 PCT Pub. No. WO91/19559 PCT Pub. Date Dec. 26, 1991.Process for carrying out an equilibrium reaction in which one or more products a...  
JP3016440B2
Acylation or sulphonylation of aromatic compounds, one of which is selected from aromatic carboxylic and sulphonic acids and esters and anhydrides thereof, using an aluminosilicate catalyst having acidic sites.  
JP3014782B2  
JP2000053592A
To provide an acylation method capable of being carried out without using an organic solvent. This acylation method comprises acylating the amino group of an amine compound of general formula I: Ar-NH2 (Ar is an aryl group or an aromatic...  
JP2000502077A
PCT No. PCT/EP96/05457 Sec. 371 Date Jun. 15, 1998 Sec. 102(e) Date Jun. 15, 1998 PCT Filed Dec. 6, 1996 PCT Pub. No. WO97/21648 PCT Pub. Date Jun. 19, 1997A process for the catalytic addition of nucleophilic agents to alkynes or allenes...  
JP2000053591A
To provide an acylation method capable of being carried out without using an organic solvent. This acylation method comprises acylating the amino group of an amine compound of general formula I: Ar-NH2 (Ar is an aryl group or an aromatic...  
JP3010793B2  
JP2000501696A
PCT No. PCT/GB96/01607 Sec. 371 Date Nov. 12, 1997 Sec. 102(e) Date Nov. 12, 1997 PCT Filed Jul. 4, 1996 PCT Pub. No. WO97/03033 PCT Pub. Date Jan. 30, 1997A process for preparing an aldehyde or ketone comprising reacting a primary or se...  
JP3010076B2
Compounds of the formula I can advantageously be prepared by reacting compounds the formula II II in which the substituents R1-R4 have the meanings given, with the anhydride of the formula III III in the presence of dimethyl sulfoxide an...  
JP2000033265A
To obtain a catalyst which is applied to selective oxidation photocatalytic reaction, especially oxygen addition reaction of olefin and is highly active and has good efficiency capable of obtaining the aimed product with high selectivity...  
JP2000026440A
To obtain propylene oxide, etc., in high yield and selectivity by bringing an olefin-based compound into contact with an epoxidizing agent in the presence of a crystalline titanostannosilicalite molecular sieve. The carbon-carbon double ...  
JP2000500480A
PCT No. PCT/FR96/01854 Sec. 371 Date Feb. 22, 1999 Sec. 102(e) Date Feb. 22, 1999 PCT Filed Nov. 22, 1996 PCT Pub. No. WO97/19038 PCT Pub. Date May 29, 1997The subject-matter of the present invention is a process of use in perfluoroalkyl...  

Matches 801 - 850 out of 1,702