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Matches 501 - 550 out of 710

Document Document Title
JP2951746B2  
JP2949923B2
PURPOSE: To obtain an aromatic amino compound useful as pharmaceuticals, agricultural chemicals, dyes, pigments or their intermediates from an aromatic nitro compound in high selectivity and efficiency and high catalytic activity while s...  
JPH11228511A
To provide a method for preparing an optically active aminotetralin-1- one compound having a high optical purity by converting a specific optically active amino acid compound to an acid chloride, subjecting the obtained acid chloride to ...  
JP2936726B2  
JP2932330B2  
JPH11180935A
To obtain a new compound having extremely large ultraviolet absorbing ability, i.e., molecular extinction coefficient in a UV-A region, and useful as an ultraviolet absorber. The objective compound is the compound of formula I (R1 and R2...  
JP2912570B2  
JP2911226B2
The present invention relates to the preparation of aminoalkyl p-hydroxyphenyl ketones. Certain of these ketones are well known as important intermediates in the production of compounds having pharmaceutical activity, for example octopam...  
JP2900565B2  
JP2896946B2  
JP2894366B2  
JP2894804B2  
JP2890859B2  
JP2890858B2  
JP2892526B2  
JP2887833B2
A novel cyclobutenedione derivative prepared in accordance with the following reaction formula, a process for the preparation thereof, and a nonlinear optical element comprising such a derivative are provided: +TR wherein R1 and R2 each ...  
JPH11100345A
To obtain the subject compound that is useful as a pharmaceutical, agrochemical and other chemicals in high yield by reaction of a specific unsaturated ketone with a nucleophilic agent in the presence of a quaternary ammonium salt in an ...  
JPH1192419A
To obtain alkyl (meth)acrylate, formamide, and highly pure carbon monoxide efficiently in a wide range of temperature, by reacting a carboxylic acid amide with an alkyl formate in the presence of a crosslinked anion exchanger having spec...  
JP2860559B2
A diastereoselective process for the preparation of compounds of formula (wherein R and R1 have the meanings reported in the specification and the asterisks show the asymmetric carbon atoms) starting from the corresponding N-protected 2-...  
JP2861274B2
An aminoketone compound of the formula wherein ring A min means a five through eight-membered cyclic group which may be substituted and may contain one or two hetero atom(s) of O, S, N, as the ring-constituents; R<1> min means a hydrogen...  
JPH1149734A
To provide an industrially satisfiable method for producing an aromatic aldehyde, by which the aromatic aldehyde useful as an intermediate for a medicine, a perfume or the like is produced at a high reaction rate in high yield by reactin...  
JPH115771A
To obtain the subject derivative facilitating the isolation of the product and the recovery of a catalyst and useful as an intermediate for synthesizing physiologically active substances by reacting an aldehyde with a primary amine and a...  
JPH10513439A
Pesticidal compounds having general formula (I) or a salt thereof is provided, in which n represents an integer from 0 to 4; m represents an integer 0 or 1; each R independently represents a halogen atom or a nitro, cyano, hydroxyl, alky...  
JPH10338657A
To obtain the subject new compound useful as an organic photoconductor, especially a charge-transferring material for an electrophotographic photoreceptor, electroluminescent element, etc., or a production intermediate for a luminescent ...  
JPH10324670A
To selectively obtain the subject compound useful as an intermediate for microbicides in a high yield by chlorinating with a new chlorinating agent a 5-methylene cyclic carbamate obtained through two simple reaction routes, and subsequen...  
JPH10316637A
To obtain the subject new compound having a specific side chain substituent group, useful as a monomer aromatic condensed polymers excellent in solubility to solvent and photosensitivity. This compound is represented by formula I [(n) is...  
JPH10316636A
To obtain a new compound having a specific side chain substituent group, useful for production of polymers such as polyimide and polyamide to which new physical properties such as solubility to solvents and photosensitivity are imparted....  
JPH10511976A
Pesticidal as a pesticide against whitefly, Lepidoptera and certain fungi is provided of compound of general formula (I) or a salt thereof is provided, in which n represents an integer from 0 to 4; m represents an integer 0 or 1; each R ...  
JP2819826B2  
JP2819827B2  
JP2816002B2  
JPH10287631A
To obtain the subject compound useful as a medicine acting in the stage of a dopaminergic system in Parkinson's disease, disorder of memory and mental disease. This amino compound is shown by formula I ((n) is 0 or 1: Y is H, etc.) in a ...  
JPH10273467A
To obtain a new compound having 17 β-hydroxysteroid dehydrogenase inhibiting activity and useful as an agent for preventing a hormone-dependent diseases. This compound is represented by formula I (R1 and R2 are each H, OH, an alkyloxy, ...  
JP2791732B2  
JP2789735B2
PCT No. PCT/JP90/01488 Sec. 371 Date Jul. 15, 1991 Sec. 102(e) Date Jul. 15, 1991 PCT Filed Nov. 15, 1990 PCT Pub. No. WO91/07371 PCT Pub. Date May 30, 1991.The present invention relates to a method for the preparation of alpha , beta -u...  
JPH10204043A
To simply obtain the subject compound, in a high yield, that is useful as a starting substance for analgesic disease-therapeutic agent by carrying out the Michael addition reaction in an aqueous solution with no use of any organic solven...  
JP2777736B2  
JPH10507192A
Proposed is a process for separating enantiomers from a racemic mixture by countercurrent extraction using at least two substances, one of them a liquid in which the racemic mixture to be separated is present, the other containing a chir...  
JP2765127B2
A process for producing an aromatic amine under moderate conditions is provided where a catalyst higher in activity than conventional catalysts is used. Reduction of an aromatic nitro compound under a CO/H2O system is conducted using a r...  
JP2761955B2
This invention relates to novel derivatives of tetralin, to the processes for their preparation, to their use as aminopeptidase inhibitors and to their end-use application as immunomodulators and as analgesic agents.  
JP2762610B2  
JP2761178B2
PURPOSE: To obtain a acylated aromatic compound in a high purity and in a high yield in a state little in side reactions by reacting an aromatic compound with an acylating agent in the presence of a Lewis acid catalyst in a nitrile solve...  
JPH10130213A
To provide a profitable method for producing 1-amino-2-bromo-4- hydroxyanthraquinone, excellent in operability and washing efficiency, and not causing a problem related to the corrosion of a drying machine and a product-filling machine a...  
JPH10504296A
PCT No. PCT/EP95/03167 Sec. 371 Date Feb. 14, 1997 Sec. 102(e) Date Feb. 14, 1997 PCT Filed Aug. 10, 1995 PCT Pub. No. WO96/05161 PCT Pub. Date Feb. 22, 1996Aromatic aldehydes are prepared by catalytically reacting aromatic carboxylic ac...  
JPH1088168A
To obtain a functional fluid composition excellent in abrasion resistance, extreme-pressure property and adaptability to seal and suitable for internal combustion engines regardless of low phosphorus level by including a specific thiocar...  
JPH1087579A
To obtain the subject compound useful as a dye, a pigment and its intermediate product, by reacting 1-aminoanthraquione with an alkylating agent in the presence of a polyether containing Mn. The 1-aminoanthraquione of formula I {X is H, ...  
JP2736678B2
A compound of general formula in which X<-> represents one equivalent of an anion; R<5> represents a hydrogen atom or a methyl group; each R<4> independently represents a methyl or ethyl group; and each of R<1> , R<2> and R<3> independen...  
JP2730991B2
Preparation of 1-amino-2-chloro-4-hydroxy-anthraquinone (I) …… by chlorination of 1-amino-4-hydroxy-anthraquinone (II) …… which entails carrying out the chlorination in 90 to 100% by weight sulphuric acid or in up to 2% by weight...  
JP2701114B2
PURPOSE: To obtain the subject compound by reducing nitro group of 5'-chloro-3'- nitro-2'-hydroxyacetophenone, returning the pH of the reaction mixture to neutral level or thereabout after the completion of the reduction reaction and con...  
JPH1017520A
To provide a method for formylating an aromatic compound by which a formylation of an aromatic compound is performed to provide an aromatic aldehydes useful as an intermediate for a dye, a medicine or an agrochemical in high yield and hi...  

Matches 501 - 550 out of 710