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JPH0472822B2 |
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JPH04327565A |
PURPOSE: To profitably obtain a pyridine-carboxylic acid deriv. useful as a synthesis intermediate of a herbicide by allowing an unsatd. carboxylic acid deriv. to react with a hydroxylamine and an α,β-unsatd. carbonyl compd. CONSTITUTI...
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JPH0471908B2 |
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JPH04321659A |
PURPOSE: To obtain N,N-dihydrocarbylhydroxylamine useful as a stabilizer for various polymeric substrates in one stage in an easy and profitable manner by allowing an aldehyde to react with hydroxylamine hydrochloride under conditions of...
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JPH0470308B2 |
A method is provided for enhancing the production rate of arylhydroxylamines by moderated catalytic hydrogenation reactions. Small quantities of acid introduced to the reaction medium doubles the hydrogenation rate of nitroaromatic compo...
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JPH0469626B2 |
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JPH0465829B2 |
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JPH0465061B2 |
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JPH04288046A |
PURPOSE: To obtain unsatd. cyclohexenone oxime ether having a selective herbicidal effect to undesirable grasses even when a relatively small amt. of the compd. is used. CONSTITUTION: This unsatd. cyclohexenone oxime ether is a compd. re...
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JPH0463074B2 |
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JPH04282353A |
PURPOSE: To provide a novel benzopyran analogue having a remakable and durable blood pressure-lowering activity and further having a relaxation activity for vascular smooth muscle and other smooth muscles or a pharmaceutically acceptable...
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JPH0462309B2 |
PURPOSE:In the process for urea synthesis, the temperature in the cooler for absorption of unreacting gas mixture is controlled by using the cooling water of elevated temperature to dry crystalline urea, and feeding cold water and removi...
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JPH0462308B2 |
PURPOSE:To effectilvely utilize waste heat and obtain urea from ammonia and carbon dioxide, by recovering heat generated in compressing carbon dioxide to a pressure for synthesizing the urea with hot water and using the heated hot water ...
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JPH04279544A |
PURPOSE: To provide a new substance of calicheamicinone useful as a DNA cutting agent, antimicrobial agent and cytotoxic (antitumour) agent, its deriv. and analog. CONSTITUTION: The compd. of formula I (R1, R2 are H, a 1 to 6C alkyl, phe...
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JPH04277725A |
PURPOSE:To improve the light transmittability in a short wavelength region and to exhibit a high quadratic nonlinear optical effect by consisting the above material of a specific compd. CONSTITUTION:An optical fiber type optical waveleng...
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JPH0460463B2 |
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JPH0460464B2 |
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JPH0460461B2 |
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JPH0460106B2 |
PURPOSE:To calculate urea concentration from the crystallization temperature and suppress the amount thereof to a given value or below, by introducing partially an absorbing solution obtained by absorbing a mixed gas separated from a ure...
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JPH0460105B2 |
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JPH0458456B2 |
A process for the preparation of a compound according to claim 1, comprising reacting a compound of the formula in which R3, R4 and R5 each independently is CH3 or CH2Cl, at least one of the radicals R3, R4 and R5 being CH2Cl, with a met...
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JPH0458479B2 |
A novel process for the preparation of a 16-imino-17-aza-steroid of the formula I wherein A is selected from the group consisting of hydrogen and tritium comprising reacting a compound of the formula II wherein A has the above definition...
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JPH0457668B2 |
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JPH0457667B2 |
N-Cyanoacylamide compounds of the formula I (I) wherein R1 is hydrogen, alkyl, cycloalkyl or aryl, R2 is hydrogen or alkyl and R3 is alkylene or arylenealkylene, are prepared by reacting 1 mol of an N-cyanocarboxylic acid amide salt with...
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JPH04234346A |
PURPOSE: To provide a new benzyhydryl derivative useful for treatment of such affections under the influence of calmodulin as angina, ischemia, asthma, gastrointestinal injury. CONSTITUTION: The compound of formula I and its salt which i...
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JPH04225938A |
PURPOSE: To provide a new fluorine-substd.-α-(5-aryloxy-naphthalen-1-yloxy)- propionic acid useful as herbicides. CONSTITUTION: A compound of formula I (R1 is H, F or CN; R2 is H, F or Cl; R3 is F, Cl, CN, CF3 or trifluoromethylsulfonyl...
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JPH04225941A |
PURPOSE: To provide a new cyclohexeneone oxime ether which fulfils herbicidal purposes at a lower application rate than that of the known compounds and has high selectivity. CONSTITUTION: A compound of formula I [R1 is a 1-6C alkyl; A is...
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JPH0450283B2 |
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JPH0450285B2 |
1. Diacrylic and dimethylacrylic acid esters of the general formula see diagramm : EP0104491,P20,F2 where R**1 means an ethylene, propylene, butylene, hexamethylene, phenylene, toluylene, methylene bisphenyl, propylene bisphenyl, cyclohe...
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JPH0450299B2 |
NEW MATERIAL:A compound of formula I (X is halogen or methyl; Y is O or S; R<1> is difluoromethyl or 2,2,2-trifluoroethyl; R<2> is 3-8C alkyl, 3-8C alkenyl or phenyl, etc.). EXAMPLE:1-Ethyl-2-propynyl N-(3-chloro-4-difluoromethoxyphenyl)...
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JPH04224552A |
PURPOSE: To provide a new hydroxylamine compound having strong specific inhibiting activity on the enzyme ornithine decarboxylase, that is, anti-growth property. CONSTITUTION: A compound of formula I [R1 is amino or formula II (R3 is an ...
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JPH0449537B2 |
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JPH0446923B2 |
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JPH0446268B2 |
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JPH0443068B2 |
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JPH0443063B2 |
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JPH0442065B2 |
Quaternary ammonium salts of general formula (I) wherein: R is a saturated or unsaturated, linear or branched alkyl radical of C1 to C8. R' is a saturated or unsaturated, linear or branched alkyl radical of C1 to C12, or a benzyl radical...
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JPH0441140B2 |
Azolyloxy-carboxylic acid N-oxy-amide compound of the formula (I) wherein R is a five-membered hetero-aromatic monocyclic radical which contains an oxygen atom or a sulphur atom and in addition 1 to 3 nitrogen atoms and which is optional...
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JPH0439456B2 |
Production of tertiary aralkyl isocyanates, such as tetramethyl xylylene diisocyanates. by thermal cracking of corresponding olefins and carbamic acid esters at moderate temperatures and in the presence of acid catalyst.
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JPH0439457B2 |
A compound of the formula: wherein R1 is a hydrogen atom or a methyl group, R2 is a lower alkyl group and X is an oxygen atom or a sulfur atom, which is useful as an insecticide.
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JPH0439455B2 |
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JPH0439459B2 |
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JPH0439458B2 |
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JPH04178360A |
PURPOSE: To obtain the title compound which is an intermediate for color- photographic developer, dye, etc., in high selectivity and good yield by reacting N-substituted anilines with an alkylene oxide in the presence of a zinc arylsulfo...
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JPH0438740B2 |
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JPH04178371A |
NEW MATERIAL:A compound expressed by formula I [R1 and R2 are H, alkyl, alkenyl, alkynyl or group expressed by formula II (R5 and R6 are alkyl, etc.; n is 1-4); R3 and R4 are alkyl, alkoxy, halogen, etc.; X is O or S; Z is N or CY4; Y1 t...
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JPH0438739B2 |
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JPH0437826B2 |
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JPH0437842B2 |
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JPH0437073B2 |
Aminobenzamide derivatives of the formula (I)wherein:R1 and R2 each represents a lower alkoxy group,R3 represents a hydrogen atom, a lower alkyl group, a lower acyl group, a lower alkoxycarbonyl group or -R5-S03Z, wherein R5 represents a...
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