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JPS616804B2 |
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JPS6117551A |
The invention relates to a method for opening the ring of gem dicyanepoxides comprising reacting a gem dicyanepoxide with a mononucleophilic compound in the presence of a hydrohalic acid or a weakly nucleophilic acid.
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JPS6117568A |
The invention relates to a method for opening the ring of gem dicyanepoxides comprising reacting a gem dicyanepoxide with a mononucleophilic compound in the presence of a hydrohalic acid or a weakly nucleophilic acid.
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JPS6112295A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6050181B2 |
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JPS6049181B2 |
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JPS6049179B2 |
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JPS6049182B2 |
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JPS6044305B2 |
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JPS6039666B2 |
Highly hindered aromatic secondary amines are reacted with organic carbonates of at least one primary alcohol to produce tertiary amines. The alkylation of such secondary amines with dialkyl carbonates in which at least one of the alkyl ...
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JPS6039044B2 |
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JPS60163826A |
The instant invention relates to a process for the preparation of formamides in which ammonia, a primary or a secondary amine is reacted with carbon monoxide at an elevated temperature and pressure in the presence of a mixture consisting...
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JPS60158118A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS60149532A |
A process for the production of (1) an ether or (2) a second amine comprises reacting an activated olefin with respectively an alcohol or first amine in the presence of a catalyst which is either (a) an amidine or (b) a Lewis base and ep...
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JPS6027662B2 |
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JPS60112749A |
A process for the pyrolysis of mono-, di-, and polyurethanes to the corresponding mono-, di-, and polyisocyanates wherein the urethane to be cleaved is heated under pressure and sprayed through a nozzle into a pyrolysis chamber maintaine...
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JPS6011021B2 |
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JPS6011020B2 |
PURPOSE:To prepare a tertiary amine without reducing the catalytic activity and selectivity, by reacting a mono- or polyhydric alcohol, an aldehyde or a ketone with a cyclic amine or an aliphatic oxyamine in the presence of particular co...
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JPS609730B2 |
An improved synthetic process for the removal of an allyl group in an allylic ester or an allyloxycarbonyl group in an allylic carbonate or carbamate by reaction with 2-ethylhexanoic acid or an alkali metal salt thereof and a catalytic a...
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JPS606924B2 |
Organonitrogen compounds bearing a labile hydrogen atom directly bonded to a reactive nitrogen function, e.g., nitrogen heterocycles or substituted anilines, are N-alkylated with an N-alkylating agent in the presence of inorganic base an...
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JPS6023329A |
PURPOSE: To obtain a carboxylic acid derivative under extremely mild condition, by reacting a carbonyl compound with a thiazolium salt in the presence of a compound having isoalloxazine skeleton, and reacting the produced active acyl com...
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JPS59231028A |
1. A process for the cleavage of a phthalimide of the formula I see diagramm : EP0127114,P4,F2 where R is an optionally substituted aryl or hetaryl, wherein a compound of the formula I is treated with an alkanolamine.
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JPS5953257B2 |
Nitrated derivatives of N-methylphthalimide can be obtained by contacting N-methylphthalimide dissolved in concentrated sulfuric acid with concentrated nitric acid at a temperature from about 60 DEG -80 DEG C., and thereafter extracting ...
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JPS5953258B2 |
1511345 Manufacture of nitrated aromatic compounds GENERAL ELECTRIC CO 20 May 1975 [8 July 1974] 21479/75 Heading C2C A process for making selected mononitro and dinitro aromatic compounds comprises contacting an aromatic compound select...
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JPS5949205B2 |
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JPS59204156A |
PURPOSE: To obtain an acylated substance useful for synthesizing peptides, etc., by mixing a novel o-hydroxy-substituted aromatic oxime ester capable of exhibiting excellent activity as an acylating agent with an amine substance, and rea...
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JPS5944303B2 |
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JPS5942664B2 |
Amines, which may be utilized in various chemical processes, may be prepared in a combination process wherein the product mixture resulting from the dehydrogenation of a paraffin feed stock may be reacted with a nitrogen-containing compo...
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JPS5940823B2 |
The technical problem of preparing amino acids from carbamyl derivatives thereof is solved by reacting such a derivative, which may have been converted to a salt, with an oxidising agent such as nitrous acid in the presence of a cation r...
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JPS5940142B2 |
An improved process is described for the reaction of an isocyanate (mono or poly) with a carboxylic acid or anhydride (mono or poly) to form the corresponding imide, amide or amide-imides. The improvement lies in using as the catalyst th...
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JPS5936899B2 |
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JPS5931487B2 |
Process for the preparation of nucleophilically ring-substituted aromatic compounds from an aromatic-thallium (III) metallate is provided in which the aromatic-thallium (III) metallate is contacted with a source of the nucleophile to for...
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JPS5929614B2 |
1478338 Catalytic oxidation of di- and triarylmethanes BASF AG 9 July 1974 [10 July 1973 7 June 1974] 30294/74 Addition to 1395627 Heading C4P In a process for the preparation of di- and triarylmethane dyes by the catalytic oxidation of ...
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JPS5929045B2 |
1460781 Reduction SNAMPROGETTI SpA 9 April 1974 [13 April 1973] 15781/74 Headings C2C and C2P The invention comprises a process for converting by hydrogen transfer a prochiral or racemic starting material to an optically active product, ...
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JPS5925781B2 |
Prepn. of herbicidal cpds. of formula (I) (where Y is 1-4C alkyl, halogen CF3; Z is H, halogen; 1-4C alkyl opt. substd. by one halogen or 1-4C alkoxy; 1-4C alkoxy; Ra is 1-6C alkyl, 4-6C cycloalkyl, 1-4C alkoxy - 1-4C alkyl; Rb is H or o...
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JPS5921859B2 |
A reactor for nitration of saturated hydrocarbons having less than five carbon atoms, alone or in admixture, in the gaseous phase under pressure is made up of a reaction enclosure, in which a tube or pipe bank is in contact with a heated...
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JPS5956588A |
A streamline flow of aqueous cobalt (II) sulphate solution passes through a platimum tube which, as an anode, electrolyses the solution to cobalt (III). The flow, with a high surface concentration of nascent cobalt (III), falls into a vo...
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JPS5946231A |
Deacylation of Amides by the iminohalide iminoether process using long-chain bases.
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JPS58219126A |
Nitration of organic compounds and organic nitrogen compounds produced. Organic nitrogen compounds are formed in the vapor phase by organic radical formation by reaction of an organic compound with hydroxyl radicals derived from the reac...
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JPS5850981B2 |
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JPS58152846A |
PURPOSE: To prepare the titled compound useful as a synthetic intermediate of α-amino acid, etc., in high yield, by reacting an organic halide with a secondary amine and carbon monoxide in the presence of a catalyst. CONSTITUTION: The ...
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JPS58122040A |
In the new shaped articles a hollow space or a lumpy inorganic base material is surrounded by a porous silica-containing layer. They can be prepared by applying silica sol or a mixture containing water, silica sol and/or waterglass and, ...
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JPS5833203B2 |
This invention relates to a novel carbamoylation method for the preparation of phenolic N-disubstituted carbamate esters, and novel compounds in said method. Phenolic carbamate esters are useful for various purposes, for instance as phar...
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JPS5827260B2 |
Nitroderivates of aromatic compounds which are difficult to nitrate, can readily be obtained by nitration providing that the aromatic compound is treated with nitric acid or another nitrating agent in the presence of aliphatic or cycloal...
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JPS5821908B2 |
Process for the preparation of pure aromatic o-hydroxy-carboxylic acid aryl amides by condensing an aromatic o-hydroxy-carboxylic acid with an aryl amine in the presence of phosphorus chlorides in an organic solvent or diluent, which pro...
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JPS5821616B2 |
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JPS5819667B2 |
1510043 Selective nitration of aromatic compounds AIR PRODUCTS & CHEMICALS Inc 27 April 1976 [2 May 1975] 17117/76 Heading C2C In a process for nitrating an aromatic compound wherein nitric acid is contacted with the compound under condi...
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JPS5755688B2 |
A process of preparing a carboxylic acid amide which comprises reacting (a) an aldehyde with (b) at least one compound selected from the group consisting of ammonia, a primary amine and a secondary amine in the presence of a molecular ox...
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JPS57167736A |
Process for the reactivation of a spent oxidic catalyst suitable for oxidation, ammoxidation and/or oxidative dehydrogenation of olefines and that contains a tellurium oxide and as active components mainly oxides of antimony and/or iron....
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JPS57150622A |
Problems with monitoring chemical reactions in which nitrous gases occur are overcome by measuring the concentration of NOx in a flushing stream which has been passed over the reaction mixture and controlling the reaction in such a manne...
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