Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 249 - Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton
Patents for C07C 249 - Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton (3,537)
09/1991
09/11/1991EP0445483A1 Catalytic oxidation of hydroxy containing aromatic compounds
09/11/1991CN1013860B Ether isonitriles and radiolabeled complexes thereof
09/09/1991CA2023566A1 Preparation of a n-substituted phenylenediamine
08/1991
08/21/1991EP0442584A1 Process for the preparation of an optically active amino acid amide
08/20/1991US5041652 Method for the preparation of a catalyst for the ammoximation of carboxylic compound
08/20/1991US5041648 Phenylhydrazones of β-ionone
08/20/1991CA1287837C Herbicidal acylamino 5-mesityclclohexane-1,3-dione
08/13/1991US5039805 Novel benzoic and phenylacetic acid derivatives
07/1991
07/31/1991EP0439129A2 Optically active isoxazole derivatives and intermediates for preparation thereof as well as processes for producing the same
07/09/1991US5030755 Insecticides, miticides
07/03/1991EP0435687A2 Process for isomerization of oxime ethers
06/1991
06/26/1991EP0433880A1 Process for reprocessing aqueous mother liquors containing hydrochloric acid, sulphuric acid and their hydroxylammonium and ammonium salts
06/25/1991US5026911 Process for oxidizing saturated primary amines to oximes
06/11/1991US5023379 Process for the preparation of hydroxyamines
06/04/1991US5021080 Herbicidal substituted 4-amino-5-alkylthio-1,2,4-triazol-3-ones
05/1991
05/08/1991EP0425948A2 Halogenated sulfonylaminocarbonyl-triazolinones
04/1991
04/23/1991US5010161 Of poly (phenylenebisalkylene) poly (phenylamine) with aldehyde, regenerated under hydrolysis, for use in moisture curable polyurethanes
04/18/1991DE4031093A1 Prepn. of o-alkyl-oxime cpds. - synthetic intermediates by electrochemical oxidn. of o-alkyl hydroxylamines
04/16/1991CA1283128C Process for the preparation of hydroxyamines
03/1991
03/27/1991EP0418939A1 Preparation of 9,9-bis(aminophenyl)fluorenes or 9-phenylimidofluorenes
03/26/1991US5003067 Pyridazinone manufacture
03/20/1991EP0417167A1 Process for the synthesis of o-substituted oxime compounds
03/19/1991CA1281731C Process for production of oxime derivatives
03/13/1991EP0416857A2 Process for producing 4-halogeno-2-alkoxyimino-3-oxo fatty acid
03/05/1991CA2024456A1 Process for producing 4-halogeno-2-alkoxyimino-3-oxo fatty acid
02/1991
02/26/1991CA2023957A1 Cyclic ketone derivatives and pharmaceutical compositions containing same as well as a process for their preparation
02/26/1991CA1280768C2 Cyclohexane 1, 3-dione derivatives
02/19/1991US4994613 Process for preparing 4-hydroxyacetophenone oxime with mother liquor recycle
02/05/1991US4990625 Process for synthesis of N,N-disubstituted hydrazone
01/1991
01/15/1991US4985596 From phenoxyacetaldehyde dialkyl acetal and a hydroxylamine
01/15/1991CA1279068C Catalytic process for the manufacture of oximes
12/1990
12/27/1990EP0403618A1 Methyl esters of aldimino- or ketimino-oxy-ortho-tolylacrylic acid, manufacturing process and fungicides containing them.
12/20/1990DE3917835A1 3,3,3-Tri:fluoro-alanine prodn. from tri:fluoro-pyruvic acid and amide - dehydrating product to acyl-imine, reaction with tin chloride, then hydrolysing and new process intermediates, useful as enzyme inhibitor
11/1990
11/28/1990EP0399866A1 Process for the synthesis of azines, its application in the production of hydrazine
11/22/1990EP0398692A2 Alkoxyiminoacetamide derivatives and their use as fungicides
11/22/1990DE3916527A1 Prepn. of O-substd. phenoxy-benzaldoxime derivs. - useful as herbicides and plant growth regulators, by reacting phenoxy-benzyl halide with O-substd. hydroxylamine
11/06/1990US4968843 Preparation of a N-substituted phenylenediamine
11/06/1990US4968842 Ammoxidation; catalyst of silica and titanium oxide
10/1990
10/31/1990EP0395046A2 Process for oxidizing saturated primary amines to oximes
10/27/1990CA2015522A1 Process for oxidizing saturated primary amines to oximes
10/10/1990EP0391187A2 Substituted 4-amino-5-alkylthio-1,2,4-triazol-3-ones
09/1990
09/25/1990CA1274544A1 Process for the selective hydrogenation of unsaturated compounds
09/19/1990EP0387499A2 Substituted oxine ethers and their use as pesticides
08/1990
08/29/1990EP0384390A1 Catalytic process for the preparation of oximes
08/21/1990US4950790 Chemical vapor deposition on films; electronics
08/16/1990EP0382075A2 Phenyl hydrazones of beta-jonones, their preparation and pharmaceutical and cosmetic compositions prepared therefrom
08/10/1990CA2007933A1 Phenylhydrazones of b-ionone, the preparation thereof and drugs and cosmetics prepared therefrom
07/1990
07/25/1990EP0379059A1 Dihydroxybenzophenone oximes, their preparation and rearrangement to the anilide
07/17/1990CA2007806A1 Dihydroxybenzophenone oximes, their preparation and rearrangement to the anilide
07/12/1990WO1990007493A1 Methyl esters of aldimino- or ketimino-oxy-ortho-tolylacrylic acid, manufacturing process and fungicides containing them
07/03/1990US4939142 Substituted styrene derivatives
06/1990
06/29/1990CA2005345A1 Derivatives of acrylic acid
06/28/1990WO1990006913A1 Explosion-proof 1-dimethylamino-3-dimethylimino-2-arylprop-1-ene salts, process for their preparation, and their use
06/28/1990DE3842062A1 Explosionssichere 1-dimethylamino-3-dimethylimino-2-arylpropen-1-salze, verfahren zu ihrer herstellung und ihre verwendung Explosion-proof 1-dimethylamino-3-dimethylimino-2-arylpropen-1-salts, processes for their preparation and their use
06/27/1990EP0375318A2 Polyaldimine derivatives
06/21/1990CA2006080A1 Polyaldimine derivatives
06/20/1990EP0373998A1 Propenone oxime ethers, method for their preparation and pharmaceutical compositions containing them
06/20/1990EP0373513A2 Fluorinated beta-ketoimines and beta-ketoiminato metal complexes
06/14/1990CA2005330A1 Explosion-proof 1-dimethylamino-3-dimethylimino-2-aryl-1-propene salts, processes for their preparation and their use
06/13/1990EP0372486A2 Benzoic-acid phenylacetic-acid derivatives, their preparation and their use as medicines
06/13/1990CN1042900A Fungicides
06/12/1990US4933486 Solvent-free halogenation of 3-oxo-2-alkoxyimino-butyric acid ester
06/12/1990CA2004639A1 Fluorinated beta-ketoimines and beta-ketoiminato metal complexes
06/05/1990US4931592 Washing with controlled ph aqueous ammonium sulfate
05/1990
05/30/1990EP0370629A1 Fungicides
05/30/1990EP0370329A1 Method for modifying the storability of molten cyclohexanone oxime
05/29/1990US4929756 Process for preparing oximes
05/23/1990EP0369297A1 Volatile fluorinated beta-ketoimines and associated metal complexes
05/22/1990US4927964 Hydrolysis of ester
05/03/1990WO1990004584A1 Novel o-(3-amino-2-hydroxypropyl)-hydroximic acid halides and process for preparing the same
05/01/1990US4922017 Process for production of aromatic aldoximes
03/1990
03/21/1990EP0359435A2 Pyridazinone manufacture
03/07/1990EP0357310A1 Process for producing substituted phenoxyethylamines and intermediates
03/06/1990US4906768 Process for production of oxime derivatives
01/1990
01/25/1990WO1990000542A1 Process for the production of anhydrous oxime from an aqueous solution
01/16/1990US4894478 Process of producing ketoximes
01/10/1990CN1038637A Process for preparing 2-oxyimino-3-oxobutanoic acid
12/1989
12/28/1989WO1989012623A1 Process for production of aromatic aldoximes
12/27/1989EP0347926A2 Catalytic process for the manufacture of oximes
12/20/1989EP0346674A1 Process for preparing oximes
12/12/1989US4886913 Process for preparing 2-methyl-2-(methylthio) propionaldehyde O-(methylcarbamoyl) oxime as a water-wet cake
11/1989
11/30/1989WO1989011473A1 Process for the synthesis of o-substituted oxime compounds
11/28/1989CA1263408A1 Catalytic process for preparing cyclohexanone-oxime
11/08/1989EP0341015A2 Improved process for preparing a ketimine
11/02/1989DE3827846A1 Process for the preparation of cyclopropylamines
10/1989
10/25/1989CN1036563A Process for preparing 4-halo-3-oxo-2-alkoxyimino butanoic acid ester
10/11/1989EP0336202A1 Process for the preparation of 4-halo-3-oxo-2-alkoximinobutyric acid esters
10/10/1989US4873369 Purification of cyclohexanone oxime containing ammonium sulfate
10/03/1989US4871873 Oxidation of arylmethylketones with dimethyl sulfoxide in hydrobromic acid; reacting with aromatic amine
09/1989
09/26/1989US4870100 Insecticides
09/20/1989EP0333265A2 Process for synthesis of arylglyoxal arylimines
09/19/1989US4868334 Process for the production of anhydrous oxime from an aqueous solution
09/19/1989CA1259629A1 Process for the synthesis of o-substituted oxime compounds and the conversion thereof into the corresponding hydroxylamine o-substituted compounds
09/13/1989EP0332076A2 Cyclohexenone compounds, process for their preparation and their use in combating unwanted plant growth
09/05/1989US4863926 Anticoagulants, hypotensive agents
08/1989
08/23/1989EP0329416A2 Process for preparing 4-hydroxyacetophenone oxime with mother liquor recycle
08/16/1989CN1034709A Process for preparing substituted styrene derivatives
08/08/1989US4855500 Process for preparing a ketimine
07/1989
07/26/1989EP0325183A2 Method for the production of 2-oxyimino-3-oxobutyric acids
07/12/1989CN1033798A Novel imidate insecticides
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