Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 241 - Preparation of compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
Patents for C07C 241 - Preparation of compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes (2,288)
01/1990
01/10/1990EP0350448A1 Biaryl compounds
01/10/1990EP0350113A1 Liquid crystalline polyesters
01/10/1990EP0350112A1 Polyurethanes prepared from non-linear optical active diols
01/03/1990EP0348766A2 Alpha-arylacrylic-acid esters and fungicides containing same
01/02/1990US4891441 Process for the preparation of polymeric tertiary aralkyl isocyanates from 1,3- or 1,4-bis(1-chloro-1-methylethyl)benzene
12/1989
12/27/1989CN1038277A Synthesis of n-t-alkyl-1,2-diacylhydrazines
12/26/1989US4889656 Surfactants
12/20/1989EP0347216A2 Insecticidal N'-substituted-N-alkylcarbonyl-N'-acylhydrazines and N'-substituted -N-acyl-N'-alkylcarbonyl hydrazines
12/19/1989US4888125 Bis(isocyanatophenoxy)alkanes produced by phosgenation of corresponding amines
12/13/1989EP0345747A2 Tricyclic compounds
12/13/1989CN1037899A Improved preparation of 3,3-diphenylacrylic acid amides
12/12/1989US4886902 Process for the preparation of isocyanates and their use for the preparation of polyisocyanates containing ester groups
12/12/1989US4886823 Furazanylurea acaricides
12/06/1989EP0217240B1 Chiral esters of mesogenic-carboxylic acids, process for their preparation and their use as doping agents in liquid crystal phases
11/1989
11/29/1989EP0343743A2 Improved preparation of 3,3-diphenylacrylic acid amides
11/29/1989EP0343441A2 Fluorinated bis-aryloxy-substituted alkenes, method for their production an their application
11/28/1989US4883909 Liquid diphenylmetane diisocyanate compositions
11/21/1989CA1263116A1 Aliphatic isocyanate compounds
11/15/1989EP0341845A2 Fungicides
11/15/1989EP0341744A2 Azo compound and liquid crystal composition containing the same
11/15/1989EP0341515A1 Liquid diphenylmethane diisocyanate compositions
11/15/1989CN1037152A Process for preparation of 4-demethoxydauno-mycinone, aglycone of 4-demethoxy-daunoubicin
11/15/1989CN1037143A N-phenyl-benzamides and n-phenyl benzamidoximes, process of preparation thereof preparation containing same and uses
11/14/1989US4880805 Cardiovascular disorders
11/14/1989CA1262893A1 Process for preparing substituted polycyclo- alkylidene polycyclo-alkanes and the corresponding epidioxy compounds; as well as said substituted polycyclo-alkylidene polycyclo-alkanes and the corresponding epidioxy compounds
11/08/1989EP0341015A2 Improved process for preparing a ketimine
11/08/1989EP0340584A1 Process for the preparation of modified polyisocyanates.
11/07/1989US4879409 Cyclohexylmethane diisocyanates
11/07/1989US4879408 Intermediates for polyurethanes
11/02/1989EP0340030A2 Triazine derivatives
11/02/1989EP0339854A2 Synthesis of N-t-alkyl-1,2-diacylhydrazines
10/1989
10/25/1989EP0338585A2 Polyperfluoroaminoethers
10/25/1989EP0338387A1 New process for the preparation of oxalyl- and oxamyl-hydrazides
10/25/1989EP0338306A2 Halogen-substituted phenoxybenzyl compounds
10/24/1989US4876376 Halogen-fluorine exchange in hydrofluoric acid without catalyst; plant safening agents
10/24/1989US4875986 Photopoymerization of 1,4-diazidobenzene
10/18/1989EP0337898A1 Process for the purification and isolation of isocyanate condensates by extraction with liquid or supercritical CO2
10/17/1989US4874847 Process for the diazotisation of primary aromatic amines which are sparingly soluble in water
10/17/1989US4874545 Chiral esters of α-substituted phenylalkanoic acids and mesogenic hydroxy compounds, and their use as a doping substance in liquid crystal phases
10/17/1989US4874544 Ferroelectric liquid crystals
10/10/1989US4873365 Process for the preparation of isophorone diisocyanate from isophorone dicarbamyl esters using highly selective SnO2 or CuO catalysts
10/03/1989US4871873 Oxidation of arylmethylketones with dimethyl sulfoxide in hydrobromic acid; reacting with aromatic amine
10/03/1989US4871828 Purification/isolation of isocyanate condensates
10/03/1989US4871460 Isolation/purification of isocyanate condensates by extraction with liquid or supercritical gas
10/03/1989CA1262094A1 Use of alkylenediamine derivatives for the treatment of blood flow disturbances and pharmaceutical compositions containing them
09/1989
09/27/1989EP0334720A1 Process for the preparation of acyl isocyanates
09/26/1989US4870206 Aromatic polyisocyanates, their preparation and use as components for adhesives
09/26/1989US4870198 Process for the preparation of isocyanates and their use for the preparation of polyisocyanates containing ester
09/26/1989US4870064 Dipropargyloxybenzene compounds and their production
09/20/1989EP0333282A1 Preparation of optically active N-substituted alanine herbicides
09/20/1989EP0333265A2 Process for synthesis of arylglyoxal arylimines
09/20/1989CN1035662A Process for preparation of phenoxyphenylthioureas, phenoxyphenylisothioureas and phenoxyphenylcarbodiimides
09/20/1989CN1035659A 3,3-diarylacrylic acid amides
09/06/1989EP0331061A1 Substituted hydrazones and fungicides containing them
09/05/1989US4864032 Process for the preparation of indazoles
09/05/1989US4863503 Fungicides
08/1989
08/29/1989CA1258864A1 Insecticide intermediates and processes thereto
08/23/1989EP0329256A1 Preparation of 3,3-diarylacrylic acid amides
08/17/1989DE3803580A1 Process for the preparation of hydrazine derivatives
08/16/1989EP0328399A2 Process for the preparation of 4-demethoxydaunomycinone, the aglycone of 4-demethoxy-daunorubicin
08/15/1989CA1258456A1 Aryl or hetero-aryl derivatives of 1-hydroxy-pentane or 1-hydroxy-hexane for treating inflammation and allergies
08/09/1989CN1034536A Continuous preparation method of monoisocyanate or polyisocyanate
08/08/1989US4855501 Process for preparation of monomethylhydrazine
08/08/1989US4855500 Process for preparing a ketimine
08/08/1989US4855455 Preparation of amino acid derivatives
08/08/1989US4855084 Anthraquinoylcarboxylic acid hydrazides, curable compositions and use thereof
08/02/1989EP0325983A2 N-phenyl benzamides and N-phenyl benzamidoxines, process for their preparation, agents containing them and their use as pesticides
07/1989
07/26/1989EP0325485A2 Preparation of amino acid derivatives
07/25/1989US4851571 Process for the production of isocyanates
07/25/1989US4851570 From amines, phosgene; multicompartment; perforated plates; multizonal
07/19/1989EP0324701A1 Process for the separation of toluene diisocyanate from its production residues
07/18/1989CA1257608A1 Certain n-phenyl amines and their use as herbicides
07/18/1989CA1257595A1 5-halovinyl-2'-deoxyuridine derivatives
07/13/1989WO1989006226A1 Synthesis of 1,2-dioxetanes and intermediates therefor
07/12/1989CN1033798A Novel imidate insecticides
07/11/1989US4847412 Process for racemizing an optically active N-benzylidene amino-acid amide
07/11/1989US4847408 Phosgenation of diamines
07/05/1989EP0322647A1 Process for the continuous production of mono- or polyisocyanates
07/05/1989CN1033621A Process for preparation of anilinophenylthioureas, anilinophenylisothioureas, anilinophenylcarbodiimides
07/05/1989CN1033620A Process for puring and separating isocyanate condensation compounds by extraction with liquid supercritical carbon dioxide
07/04/1989US4845283 Alkenylated diphenyldiisocyanates for use in preparing polyurethane/urea systems
06/1989
06/27/1989US4843167 Process for the preparation of ortho-substituted arylcarboximidoesters
06/21/1989EP0321175A1 Indane derivatives
06/20/1989US4841086 Fungicides
06/20/1989CA1256102A1 Azo compounds
06/14/1989EP0320448A2 3-Aminobenzoyl phenyl urea
06/14/1989EP0319929A2 Novel blocked isocyanates and method of making and using the same
06/07/1989EP0318782A2 Substituted benzoyl(thio) ureas
06/06/1989US4837359 From diisocyanate and diamine, both containing aliphatically and/or cycloaliphatically bound isocyanate and amino groups
05/1989
05/31/1989EP0317743A1 Process for the preparation of monoblocked (cyclo) aliphatic diisocyanates
05/31/1989CN1004353B Process for the production of n-methylcarbamates
05/31/1989CN1004352B Process for the preparation of new azo compounds
05/30/1989US4835239 Diisocyanates and their use for the preparation of polyurethanes
05/24/1989EP0317265A2 Novel imidate insecticides
05/24/1989EP0316734A2 Furazanyl ureas
05/24/1989EP0316733A1 2-Amino pyrazolin-5-one
05/24/1989CN1033046A Pentamidine salts useful in the treatment and prophylaxis of pneumocystis carinii pneumonia
05/16/1989US4831132 Ortho-mono-substituted amino)phenylimines
05/10/1989EP0315467A2 Pentamidine salts useful in the treatment and prophylaxis of pneumocystis carinii pneumonia
05/10/1989EP0315008A2 Derivatives of (6-(hetero)aryloxy-naphthalin-2-yl-oxy)alcanoic acid
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