Patents
Patents for C07C 231 - Preparation of carboxylic acid amides (17,275)
01/1999
01/12/1999US5859247 Fluorous reaction and separation systems
01/07/1999EP0889019A1 Process for preparing cyclohexanones by hydrogenation of the corresponding phenols in presence of alkanes as solvent
01/07/1999EP0888380A1 Process for alkylating and smiles rearrangement of hydroxy aromatics
01/07/1999EP0888288A1 Fungicidally active carboxylic acid amides
01/07/1999EP0888287A1 A process for the purification of an intermediate useful in the synthesis of iodinated contrast media
01/07/1999EP0888185A1 PREPARATION AND USE OF NON-CHROME CATALYSTS FOR Cu/Cr CATALYST APPLICATIONS
01/06/1999CN1203907A Process for producing diamine product by using additive neutralizing separation method
01/05/1999US5856578 Process for the preparation of unsaturated amino compounds
01/05/1999US5856575 Reacting an appropriate phenol and an amide in the presence of a heteropoly acid or its alkali metal salt
01/05/1999US5856538 Preparation of N-acylamino carboxylic acids and N-acylamino sulfonic acids and their alkali metal salts
01/05/1999US5855629 Alkoxy acetic acid derivatives
12/1998
12/30/1998WO1998058906A1 Etherification reaction of an aminophenol using a phase transfer system
12/30/1998EP0731785B1 Ceramide 3 derivatives based on monounsaturated fatty acids
12/30/1998CN1203583A Process for preparation of methoxyminophenylglyoxylic acid derivatives
12/29/1998CA2036427C Acyl compounds
12/23/1998EP0885180A1 Stabilized monomer composition
12/23/1998CN1041305C Process for preparing N-(1-naphtnalene)-monochloroacetamide
12/23/1998CN1041301C Carbonylation of olefins
12/22/1998US5852215 Process for the production of azomethines and alpha-haloacetanilides
12/22/1998US5852214 Process for producing n-(1-alkoxyethyl) carboxylic amides
12/22/1998US5852194 N-substituted cis-n-propenyl-acetamides, and process for their preparation
12/22/1998US5851511 Polyiodo compounds, their preparation and their use in X-ray radiology
12/16/1998EP0884314A2 Metal alkoxides
12/16/1998EP0884306A2 Synthesis of amido acids from Carboxylic acids and lactams
12/16/1998EP0884305A1 Process for the preparation of ceramide compounds
12/16/1998EP0884304A2 Process for the preparation of F-(4-Fluoro-phenyl)-N-isopropyl-chloracetamide
12/16/1998EP0883597A1 Process for the purification of an aminoalcohol
12/16/1998CN1201794A Process for preparation of (1S,4R)-or(1R,4S)-4-(2-amino-6-chloro-9H-purin-9-yl)-2-cyclopentene-1-methanol
12/15/1998US5849953 Process for the purification of an intermediate
12/15/1998US5849951 Synthesis of carboxylic and hydroxamic acid derivatives
12/15/1998US5849945 Aminotetralone derivatives and preparation process thereof
12/15/1998US5849797 D-β-lysylmethanediamine derivatives and preparation thereof
12/15/1998US5849781 Tricyclic amides
12/15/1998CA2162186C Pradimicin derivatives
12/15/1998CA1340205C Alkylene diamines
12/09/1998EP0882702A1 Process for the preparation of N-acylaminoacids
12/09/1998EP0882024A1 Retroviral protease inhibiting compounds
12/09/1998EP0882011A1 Process for preparing n-(3-amino-4-chlorophenyl) acylamides
12/08/1998US5847231 Selective nitration of phenol derivatives
12/08/1998US5847213 Process for production of tertiary amine compound
12/08/1998US5847212 Process for the preparation of iohexol
12/08/1998CA2163297C Process for preparing 2-amino-alkane-1,3-diols
12/03/1998WO1998054193A1 Chiral phosphorus-based ligands
12/03/1998WO1998054124A1 A process for the preparation of 5-[acetyl (2,3-dihydroxypropyl)amino]-n,n'-bis (2,3-dihydroxypropyl)-2,4,6- triiodo-1,3-benzenedicarboxamide
12/03/1998CA2284506A1 Chiral phosphorus-based ligands
12/03/1998CA2261656A1 A process for the preparation of 5-¬acetyl (2,3-dihydroxypropyl)amino|-n,n'-bis (2,3-dihydroxypropyl)-2,4,6- triiodo-1,3-benzenedicarboxamide
12/02/1998EP0880558A1 Combinatorial process for preparing substituted indane libraries
12/02/1998CN1200724A Process for preparing amido-carboxylic acid esters having internal amide linkages
12/02/1998CN1200722A Process for purifying diphenyl ether compound
12/01/1998US5844696 Nitric esters from derivatives of 2-(2,6-dihalophenylamino) phenylacetoxyacetic acid and their preparation process
12/01/1998CA2001753C 5-substituted-ortho-aminophenols, process for their preparation and use for dying oxidation of keratinic fibres
11/1998
11/26/1998WO1998052909A1 Preparation of tri-iodo benzene compounds
11/26/1998WO1998052908A1 Preparation of tri-iodo benzene compounds
11/26/1998CA2290544A1 Yellow polymorph of 5-amino-2,4,6-triiodo-n,n'-bis(2,3-dihydroxypropyl)-isophthalamide
11/26/1998CA2290529A1 Preparation of tri-iodo benzene compounds
11/25/1998EP0879819A1 Process for the preparation of 5-methylene oxazolines
11/25/1998CN1199729A Process to chloroketones using oxazolines
11/24/1998US5840978 Process for preparing ethylidene bisformamide
11/24/1998US5840976 Adding a benzoquinone or alkali-modified derivative; reduced loss of vinylamides due to polymerization and/or decomposition during distillation
11/24/1998US5840967 Liquid phase acylation and subsequent n-alkylation of a corresponding amino-phenyl-carboxylic acid
11/21/1998CA2237285A1 Process to 5-methyleneoxazolines
11/19/1998WO1998051697A2 Method for producing polymers having nucleo-bases as side-groups
11/18/1998EP0878548A2 Multistep process for the preparation of (1S,4R)- and/or (1R,4S)-4-(2-Amino-6-Chlor-9-H-purin-9-yl)-2-cyclopentene-1-methanol
11/18/1998EP0688312B1 New derivatives of glutamic acid, a method of preparing them, and their use as drugs for enhancing memory and learning
11/17/1998US5837872 Process for preparation of N-acyl-aminodiacids
11/12/1998WO1998050341A1 Method of preparing salicyloylamino acids
11/11/1998EP0877015A1 Process for the preparation of cyclopropanecarboxamide
11/11/1998EP0876329A1 Process for the production of n-acetyl-d,l-alpha-aminocarboxylic acids
11/11/1998CN1198433A Process to chloroketoamines using carbamates
11/10/1998US5834588 (Cyanomethylene) phosphoranes as carbonyl 1,1-dipole synthons for use in constructing combinatorial libraries
11/05/1998WO1998049128A1 Process for preparing a (hetero)aromatic olefin
11/04/1998EP0875499A2 Process for the crystallisation of alkali metal salts of diformylamide
11/04/1998EP0874807A1 Process for the preparation of methoxyminophenylglyoxylic acid derivatives
11/04/1998EP0874804A1 A process for the optical resolution of 3-(p-chlorophenyl)-glutaramide
11/04/1998EP0874803A1 Process for preparing amido-carboxylic acid esters having internal amide linkages
11/04/1998EP0874800A1 Indane dimer compounds with smooth muscle relaxing and/or mast cell stabilising and/or antiinflammatory activity
11/04/1998EP0874625A1 Indane derivatives for antipsychotic compositions
11/04/1998EP0696270B1 4-amino-fluorobenzamides and their use as cytotoxic prodrugs
11/03/1998US5831126 Herbicidal compositions based on N-(4-fluoro-phenyl)-N-isopropyl-chloroacetamide, and process for the preparation of this compound
11/03/1998US5831125 Method of making primary amide derivative
11/03/1998US5830826 Alkoxy-alkyl-substituted 1H-3-aryl-pyrrolidine-2, 4-diones used as herbicicides and pesticides
10/1998
10/29/1998WO1998047860A1 Process for making carboxylic amides
10/29/1998CA2287504A1 Process for making carboxylic amides
10/28/1998EP0873302A1 Process and device for the continuous preparation of n-acylaminocarboxylic acids and n-acylaminosulphonic acids and their alkali metal salts
10/28/1998EP0873301A1 Indane compounds with smooth muscle relaxing and/or mast cell stabilising and/or anti-inflammatory activity
10/28/1998EP0873298A1 Chiral reductions of imines leading to the syntheses of optically active amines
10/28/1998EP0873290A1 Process for racemization of n-acetyl-d(l)-alpha-aminocarboxylic acids
10/28/1998EP0873169A1 Reversed phase chromatographic process
10/28/1998CN1197063A Synthetic method of electroactive large monomer
10/27/1998US5827887 Biphenyl compounds
10/22/1998WO1998046562A1 A process for the preparation of 4-bromomethyl diphenyl compounds
10/22/1998WO1998046547A1 Process for preparing 2-aryl-substituted indenes
10/22/1998WO1998046342A2 Preparation of low-dust stabilisers
10/22/1998WO1998026654A3 Fungicidal compositions based on (n-phenylacetyl-n-2,6-xylyl)methyl alaninate
10/22/1998CA2258747A1 Process for preparing 2-aryl-substituted indenes
10/21/1998EP0872476A2 Herbicidal substance based on 2,6-dichloro-3-fluoro-benzonitrile and new intermediate compounds
10/21/1998EP0872474A2 Process for the preparation of chloroketones using oxazolines
10/21/1998EP0872473A2 Process for the preparation of chloroketoamines using carbamates
10/21/1998EP0872465A2 Process for the preparation of (E)-1-amino-2-(fluoromethylene)-4-(p-fluorophenyl) butane and intermediates thereof
10/21/1998EP0871621A1 Asymmetric synthesis catalyzed by transition metal complexes with new chiral ligands