| Patents for C07C 231 - Preparation of carboxylic acid amides (17,275) |
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| 09/02/1993 | CA2130829A1 Synthesis of ioversol using a minimal excess of acetoxyacetylchloride |
| 09/01/1993 | EP0557835A2 Process for the preparation of betaines |
| 09/01/1993 | EP0557462A1 Method for producing ethanolamide alkoxylate. |
| 08/31/1993 | US5241065 Selectively antagonize dopamine D-1 receptors |
| 08/25/1993 | EP0556348A1 Process for preparing n-alkyl polyhydroxy amines in amine and amine/water solvents and fatty acid amides therefrom |
| 08/25/1993 | EP0249610B1 Synthesis of optically active aryloxypropanolamines and arylethanolamines |
| 08/25/1993 | CN1021908C Method for preparing novel diamine derivatives |
| 08/24/1993 | US5239069 Amino protecting group |
| 08/24/1993 | US5238908 Herbicidal glutaramic acids and derivatives |
| 08/24/1993 | CA1321603C N-2,3-butadienyl tri- and tetraaminoalkane derivatives |
| 08/18/1993 | EP0555340A1 Process for preparing florfenicol, its analogs and oxazoline intermediates thereto. |
| 08/18/1993 | CN1075315A Method for semi-synthesis of taxalkane derivative with metal alkane oxide and beta-lactam |
| 08/17/1993 | US5237077 Nitration with a nitrogen oxide in ozone presence |
| 08/17/1993 | US5236957 Antiepileptic agents |
| 08/11/1993 | CN1075137A Snailicide (Niphesamide) and its synthetic technology |
| 08/10/1993 | US5235093 Process for preparing carboxylic amide ester |
| 08/10/1993 | US5235090 Intermediates for drugs and herbicides; 4-amido derivatives hydrolyzed to 4-amino compounds |
| 08/04/1993 | EP0554233A2 Process for preparing fatty peroxyacid precursors having amide moieties in the fatty chain |
| 08/04/1993 | EP0553879A2 Process for producing 4-bromomethylbiphenyl compounds |
| 08/04/1993 | EP0553668A2 Process for making arylacrylic acids and their esters |
| 08/04/1993 | EP0423282B1 Process for preparing n-phenyl-n-methoxyacetyl-dl-alanine-methylester derivatives |
| 08/04/1993 | CN1074900A Process for preparing formamide |
| 08/03/1993 | US5233082 Method of making 3-hydroxy-2,4,5-trifluorobenzoic acid |
| 08/03/1993 | US5233074 Process for selectively ortho-fluorinating substituted aromatic compounds |
| 08/03/1993 | CA1320968C Preparation of functional fluorinated derivatives |
| 08/03/1993 | CA1320965C Process for making substituted carboxylic acids and derivatives thereof |
| 07/28/1993 | CA2088124A1 Process for preparing fatty peroxyacid precursors having amide moieties in the fatty chain |
| 07/27/1993 | US5231216 Trans-2-acylaminocyclohexyloxyacyldipeptides in the form of mixtures of diastereoisomers thereof and in the form of pure diasteredisomers, process for the preparation thereof and pharmaceutical compositions containing the same |
| 07/27/1993 | US5231215 Hydrogenation catalyst |
| 07/20/1993 | CA1320495C2 Optically active ketals, processes for their preparation and their use in the synthesis of alpha-arylakanoic acids |
| 07/14/1993 | EP0550899A1 Process for preparing derivatives of (R) 5-pentylamino-5-oxopentanoic acid with anticholecystokinin activity |
| 07/14/1993 | EP0550651A1 Improved catalyzed process for glucamide detergents. |
| 07/14/1993 | EP0550632A1 Phase transfer assisted process for glucamide detergents. |
| 07/14/1993 | EP0550603A1 High catalyst process for glucamide detergents. |
| 07/14/1993 | EP0550587A1 Stereoselective preparation of acid sensitive amides and intermediates useful in said preparation |
| 07/13/1993 | US5227028 Hydrolysis of ketoximes or alkoximes |
| 07/07/1993 | EP0550361A1 Surface active quaternary ammonium compounds, processes for their preparation and softening compositions derived from them |
| 06/30/1993 | EP0548478A2 Process for producing of carboxylic acid ester and formamide |
| 06/29/1993 | US5223646 Process for producing optically active atenolol and intermediate thereof |
| 06/29/1993 | US5223645 Heat resistant, waterproof |
| 06/29/1993 | US5223639 Catalytic reaction of 3,4-dimethoxycinnamic acid with anthranilic acid |
| 06/29/1993 | US5223529 N-phenylamides and medicinal products containing them |
| 06/24/1993 | WO1993013070A1 Process for preparing flunixin and intermediates thereof |
| 06/23/1993 | EP0548028A1 Purification of organic compounds by crystallisation |
| 06/23/1993 | EP0547825A2 Process for producing alpha-ketoamide derivative |
| 06/23/1993 | CN1073426A Tungsten carbide material, catalyst and hydrogenation process of aromatic nitro or nitroso derivatives with same catalyst |
| 06/22/1993 | US5221769 Production of p-acetylaminophenol from p-aminophenyl acetate |
| 06/22/1993 | US5221485 Removal of low molecular weight impurities |
| 06/15/1993 | US5220065 Method for producing n-methylolacrylamide |
| 06/15/1993 | US5220063 Method for the preparation of arylalkanolacylamides |
| 06/15/1993 | CA1319149C Pharmacologically active 2-and 3-substituted (1',5'-diaryl-3-pyrazolyl)-n-hydroxypropanamides and method for synthesizing the same |
| 06/15/1993 | CA1319148C Thyronine analogous compounds |
| 06/10/1993 | WO1993010887A1 Purification of crude ioversol using reverse osmosis |
| 06/10/1993 | CA2124561A1 Purification of crude ioversol using reverse osmosis |
| 06/09/1993 | EP0545697A1 Process for producing alpha-hydroxy-isobutyramide |
| 06/01/1993 | US5215967 Aminoacid derivatives inhibiting renin |
| 06/01/1993 | US5215966 For treatment of hypertension, hyperaldosteronism and cardiac insufficiency |
| 05/27/1993 | WO1993010076A1 Synthesis and optical resolution of the taxol side chain and related compounds |
| 05/26/1993 | EP0543631A2 Process for producing 2-fluoro-4-(trifluoromethyl)acetanilide |
| 05/25/1993 | US5214202 Method for preparing benzoic acid derivatives |
| 05/25/1993 | US5213895 Metals with protective polymers adsorbed on particles |
| 05/19/1993 | CN1072172A Novel t-substituted-9-substituted amino-6-demethyl-6-deoxytetracyclines |
| 05/19/1993 | CN1020727C Process for preparation of 3-(4-chlorohenol)-3-(3.4-dimelhoxyphenol) acrylic acid morpholine |
| 05/18/1993 | CA1317977C Dipropargyloxybenzene compounds and their production |
| 05/13/1993 | WO1993009075A1 Method for separating enantiomers of aryloxipropanolamine derivatives, and chiral solid-phase chromatography material for use in the method |
| 05/12/1993 | EP0331708B1 Improved process for the preparation of tetracycline derivatives |
| 05/12/1993 | EP0302122B1 Process for preparing unsaturated quaternary ammonium salts |
| 05/11/1993 | US5210300 Passing through mixed resin bed contained between cation and anion permeable membranes, applying electrical current to membranes; purification of crude intermediates of ioversol and 5-amino-N,N'-bis-/dihydroxypropyl/-triiodoisophthalamide waste |
| 05/11/1993 | US5210280 Reaction of unsaturated acid derivative with carbon monoxide and nucleopile |
| 05/11/1993 | US5210208 Disubstituted aryl compounds exhibiting selective leukotriene b4 antagonist activity |
| 05/11/1993 | US5210202 Chiral phosphorous compounds, a process for their manufacture and their application to the catalysis of enantioselective synthesis reactions |
| 05/04/1993 | CA1317312C Process for the preparation of aromatic dialkylamines |
| 04/28/1993 | CN1071415A Novel 9-amino-7-substituted-6-demethyl-6-deoxytetracyclines |
| 04/27/1993 | US5206436 Heating solution of crude tetraacetylethylenediamine and acetic anhydride, instantaneously cooling to crystallize |
| 04/27/1993 | US5206432 Reacting-dibasic acid and amine, large molar excess of dibacic acid |
| 04/27/1993 | US5206419 3-hydroxy-2,2-dimethylpropyl 3-hydroxy-2,2-dimethylpropanoate bis(acetoacetate) |
| 04/27/1993 | US5206399 2,2'-bis(diphenylphosphino)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl and transition metal complex containing the same as ligand |
| 04/27/1993 | CA1316941C Amide compounds, their production and use |
| 04/27/1993 | CA1316922C Carboxylic acid derivatives, processes for the preparation thereof, the use thereof and pharmaceutical compositions containing them |
| 04/20/1993 | US5204005 Reversed phase chromatographic process |
| 04/20/1993 | US5203879 An amido alkanolamine additive; amidating a polyoxyalkylene amine with a 4-alkyl-2-morpholinone |
| 04/15/1993 | DE4133688A1 Aliphatic linear omega-aminocarbonyl-aminocarboxylic acid prepn. - by esterification of omega-hydroxy-carbonyl-aminocarboxylic acid with lower alkanol, aminolysis and hydrolysis of amide with hydrolase |
| 04/14/1993 | EP0536515A1 Novel 7-substituted-9-substituted amino-6-demethyl-6-deoxytetracyclines |
| 04/14/1993 | EP0536189A1 Salts of fatty-acid amides and fatty-acid imidazolines. |
| 04/13/1993 | US5202504 Separating agent |
| 04/13/1993 | US5202449 Process for purifying 7-dimethylamino-6-demethyl-6-deoxytetracycline |
| 04/13/1993 | CA1316172C2 Self-and diol reactive formaldehyde-free crosslinking monomers and their derived polymers |
| 04/07/1993 | EP0536070A1 Tungsten carbide based material, catalyst and useful process for the hydrogenation of nitro or nitroso aromatic derivatives using this catalyst |
| 04/07/1993 | EP0535928A2 Process for producing intermediates for use in production of alkoxyiminoacetamides |
| 04/07/1993 | EP0535346A1 9-amino-7-substituted-6-demethyl-6-deoxytetracyclines |
| 04/06/1993 | CA1315803C N-alkoxyalkylamides of hydroxyacids and skin treating compositions therewith |
| 04/06/1993 | CA1315686C Pharmaceutical compositions containing at least one naphtylaromatic compound as an active ingredient |
| 04/01/1993 | WO1993005820A1 Purification of crude ioversol using continuous deionization |
| 04/01/1993 | CA2116223A1 Purification of crude ioversol using continuous deionization |
| 03/30/1993 | CA1315477C 2-amino acetamide derivatives |
| 03/30/1993 | CA1315279C Anti-inflammatory agents |
| 03/30/1993 | CA1315201C Pharmaceutical compounds based on benzamido aromatic compounds |
| 03/24/1993 | WO1993006079A1 PREPARATION OF SUBSTITUTED ISOSERINE ESTERS USING METAL ALKOXIDES AND β-LACTAMS |
| 03/24/1993 | EP0403511B1 Hydrogenation of halonitroaromatic compounds |
| 03/24/1993 | CN1070185A Process for producing high-quality 3-(N,N-dihydroxy ethyl) amino-4-methoxy-monoacetylaniline |