| Patents for C07B 43 - Formation or introduction of functional groups containing nitrogen (1,809) |
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| 09/15/1994 | WO1994020464A1 Coupling method using selective amination of maleimide |
| 09/15/1994 | CA2156704A1 Coupling method using selective amination of maleimide |
| 09/14/1994 | EP0614868A1 Process for the preparation of 3 to 5 C-atoms containing alpha, beta-monoethylenic unsaturated aldehydes, carboxylic acids and nitriles |
| 09/11/1994 | CA2115973A1 Preparation of c3-c5.alpha., .beta.-monoethylenically unsaturated aldehydes, carboxylic acids, or nitriles |
| 08/24/1994 | EP0611774A1 Production of amides and peptides without racemization in the presence of catalytic amounts of a N-hydroxy-compound |
| 08/16/1994 | US5338885 Process for the preparation of diphenylamines |
| 08/02/1994 | US5334756 Carboxylate of certain polyoxyalkylene amines |
| 07/26/1994 | CA1330983C Process for the preparation of catalyst compositions containing nickel, alumina, and zirconium dioxide, catalysts made therefrom, and method of use thereof |
| 04/05/1994 | CA1328266C Process for the synthesis of a n,n-dialkyl-hydroxylamine |
| 03/31/1994 | WO1994006451A1 Synthesis of n-substituted oligomers |
| 03/31/1994 | CA2144067A1 Synthesis of n-substituted oligomers |
| 03/22/1994 | US5296601 Process for producing carboxylic acid esters |
| 03/16/1994 | CN1083807A Process for the conversion of oximes into the corresponding amides |
| 03/15/1994 | US5294732 Polysubstituted fullerenes and their preparation |
| 03/09/1994 | CN1083480A Process for the preparation of substituted benzenes and benzene sulfonic acid and derivatives thereof and a process for the preparation of N,N'-substituted ureas |
| 03/08/1994 | US5292910 Use of hydrophobized hydrotalcites as catalysts for ethoxylation or propoxylation |
| 03/08/1994 | US5292893 Catalytic asymmetric and non-asymmetric reduction of times and oximes using metal catalysts |
| 03/02/1994 | EP0585165A1 Process for the preparation of acyl isocyanates |
| 02/23/1994 | EP0584043A1 Process for the preparation of substituted benzenes and benzene sulfonic acid and derivatives thereof and a process for the preparation of N'N-substituted ureas |
| 02/23/1994 | EP0583429A1 Highly reactive form of copper and reagents thereof |
| 02/15/1994 | US5286878 Catalytic reduction of organic carbonyls |
| 02/01/1994 | US5283344 Coupling method using selective amination of maleimide |
| 01/05/1994 | EP0577203A1 Process for the conversion of oximes into the corresponding amides |
| 12/09/1993 | WO1993024263A1 Highly reactive zerovalent metals from metalcyanides adapted for preparation of organometallic compounds |
| 11/25/1993 | WO1993023352A1 Nitration system, and process for nitrating aromatic compounds |
| 10/20/1993 | EP0566555A2 Process for preparing isocyanates |
| 10/20/1993 | EP0566459A1 Reagent and catalytic process for cleaving protected functional groups |
| 10/16/1993 | CA2093989A1 Reagent and catalytic process for clearing a protected function |
| 10/06/1993 | EP0564406A1 Ferrocenyldiphosphine as ligands for homogeneous catalysts |
| 09/08/1993 | EP0558656A1 New methods for the catalytic reduction of organic substrates. |
| 07/13/1993 | US5227538 Catalytic asymmetric reduction of ketones using metal catalysts |
| 06/23/1993 | CN1073426A Tungsten carbide material, catalyst and hydrogenation process of aromatic nitro or nitroso derivatives with same catalyst |
| 06/16/1993 | EP0547031A1 N-protected-(S)-isoserine compounds |
| 06/15/1993 | US5220069 Catalytic decarboxylation of carbamates to produce amines |
| 06/15/1993 | US5220020 Catalytic reduction of organic carbonyls using metal catalysts |
| 05/19/1993 | EP0542366A1 Process for the telomerization of conjugated alkadienes |
| 05/05/1993 | EP0540311A1 Polysubstituted fullerenes and their preparation |
| 05/04/1993 | CA1317312C Process for the preparation of aromatic dialkylamines |
| 04/29/1993 | CA2079957A1 Polysubstituted fullerenes and their preparation |
| 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 | EP0535484A2 Process for the preparation of diphenylamines |
| 03/24/1993 | EP0403511B1 Hydrogenation of halonitroaromatic compounds |
| 03/11/1993 | DE4129757A1 Reaction of gaseous ketone or aldehyde with crystalline nitrogen base (salt) - without solvent, used for purifying waste gas to reduce pollution |
| 03/03/1993 | CN1019971C Preparation of 3,3-diarylacrylic acid amides |
| 02/23/1993 | US5189205 Process for preparing isocyanates |
| 02/16/1993 | US5187301 Reacting glyconitrile with ammonia or ammonium salt |
| 01/20/1993 | EP0523461A2 Process for the saponification of aminoacid-/peptide ester |
| 01/20/1993 | EP0523449A2 Reductive amination of an aminoacid or an aminoacid derivative with an alpha-keto acid or an alpha-keto acid derivative |
| 01/20/1993 | EP0523089A1 Use of hydrophobised hydrotalcites as catalysts for ethoxylation or propoxylation. |
| 01/16/1993 | CA2073818A1 Transesterification and other conversion reactions of acid derivatives, using an amidine |
| 01/12/1993 | CA1312612C Method of preparing n-acryloyl--amino acids |
| 01/07/1993 | EP0521466A1 Process for preparing arylamide bisnadimides |
| 01/05/1993 | US5177248 Process of forming polysubstituted fullerenes |
| 01/02/1993 | CA2071749A1 Process for preparing arylamide bisnadimides |
| 12/08/1992 | CA1311332C Bop reagent for solid phase peptide synthesis |
| 12/02/1992 | CN1019300B Process for manufacture of carboxylic acid amides |
| 11/24/1992 | CA1310608C Process for the preparation of carbodiimides |
| 11/17/1992 | US5164488 Formation of liposome dispersion |
| 11/12/1992 | WO1992019623A1 Highly reactive form of copper and reagents thereof |
| 10/29/1992 | WO1992009545A3 New methods for the catalytic reduction of organic substrates |
| 10/20/1992 | CA1309100C Method for producing formamide compounds |
| 10/13/1992 | CA1308729C Process for the preparation of thienylethylamines and dithienylethylamines thus obtained |
| 09/22/1992 | US5149824 Process for preparing arylamide bisnadimides |
| 09/08/1992 | CA1307281C PROCESS FOR THE PREPARATION OF .alpha.-AMINO-.alpha.-METHYLCARBOXYLIC ACID AMIDES AND .alpha.-AMINO-.alpha.-CYCLOALKYLCARBOXYLIC ACID AMIDES |
| 09/08/1992 | CA1307280C PROCESS FOR THE PREPARATION OF .alpha.-HYDROXYCARBOXYLIC ACID AMIDES |
| 08/25/1992 | US5142057 Reacting an organic chloride with carbon monoxide and amine |
| 08/19/1992 | CN1063681A Insecticide acaridcide preparing method |
| 07/28/1992 | CA1305727C Process for producing ketoximes |
| 07/07/1992 | US5128475 Preparation of amides |
| 06/30/1992 | CA1304373C Process for the preparation of optically active secondary amines |
| 06/11/1992 | WO1992009545A2 New methods for the catalytic reduction of organic substrates |
| 06/11/1992 | CA2096747A1 New methods for the catalytic reduction of organic substrates |
| 05/26/1992 | US5117064 Selective |
| 05/19/1992 | CA1301176C Process for the preparation of optically active secondary arylamines |
| 05/12/1992 | US5112999 With diphosphines and diphosphinites, catalysts for hydrogenation of imines to secondary amines |
| 05/05/1992 | US5110961 Catalytic process for the synthesis of an alcohol, new metal complexes and process for the synthesis of these complexes |
| 04/15/1992 | EP0480493A2 Processes for the preparation of nitrogen-containing compounds |
| 04/14/1992 | US5105011 Catalytic hydrogenation using nickel, cobalt or iron with metal iodide yields aromatic haloamines |
| 04/08/1992 | EP0478707A1 Improved process for preparing isepamicin |
| 03/21/1992 | CA2051594A1 Processes for the preparation of nitrogen-containing compounds |
| 03/03/1992 | CA1296738C Benzoylurea derivative and its production and use |
| 02/25/1992 | US5090997 Atomizing liquid alloy with water or water and gas, cooling, drying |
| 02/18/1992 | CA1296013C Process for preparing novel n-(acyloxyalkoxy) carbonyl derivatives useful as bioreversible prodrug moieties for primary and secondary amine functions in drugs |
| 02/11/1992 | US5087755 Process for producing aromatic amines by reduction of aromatic nitro compounds |
| 02/05/1992 | EP0470000A1 Allylation reagent and method of synthesis using it |
| 12/31/1991 | CA1293734C Process for preparing optically active cyano compound |
| 12/03/1991 | US5070202 Cyanobutylation of amines with 2-pentenitrile |
| 11/19/1991 | US5066801 Preparation of sulfonic acid esters |
| 10/29/1991 | US5061675 Process for producing a denaturated manganese dioxide catalyst for the hydration reaction of cyanohydrins |
| 10/09/1991 | EP0450823A2 The conversion of amines to hydroxylamines |
| 10/03/1991 | WO1991015441A1 Use of hydrophobised hydrotalcites as catalysts for ethoxylation or propoxylation |
| 10/03/1991 | CA2079806A1 Use of hydrophobised hydrotalcites as catalysts for ethoxylation or propoxylation |
| 10/02/1991 | EP0449297A2 Cyanobutylation of amines with 2-pentenenitrile |
| 10/02/1991 | EP0448602A1 Method for functionalization of nucleophiles |
| 09/29/1991 | CA2039264A1 Cyanobutylation of amines with 2-pentenenitrile |
| 09/24/1991 | CA2037767A1 Conversion of amines to hydroxylamines |
| 09/24/1991 | CA1289568C Process for production of amino compounds |
| 09/18/1991 | EP0446554A1 Preparation of a N-substituted phenylenediamine |
| 09/17/1991 | US5049689 Process for the selective n-acylation of aminohydroxamic acid derivatives and starting materials used therein |
| 09/10/1991 | US5047557 Alcohol, amine intermediates |