| Patents for C07C 221 - Preparation of compounds containing amino groups and doubly-bound oxygen atoms bound to the same carbon skeleton (1,346) |
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| 02/03/2000 | WO2000005194A1 Process for the preparation of 1,4-bis[[2- (dimethylamino) ethyl] amino] -5,8- dihydroxyanthracene- 9,10-dione |
| 02/03/2000 | CA2337070A1 Synthetic method |
| 01/26/2000 | EP0973755A1 Asymmetric synthesis of benzoxazinones via new intermediates |
| 01/20/2000 | WO2000002887A2 Ligands for metals and metal-catalyzed processes |
| 01/05/2000 | EP0968158A1 Preparation of preparing substituted indanones |
| 01/04/2000 | US6011178 Mononitration of 3,3',4,4'-tetramethyoxybenzophenone using nitric acid in the presence of acetic acid, and subsequent reduction of the nitro group. 2-nitro-4,5,3',4'-tetramethoxybenzophenone intermediate. |
| 12/23/1999 | WO1999065866A1 Anthracene derivatives as anti-cancer agents |
| 12/23/1999 | CA2334797A1 Anthracene derivatives as anti-cancer agents |
| 12/15/1999 | CN1047383C Process for preparation of aldehydes |
| 11/18/1999 | WO1999050223A3 Process for the preparation of hpb esters |
| 11/18/1999 | DE19825200C1 Production of 3-aminoacrolein derivatives, useful as chemical intermediates |
| 10/07/1999 | WO1999050223A2 Process for the preparation of hpb esters |
| 10/07/1999 | CA2325737A1 Process for the preparation of hpb esters |
| 09/29/1999 | CN1230173A Substituted N-arylmethylamino derivatives of cyclobutene-3,-4-diones |
| 09/23/1999 | WO1999047474A1 Coupling reactions with palladium catalysts |
| 09/23/1999 | CA2321791A1 Coupling reactions with palladium catalysts |
| 09/15/1999 | EP0941987A1 Process for the preparation of 2-Amino-4,5,3',4'-tetramethoxybenzophenone |
| 09/13/1999 | CA2264402A1 Process for the preparation of 2-amino-4,5,3',4'-tetramethoxybenzophenone |
| 09/07/1999 | US5948915 Cyclobutenedione derivative, manufacturing method thereof and non-linear optical device containing the same |
| 08/31/1999 | US5945566 Central nervous system |
| 08/17/1999 | US5939587 N-protected/N-substituted-beta-amino hydroxy sulfonates |
| 08/11/1999 | EP0934257A1 Substituted n-arylmethylamino derivatives of cyclobutene-3,4-diones |
| 08/03/1999 | US5932766 Process for the preparation of substituted keto-enamines |
| 08/03/1999 | US5932745 Process for converting propargylic amine-N-oxides to enaminones |
| 07/28/1999 | EP0931053A1 Process for the preparation of substituted aromatic amino compounds |
| 07/20/1999 | US5925789 Multistage process with amination, dehydration and stirring to give an intermediate in the synthesis of 6-chloro-4-cyclo propylethynyl-4-trifluoromethyl-1,4-2h-3,1-benzoxazine-2-one as an inhibitor of hiv reverse transcriptase |
| 07/13/1999 | US5922916 Process to chloroketoamines using carbamates |
| 06/23/1999 | EP0802730B1 Pesticidal compounds |
| 06/03/1999 | WO1999026928A1 Synthesis of 11-aryl-5,6-dihydro-11h-dibenz[b,e]azepines |
| 06/03/1999 | CA2311243A1 Synthesis of 11-aryl-5,6-dihydro-11h-dibenz[b,e]azepines |
| 06/02/1999 | EP0918744A1 Racemic separation of ketamine |
| 05/11/1999 | US5902887 Process for producing 3-amino-2-oxo-1-halogenopropane derivatives |
| 05/06/1999 | WO1999021823A1 Optically active intermediates for the preparation of optically active substituted oximes, hydrazones and olefins useful as neurokinin antagonists |
| 05/06/1999 | CA2308073A1 Optically active intermediates for the preparation of optically active substituted oximes, hydrazones and olefins useful as neurokinin antagonists |
| 05/05/1999 | CN1216036A Novel tetralone or benzopyranone derivs and process for producing same |
| 03/17/1999 | EP0902003A1 Novel tetralone or benzopyranone derivatives and process for producing the same |
| 02/18/1999 | WO1999007666A1 Amine derivatives and process for producing the same |
| 02/18/1999 | CA2300273A1 Amine derivatives and method for producing the same |
| 02/16/1999 | US5872256 Cyclobutenedione derivative, process for preparing the same, and nonlinear optical element |
| 02/11/1999 | WO1999006351A1 Process for converting propargylic amine-n-oxides to enaminones |
| 02/11/1999 | CA2298595A1 Process for converting propargylic amine-n-oxides to enaminones |
| 02/10/1999 | CN1207384A Amino compounds of 6,7,8,9-tetrahydro-cyclopenta[a]naphthalene and of 2,3-dihydro-cyclopenta[e]indene |
| 01/14/1999 | WO1999001418A1 Method for aminating mononuclear aromatic compounds and polynuclear compounds containing at least one aromatic ring in the presence of an palladium complex catalyst |
| 01/14/1999 | CA2294733A1 Method for aminating mononuclear aromatic compounds and polynuclear compounds containing at least one aromatic ring in the presence of an palladium complex catalyst |
| 12/23/1998 | EP0885877A1 Process for hydrogenation of cyanopropionaldehyde-containing cyanopropionaldehyde acetals |
| 12/23/1998 | EP0885868A1 Oxidation-process for the production of aldehydes and ketones in the presence of nitrogen-containing compounds |
| 12/22/1998 | US5852216 Preparation and use of (3-alkoxy-phenyl) magnesium chlorides |
| 12/09/1998 | EP0777639B1 Process for preparing aromatic aldehydes |
| 12/08/1998 | US5847220 Process for hydrogenation of cyanopropionaldehyde-containing cyanopropionaldehyde acetals |
| 12/08/1998 | US5847201 N-protected/N-substituted-beta-amino hydroxy sulfonates |
| 12/03/1998 | WO1998054122A1 Process for the preparation of substituted keto-enamines |
| 12/03/1998 | CA2292399A1 Process for the preparation of substituted keto-enamines |
| 11/11/1998 | CN1198433A Process to chloroketoamines using carbamates |
| 11/11/1998 | CN1040640C O-nitrophenyl cylopropylketone and O-aminophenyl cyclopropylketone, and method for preparation thereof |
| 11/04/1998 | EP0874800A1 Indane dimer compounds with smooth muscle relaxing and/or mast cell stabilising and/or antiinflammatory activity |
| 11/03/1998 | US5831117 Acid salts |
| 10/29/1998 | DE19728760C1 Amination or aryl compounds |
| 10/28/1998 | EP0873301A1 Indane compounds with smooth muscle relaxing and/or mast cell stabilising and/or anti-inflammatory activity |
| 10/21/1998 | EP0872473A2 Process for the preparation of chloroketoamines using carbamates |
| 10/15/1998 | WO1998045278A1 Asymmetric synthesis of benzoxazinones via new intermediates |
| 10/15/1998 | CA2285000A1 Asymmetric synthesis of benzoxazinones via new intermediates |
| 10/15/1998 | CA2234132A1 Process to chloroketoamines using carbamates |
| 10/14/1998 | EP0870759A1 Aminated 6,7,8,9-tetrahydro-cyclopenta[a]naphtalene- and 2,3-dihydro-cyclopenta[e]indene-derivatives, process for their preparation and pharmaceutical compsitions containing them |
| 10/08/1998 | WO1998043942A1 Novel compounds, their use and preparation |
| 09/30/1998 | CN1194263A Amino substituted demethoxy hypocrellin and its preparing method |
| 09/23/1998 | EP0865419A1 Indane dimer compounds and their pharmaceutical use |
| 09/22/1998 | US5811552 Cyclobutenedione derivative, process for preparing the same, and nonlinear optical element |
| 09/17/1998 | WO1998040331A1 Preparation of preparing substituted indanones |
| 09/16/1998 | EP0863753A1 Perfluoroalkyl substituted metallo-beta-lactamase inhibitors and method for the preparation of trifluoromethylketone derivatives |
| 09/03/1998 | WO1998038195A1 PHOTOACTIVATABLE NITROGEN-CONTAINING BASES BASED ON α-AMMONIUM KETONES, IMINIUM KETONES OR AMIDINIUM KETONES AND ARYL BORATES |
| 09/02/1998 | EP0861233A1 N-protected/n-substituted-beta-amino hydroxy sulfonates |
| 07/30/1998 | WO1998032724A1 Novel tetralone or benzopyranone derivatives and process for producing the same |
| 07/29/1998 | EP0855388A2 Method for making intermediates useful in synthesis of retroviral protease inhibitors |
| 06/24/1998 | EP0849262A1 Aminophenyl ketone derivatives and a method for the preparation thereof |
| 06/24/1998 | EP0663898B1 Use of amines in oleaginous compositions |
| 06/24/1998 | CN1185430A Aminophenyl ketone derivative and preparation method thereof |
| 06/16/1998 | US5767316 Process for producing 3-amino-2-oxo-1-halogenopropane derivatives |
| 06/09/1998 | US5763676 Catalytically reacting aromatic carboxylic acids or their esters with hydrogen using zirconium dioxide/lanthanide catalyst |
| 06/02/1998 | CA2006896C Benzene derivatives, their preparation and pharmaceutical compositions in which they are present |
| 04/28/1998 | US5744643 Reacting an aromatic nitro compound with carbon monoxide in a an aqueous solvent mixture a water-soluble palladium salt hydrogenation catalyst supported by a water-soluble phosphine |
| 04/02/1998 | WO1998013331A1 Process for the preparation of substituted aromatic amino compounds |
| 03/10/1998 | US5726317 Cyclobutenedione compounds |
| 03/04/1998 | EP0826739A1 Process for the preparation of substituted aminoanthraquinones |
| 02/25/1998 | EP0825247A2 Compositions containing thiocarbonates and acylated-nitrogen containing compounds |
| 02/21/1998 | CA2213050A1 Compositions containing thiocarbonates and acylated-nitrogen containing compounds |
| 01/22/1998 | WO1998002413A1 Substituted n-arylmethylamino derivatives of cyclobutene-3,4-diones |
| 01/22/1998 | CA2261072A1 Substituted n-arylmethylamino derivatives of cyclobutene-3,4-diones |
| 01/20/1998 | US5710334 Aromatic dinitro and diamino intermediates |
| 01/13/1998 | US5708175 Multistage reaction og trifluoroacetyl halide with vinyl ether, then with ammonia and ester with ring closure after condensation |
| 12/03/1997 | CN1166491A Preparation and use of (3-alkoxyphenyl) magnesium chlorides |
| 11/20/1997 | WO1997043244A1 Racemic separation of ketamine |
| 11/20/1997 | DE19619665A1 Racemattrennung von Ketamin Resolution of ketamine |
| 11/18/1997 | US5688985 Reacting n,n-dibenzylaminophenylalanine ester with acetonitrile in presence of an organometallic catalyst |
| 11/05/1997 | EP0804410A1 Method of preparing retroviral protease inhibitor intermediates |
| 10/29/1997 | EP0802730A1 Pesticidal compounds |
| 10/29/1997 | EP0802729A1 Pesticidal compounds |
| 08/27/1997 | CN1158118A Process for preparing aromatic aldehydes |
| 08/20/1997 | EP0790251A2 Preparation and use of (3-alkoxyphenyl) magnesium chlorides |
| 08/06/1997 | EP0787116A1 Process for separating enantiomers from a racemic mixture |
| 06/17/1997 | US5639896 Process for the preparation of N,N'-disubstituted 1,4-diaminoanthraquinones |