Patents for C07D 205 - Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom (6,868) |
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02/24/1993 | EP0528495A1 Azacyclic compounds, processes for their preparation and pharmaceutical compositions containing them |
02/23/1993 | US5189158 Acid mediated ring closure |
02/17/1993 | CN1069028A Asymmetric synthesis of taxol side chain |
02/17/1993 | CN1069024A Substituted beta-lactam compounds useful as hypocholesterolemic agents and processes for preparation thereof |
02/10/1993 | CN1068815A Substituted azetidinones as anti-inflammatory and antidegenerative agents |
02/04/1993 | WO1993002048A1 Substituted beta-lactam compounds useful as hypocholesterolemic agents and processes for the preparation thereof |
02/03/1993 | WO1993003013A1 Indoline derivatives having an amide function, their preparation, and pharmaceutical compositions containing them |
02/03/1993 | EP0526348A1 Indoline derivatives carrying an amide function, their preparation and pharmaceutical compositions containing them |
02/03/1993 | EP0525973A2 Substituted azetidinones as anti-inflammatory and antidegenerative agents |
02/03/1993 | EP0525589A1 Asymmetric synthesis of taxol side chain |
02/02/1993 | US5183903 Heating together 3-phenoxyazetidine derivative and urea in the absence of a solvent |
02/02/1993 | US5183902 Muscle relaxants |
02/02/1993 | CA1313380C2 .beta.-lactams and their production |
02/01/1993 | CA2071160A1 Asymmetric synthesis of taxol side chain |
01/27/1993 | EP0524595A1 Substituted beta-lactam compounds useful as hypocholesterolemic agents and processes for the preparation thereof |
01/26/1993 | US5182288 Substituted n-biphenylyl lactams |
01/20/1993 | EP0523904A1 Process for preparing azetidin-2-one derivatives |
01/20/1993 | CN1068108A Azetidinone derivatives useful in preparation of carbapenem antibiotics |
01/07/1993 | WO1993000332A1 Substituted azetidinones as anti-inflammatory and antidegenerative agents |
01/07/1993 | EP0521203A1 Improved process for recovering organic vapors from air |
01/07/1993 | EP0521018A1 Process for preparing penem esters |
12/30/1992 | EP0520336A2 Aldehyde derivatives and their use as calpain inhibitors |
12/30/1992 | EP0520292A1 Chiral azetidinone derivatives and their use as dopants in liquid crystalline mixtures |
12/30/1992 | CN1067429A 4-substituted alkyl carbapenem antibiotics |
12/29/1992 | US5175315 Reacting with alcohol in presence of altivating agent |
12/29/1992 | US5175311 Method of enantioselective cyclopropanation using chiral catalysts |
12/29/1992 | US5175283 Azetidin-2-one derivatives as serine protease inhibitors |
12/26/1992 | CA2072215A1 New substituted azetidinones as anti-inflammatory and antidegenerative agents |
12/23/1992 | WO1992022313A1 Renin inhibiting compounds |
12/10/1992 | WO1992013878A3 Conformationally restricted mimetics of beta turns and beta bulges and peptides containing the same |
12/08/1992 | US5169945 Reacting imide with secondary amine to form amide which protects amine during nucleophilic reactions |
12/02/1992 | EP0516486A2 Azetidinone derivatives useful in the preparation of carbapenem antibiotics |
12/02/1992 | EP0516050A2 Methods and compositions for using non-ionic contrast agents to reduce the risk of clot formation in diagnostic procedures |
12/02/1992 | CN1066656A Amino acid azelidinyl substituted pyridone derivatives, their preparation and their application as medications |
12/01/1992 | CA2070002A1 Azetidinone derivatives useful in the preparation of carbapenem antibiotics |
11/26/1992 | WO1992020689A1 Antibacterial penem derivatives |
11/24/1992 | US5166361 Methods for preparing captopril and its analogues |
11/24/1992 | CA1310644C .beta.-AMINO-.beta.-PROPIOLACTAM DERIVATIVE AND MOISTURE CURABLE POLYURETHANE COMPOSITION THEREOF |
11/19/1992 | EP0514268A1 Substituted amino acid azetidinyl pyridone derivatives, their preparation and use as medicines |
11/17/1992 | US5164385 Azetidine derivatives and hypotensive compositions thereof |
11/17/1992 | US5163992 Oxalic acid derivatives and plant growth regulators containing them |
11/17/1992 | CA2068853A1 Substituted carboxy amino azetidinyl pyridone derivatives; process for preparing the same and their use as drugs |
11/17/1992 | CA1310323C Process and preparing cis-1-carba(1-dethia)cephalosporins and intermediates therefor |
11/11/1992 | EP0512901A1 Aminated polycyclic compounds and their enantiomers, process for their preparation and pharmaceutical compositions containing them |
11/10/1992 | US5162524 Processes for making cephems from allenylazetidinone derivatives |
11/10/1992 | US5162523 Cephalosporin antibacterial compounds |
10/29/1992 | WO1992018477A1 Azabicycloheptanone |
10/28/1992 | CN1018824B Process for preparing 4,4-dialkyl-2-azetidinones |
10/27/1992 | US5159077 Penam antibacterial compounds |
10/27/1992 | US5159073 Intermediates to 1-carbacephalosporins and process for preparation thereof |
10/21/1992 | EP0509821A1 Substituted acetoxyazetidinone derivatives and process for preparing 4-acyloxyazetidinone derivatives |
10/20/1992 | CA1309098C Dihydropyridine derivatives, their preparation and their use |
10/20/1992 | CA1309097C 2-oxo-1-[[(substituted sulfonyl) amino]- carbonyl]azetidines |
10/13/1992 | US5155236 Pyran derivatives |
10/07/1992 | CN1065061A 4-substituted azetidinodes as precursors to 2-substituted-2-carboxy carbapenem antibiotics and method of producing them |
10/06/1992 | US5153315 Intermediates for β-lactam compounds |
10/01/1992 | WO1992016532A1 HALOGENATED β-LACTAM COMPOUND AND PRODUCTION OF 3-HYDROXYCEPHEM DERIVATIVE THEREFROM |
09/29/1992 | US5151418 Method of treating muscular tension, muscle spasticity and anxiety with 3-aryloxy and 3-arylthioazetidinecarboxamides |
09/29/1992 | CA1308107C Monosulfactams |
09/23/1992 | EP0505097A2 New substituted azetidinones as anti-inflammatory and antidegenerative agents |
09/23/1992 | EP0505095A2 New substituted azetidinones as anti-inflammatory and antidegenerative agents |
09/23/1992 | EP0504612A2 Novel 4-substituted azetidinones as precursors to 2-substituted-3-carboxy carbapenem antibiotics and a method of producing them |
09/22/1992 | US5149838 Intermediates for substituted azetidinones useful as anti-inflammatory and antidegenerative agents |
09/22/1992 | US5149802 Process for producing azetidinone derivatives |
09/21/1992 | CA2063326A1 Novel 4-substituted azetidinones as precursors to 2-substituted-3-carboxy carbapenem antibiotics and a method of producing them |
09/21/1992 | CA2062886A1 Substituted azetidinones as anti-inflammatory and antidegenerative agents |
09/21/1992 | CA2062885A1 Substituted azetidinones as anti-inflammatory and anti-degenerative agents |
09/16/1992 | EP0503604A2 Allenyl beta-lactam compounds and process for preparing same |
09/08/1992 | US5145957 Carbapenicillin intermediates |
08/26/1992 | EP0500171A2 Improved process for the preparation of chiral 4-aryloxyazetidinones |
08/26/1992 | EP0500081A2 Azetidinone derivatives and method for producing azetidinone and cephalosporin derivatives |
08/26/1992 | CN1017991B Process for preparing 4-acetyloxy-3-hydroxyethyl azacyclo-butan-2-one derivatives |
08/25/1992 | US5142039 β-lactam antibiotics |
08/20/1992 | WO1992013878A2 Conformationally restricted mimetics of beta turns and beta bulges and peptides containing the same |
08/20/1992 | WO1992013837A1 A process for the preparation of 3-acylamino-4-carbamoyloxymethyl-2-azetidinone-1-sulphonic acids and intermediates for the preparation thereof |
08/20/1992 | CA2103577A1 Conformationally restricted mimetics of beta turns and beta bulges and peptides containing the same |
08/19/1992 | EP0499232A2 4-Oxo-azetidine-2-sulfonic acids and their salts, processes for the preparation thereof and their use |
08/19/1992 | EP0499196A1 Intermediates and process for preparing carbapenem derivatives |
08/19/1992 | CN1017897B Dihydropyridine derivatives, their preparation and their use |
08/12/1992 | EP0432204A4 Derivatives and precursors of captopril and its analogues |
08/11/1992 | US5138050 6-amido-1-methyl carbapenems |
08/11/1992 | US5138048 Bactericide |
08/11/1992 | US5137886 Insecticidal compounds |
07/28/1992 | US5134231 Chemical intermediates for 1-alkylcarbapenem compounds |
07/21/1992 | US5132419 Process for the preparation of 7-amino-3-((z)-1-propen-1yl)-3-cephem-4-carboxylic acid |
07/14/1992 | US5130309 Aryloxy and aryloxyalklazetidines as antiarrhythmic and anticonvulsant agents |
07/14/1992 | US5130241 Clavam derivatives and its enzymatic preparation |
06/30/1992 | US5126447 Process for preparation of β-lactam derivative from an alkenyl substituted β-lactam derivative using a ruthenium or rhenium catalyst and a periodic acid |
06/17/1992 | EP0257063B1 Compositions comprising 1-substituted azacycloalkanes and their uses |
06/16/1992 | US5122604 β-lactam compounds |
06/12/1992 | WO1992010476A1 N-substituted lactams useful as cholecystokinin antagonists |
06/12/1992 | CA2097517A1 N-substituted lactams useful as cholecystokinin antagonists |
06/09/1992 | US5120860 Dehydrating hydroxyalkylamines with non-zeolitic molecular sieves containing alkali or alkaline earth metals |
06/09/1992 | US5120729 Beta-lactams as antihypercholesterolemics |
06/08/1992 | WO1992010474A1 3-[2-chloro-4-(trifluoromethyl)phenoxy]-1-azetidine carboxamides having anticonvulsant activity |
06/08/1992 | CA2097835A1 3-[2-chloro-4-(trifluoromethyl)phenoxy]- 1-azetidine carboxamides having anticonvulsant activity |
06/03/1992 | EP0488611A1 Process for producing 4-acetoxyazetidinones |
06/03/1992 | CN1061599A Novel diketene imine derivative and process for preparing same |
06/03/1992 | CN1016871B Process for the preparation of tricyclische pyridinderivate and their use |
06/02/1992 | CA1302426C Carbapenem intermediates |