| 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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| 01/21/1997 | US5596096 Azetidinone derivatives and method for producing azetidinone and cephalosoporin derivatives | 
| 01/16/1997 | WO1997001564A1 Improved process for synthesizing carbapenem intermediates | 
| 01/16/1997 | CA2224439A1 Improved process for synthesizing carbapenem intermediates | 
| 01/15/1997 | EP0752984A1 Process for the preparation of cyclohexyl-azetidinones | 
| 01/08/1997 | EP0751934A1 Substituted azetidinone compounds useful as hypocholesterolemic agents | 
| 01/07/1997 | US5591846 Heterocyclic derivatives of 5-amino-2,4,6-triiodo-1,3-benzenedicarboxamides | 
| 01/07/1997 | US5591769 Cyclic imino derivatives and pharmaceutical compositions containing them | 
| 01/07/1997 | US5591737 Elastase inhibitors | 
| 01/07/1997 | CA1338830C Diastereomeric 5r,6s-6-(1r-hydroxyethyl)-2-(cis-1-oxo- 3-thiolanylthio)-2-penem-3-carboxylic acids | 
| 12/27/1996 | EP0500835B1 A novel quinolone carboxylic acid derivative | 
| 12/19/1996 | WO1996040679A1 Substituted (sulfinic acid, sulfonic acid, sulfonylamino or sulfinylamino) n-[(aminoiminomethyl)phenylalkyl]-azaheterocyclylamide compounds | 
| 12/17/1996 | US5585357 Heteroaryloxymethyl ketones as interleukin-1βconverting enzyme inhibitors | 
| 12/12/1996 | WO1996039384A1 Substituted n-(indole-2-carbonyl)-glycinamides and derivatives as glycogen phosphorylase inhibitors | 
| 12/10/1996 | CA1338785C Process for 1-carba(dethia)cephalosporins | 
| 12/03/1996 | US5580988 Substituted azetidines and processes of using them | 
| 12/03/1996 | US5580976 Preparation of β-lactam compounds, and intermediates therefor | 
| 11/26/1996 | US5578212 Without requiring derivatization of enantiomers; complex formation and dissociation | 
| 11/21/1996 | WO1996036602A1 Adnaz, compositions and processes | 
| 11/13/1996 | EP0742223A1 A method of preparing a derivative of optically active azetidin-2-one | 
| 11/12/1996 | US5574156 N-carbonyl azetidin-2-ones | 
| 11/12/1996 | US5574152 Carbapenem antibiotic intermediate | 
| 11/07/1996 | WO1996035122A1 Combinatorial process for synthesizing azetidinone analogs | 
| 11/07/1996 | WO1996034857A1 Substituted oximes, hydrazones and olefins as neurokinin antagonists | 
| 11/07/1996 | WO1996034852A1 Novel tetracycline derivatives | 
| 11/07/1996 | CA2219277A1 Novel tetracycline derivatives | 
| 10/29/1996 | CA2057912C (1,2n) and (3,2n)-carbocyclic-2-amino tetralin derivatives | 
| 10/23/1996 | CN1033087C 7-(subtd.)-8-(substd.-9-|(substd.glycyl) amido¨-6-demethyl-6-deoxytetracyclines | 
| 10/22/1996 | US5567614 Enzymatic processes for resolution of enantiomeric mixtures of compounds useful as intermediates in the preparation of taxanes | 
| 10/22/1996 | CA1338670C .beta.-lactam antibiotics | 
| 10/09/1996 | EP0736036A1 Kininogen inhibitors | 
| 10/09/1996 | EP0736031A1 Improvements in or relating to chiral syntheses | 
| 10/08/1996 | US5563264 Cyclization of azetidinone derivative in presence of a catalyst | 
| 10/02/1996 | EP0734390A1 Process for the preparation of a thiazoline-azetidinone | 
| 10/01/1996 | US5561227 Chlorination a carboxylic acid; deprotonation a chiral (oxa or thia)zolidinone; enolizing; cyclization | 
| 09/26/1996 | WO1996029334A1 PROCESSES FOR THE PREPARATION OF β-LACTAM DERIVATIVE | 
| 09/26/1996 | WO1996029307A1 Diphenylmethyl-azetidinone compounds and elastase inhibitor | 
| 09/25/1996 | CN1032857C Process for preparing novel diketene imine derivative | 
| 09/19/1996 | WO1996028453A1 Processes for the production of 2-isocephem derivatives | 
| 09/19/1996 | WO1996028422A1 PROCESS FOR THE PRODUCTION OF β-LACTAM COMPOUNDS | 
| 09/19/1996 | WO1996028421A1 PROCESS FOR PRODUCING HALOGENATED β-LACTAM COMPOUNDS | 
| 09/18/1996 | CN1131416A Hydroxy-substituted azetidinone compounds useful as hypocholesterolemic agents | 
| 09/12/1996 | WO1996027587A1 Catalic enantioselective synthesis of a spiro-fused azetidinone | 
| 09/12/1996 | CA2214580A1 Catalytic enantioselective synthesis of a spirofused azetidinone | 
| 08/27/1996 | US5550229 Alkylation process for preparing azetidinone compound and starting compound therefor | 
| 08/22/1996 | WO1996025426A1 Novel dipeptide amidines as thrombin inhibitors | 
| 08/22/1996 | CA2211109A1 Novel thrombin inhibitors | 
| 08/20/1996 | CA1338539C 1-sulfo-2-oxoazetidine derivatives and their production | 
| 08/20/1996 | CA1338538C 1-sulfo-2-oxoazetidine derivatives and their production | 
| 08/08/1996 | WO1996024061A1 Methods and apparatus for synthesizing labeled combinatorial chemical libraries | 
| 08/08/1996 | CA2186943A1 Methods and apparatus for synthesizing labeled combinatorial chemical libraries | 
| 08/07/1996 | EP0724578A1 Amine derivatives as calcium channel antagonists | 
| 08/06/1996 | CA2071621C Aldehyde derivatives | 
| 08/01/1996 | WO1996022965A1 Novel aromatic amides, method for preparing and compositions containing same, and use thereof as pesticides | 
| 07/30/1996 | US5541343 Cyclic imino derivatives and pharmaceutical compositions containing them | 
| 07/30/1996 | US5541326 Pharmaceutical composition used to treat central nervous system disorders | 
| 07/30/1996 | US5541317 Azetidinone compounds useful in the preparation of carbapenem antibiotics and process for preparing carbapenem and penem compounds | 
| 07/24/1996 | CN1127509A New peptide derivatives | 
| 07/23/1996 | US5539103 Compounds for treatment of leukemia or tumors | 
| 07/17/1996 | CN1126989A Process for the synthesis of azetidinones | 
| 07/10/1996 | EP0720599A1 Hydroxy-substituted azetidinone compounds useful as hypocholesterolemic agents | 
| 06/27/1996 | WO1996019451A1 Substituted azetidin-2-ones for treatment of atherosclerosis | 
| 06/27/1996 | WO1996019450A1 4-[(heterocycloalkyl or heteroaromatic)-substituted phenyl]-2-azetidinones useful as hypolipidemic agents | 
| 06/27/1996 | CA2208530A1 Substituted azetidin-2-ones for treatment of atherosclerosis | 
| 06/26/1996 | EP0718280A2 Derivatives of beta-aminopropionic acid with a fungicidal activity | 
| 06/25/1996 | US5530117 Antibiotics | 
| 06/25/1996 | US5529990 Method for treating bacterial infection with novel 7-substituted-9-substituted amino 6-demethyl-6-deoxytetracyclines | 
| 06/19/1996 | CN1124957A 1-amidinophenyl-pyrrolidones piperidinones azetinones as platelet aggregation inhibitors | 
| 06/18/1996 | US5527791 Carbapenem antibiotic compounds | 
| 05/30/1996 | WO1996016333A1 METHODS FOR SYNTHESIZING DIVERSE COLLECTIONS OF β-LACTAM COMPOUNDS | 
| 05/30/1996 | WO1996016037A1 Sulfur-substituted azetidinone compounds useful as hypocholesterolemic agents | 
| 05/30/1996 | WO1996016027A1 Matrix metalloprotease inhibitors | 
| 05/30/1996 | CA2205665A1 Matrix metalloprotease inhibitors | 
| 05/29/1996 | CN1123547A Anti-tumor compounds, pharmaceutical compositions, methods for preparation thereof and for treatment | 
| 05/29/1996 | CN1123544A Optically active 3-(1-(alkylamino)) alkyl pyrrolidines | 
| 05/09/1996 | WO1996013502A1 Phenyloxazolidinone antimicrobials | 
| 05/09/1996 | WO1996013484A1 Azetidinone derivatives for the treatment of atherosclerosis | 
| 05/01/1996 | EP0708751A1 Synthesis of combinatorial arrays of organic compounds through the use of multiple component combinatorial array syntheses | 
| 04/30/1996 | US5512553 Preventing or treating bacterial infections | 
| 04/24/1996 | EP0707567A1 Process for the synthesis of azetidinones | 
| 04/18/1996 | WO1996011202A1 Process for the preparation of a thiazoline-azetidinone | 
| 04/17/1996 | EP0600952B1 Azacyclic compounds, processes for their preparation and pharmaceutical compositions containing them | 
| 04/17/1996 | CN1120834A Ozonide reducing agent | 
| 03/27/1996 | EP0690853A4 Taxanes prepared by beta-lactams and ammonium alkoxides | 
| 03/26/1996 | US5502214 1,2-benzoquinones and methods for making and using same | 
| 03/26/1996 | US5502025 Antidotes for herbicides and plant saftening agents | 
| 03/20/1996 | EP0701818A2 Therapeutic methods using catalytic antibodies | 
| 03/20/1996 | EP0701568A1 New peptide derivatives | 
| 03/20/1996 | EP0690867A4 Taxanes having furyl or thienyl substituted side-chain | 
| 03/20/1996 | EP0690711A4 Taxanes having an amino substituted side-chain | 
| 03/20/1996 | EP0688212A4 C9 taxane derivatives and pharmaceutical compositions containing them | 
| 03/13/1996 | EP0502926B1 Anti-thrombotic peptides and pseudopeptides | 
| 03/13/1996 | EP0436545B1 Therapeutic methods using catalytic antibodies | 
| 03/12/1996 | US5498614 Bridged aza-bicyclic derivatives as substance P antagonist | 
| 03/12/1996 | CA1338143C Enzymatic preparation of clavulanic acid and its precursor | 
| 03/06/1996 | CN1118163A Spirocycloalkyl-substituted azetidinones useful as hypocholesterolemic agents | 
| 02/27/1996 | US5495032 Process for producing 7-(substituted)-8-(substituted-9-[(substituted glycyl)amido]-6-demethyl-6-deoxytetracyclines | 
| 02/27/1996 | US5495018 7-(substituted-9-(substituted amino)-6-demethyl-6-deoxytetracyclines | 
| 02/27/1996 | US5494903 7-substituted-9-substituted amino-6-demethyl-6-deoxytetracyclines | 
| 02/22/1996 | WO1996005193A1 (azetidin-1-ylalkyl)lactams as tachykinin antagonists | 
| 02/21/1996 | EP0697015A1 Optically active 3-(1-(alkylamino))alkyl pyrrolidines |