Patents
Patents for C07D 205 - Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom (6,868)
08/1994
08/03/1994EP0608336A1 Azabicyclo arylacetylene and arylenyne oximes as cholinergic agents and methods of treatment
08/03/1994CN1090272A New substituted azetidinones as anti-inflammatory and antidegenerative agents
08/03/1994CN1090267A Novel 7-(substituted)-8-(substituted)-9-(substituted Amino)-6-demethyi-6-deoxytetracyclines
08/02/1994US5334328 Chiral azetidinone derivatives, and their use as dopes in liquid-crystal mixtures
08/02/1994CA1331192C Azetidine derivatives and their use for regulating plant growth
07/1994
07/13/1994EP0605637A1 PREPARATION OF SUBSTITUTED ISOSERINE ESTERS USING METAL ALKOXIDES AND $g(b)-LACTAMS
07/07/1994WO1994014433A1 COMBINATION OF A CHOLESTEROL BIOSYNTHESIS INHIBITOR AND A β-LACTAM CHOLESTEROL ABSORPTION INHIBITOR
07/05/1994US5326863 Antithrombin and antitrypsin activity
07/05/1994CA1330565C Azetidinone intermediates for 1-carba(dethia)cephalosporins
07/05/1994CA1330546C Chemical process for preparing an azetidin-2-one
06/1994
06/29/1994CN1025190C Beta-lactams synthesis using metallic compound catalyst
06/29/1994CN1025141C 5-Heterocyclic-substituted oxazolidine dihaloacetamides herbicide compound and the use
06/28/1994US5324789 Azetidinol reaction products
06/23/1994WO1994013636A1 New substituted azetidinones as anti-inflammatory and antidegenerative agents
06/22/1994EP0602306A1 Retroviral protease inhibitors
06/22/1994EP0602025A1 N-(1-(2-carboxyethyl)cycloalkyl carbonyl)-beta-alanine derivatives for pharmaceutical use
06/21/1994US5322939 Process for preparing azetidin-2-one derivatives
06/17/1994CA2111454A1 Retroviral protease inhibitors
06/15/1994EP0600955A1 5-ht4 receptor antagonists
06/14/1994US5321021 Tricyclic pyridine derivatives
06/09/1994WO1994012654A1 Process for preparing clavulanic acid
06/09/1994WO1994012181A1 Fibrinogen receptor antagonists
06/09/1994CA2150550A1 Fibrinogen receptor antagonists
06/08/1994CN1087626A Novel 7-(substituted)-8-(substituted-9-|(substituted glycyl) amido¨-6-demethyl-6-deoxytetracyclines
06/07/1994US5319103 Intermediate diastereomeric 5R,6S-6-(1R-hydroxyethyl)-2-(cis-1-oxo-3-thiolanylthio)-2-penem-carboxylic acids
05/1994
05/31/1994US5317100 Process for the preparation of optically active acyloxyazetidinones
05/26/1994WO1994010997A1 Taxanes having an alkyl substituted side-chain and pharmaceutical compositions containing them
05/26/1994WO1994010996A1 Butenyl-substituted taxanes and composition
05/24/1994US5314886 N-substituted lactams useful as cholecystokinin antagonists
05/18/1994EP0597423A2 Azetidinone compound and process for preparation thereof
05/18/1994EP0597401A2 Production of penem
05/17/1994US5312914 Process for the manufacture of 4-acetoxy-3-hydroxyethyl-azetidinone
05/12/1994CA2102827A1 Production of penem
05/11/1994WO1994010143A1 New substituted azetidinones as anti-inflammatory and antidegenerative agents
05/11/1994WO1994010142A1 New substituted azetidinones as anti-inflammatory and antidegenerative agents
05/11/1994CN1086512A Method for preparation of taxol
05/11/1994CA2147129A1 New substituted azetidinones as anti-inflammatory and antidegenerative agents
05/10/1994US5310899 Process for the preparation of chiral 4-aryloxyazetidinones
05/10/1994US5310897 Beta-lactams and their production
05/10/1994CA1329393C Azetidine derivatives, compositions and methods of treating
05/04/1994EP0595557A1 New substituted azetidinones as anti-inflammatory and antidegenerative agents
05/04/1994EP0594608A1 Chiral catalysts for enantioselective synthesis.
05/04/1994EP0594596A1 Copolymerizable imidazolidinone monomer
05/03/1994CA1329213C Process for the production of aziridines
04/1994
04/26/1994US5306817 Process for the stereospecific synthesis of azetidinones
04/26/1994US5306816 Processes for preparing carbapenem derivatives
04/26/1994US5306718 Analgesics, cognition activators
04/20/1994EP0592677A1 Beta-LACTAM COMPOUND AND CEPHEM COMPOUND, AND PRODUCTION THEREOF
04/19/1994US5304552 Renin inhibitors
04/05/1994US5300638 Reacting imine derivative of threonine with an acetyl halide in the presence of a base; preferential
03/1994
03/31/1994WO1994006764A1 Preparation of beta-methyl carbapenem intermediates
03/30/1994EP0589626A1 Preparation of beta-methyl carbapenem intermediates
03/30/1994EP0295308B1 Optically active azetidinones and process for production thereof
03/30/1994CN1084516A Azacyclic and azabicyclic alkyliden hydroxylamines
03/29/1994CA2106141A1 Antibiotic compounds
03/29/1994CA1328108C 5-heterocyclic-substituted oxazolidine dihaloacetamides
03/23/1994EP0588655A1 Amidinophenol derivatives
03/22/1994US5296613 Pyran derivatives
03/22/1994US5296595 Metal complexes with bridging ligands
03/22/1994US5296541 Polyazetidinol containing materials
03/19/1994CA2106248A1 Preparation of beta-methyl carbapenem intermediates
03/17/1994WO1994005643A1 Neopentyl difluoroamino compounds for use in energetic formulations
03/17/1994WO1994005632A1 4-oxo-azetidine-2-sulphonic acid amides and their salts, process for their production and their use
03/17/1994CA2142275A1 4-oxo-azetidine-2-sulphonic acid amides and their salts, process for their production and their use
03/16/1994CN1024004C Fungicides
03/15/1994US5294737 Hydrolysis, cyclization, condensation
03/15/1994US5294635 Heterocyclic compounds as aldose reductase inhibitors
03/15/1994US5294616 Fibrinogen receptor antagonists
03/15/1994CA1327808C Alkenylsilylazetidinone intermediates for carbapenems
03/10/1994DE4230053A1 4-Oxo-azetidin-2-sulfonsäureamide und ihre Salze, Verfahren zu deren Herstellung und ihre Verwendung 4-oxo-azetidine-2-sulfonic acid amides and their salts, processes for their preparation and their use
03/03/1994WO1994004495A1 Piperidinyl-terminated n-(dihydroxy alkyl)-ethynyl-alanine amides for treatment of hypertension
03/02/1994CN1083047A Novel method of producing 7-(substituted)-9-|(substituted glycyl)-amido¨-6-demethyl-6-deoxytetra-cyclines
02/1994
02/22/1994US5288862 Substituted acetoxyazetidinone derivatives and process for preparing 4-acyloxyazetidinone derivatives
02/17/1994WO1994003494A1 Conformationally restricted mimetics of reverse turns and peptides containing the same
02/17/1994CA2141447A1 Conformationally restricted mimetics of reverse turns and peptides containing the same
02/16/1994EP0582810A1 Novel 7-(substituted)-8-(substituted)-9-(substituted amino)-6-demethyl-6-deoxyetracyclines as antibiotic agents
02/16/1994EP0582790A1 Novel method of producing 7-(substituted)-9- (substituted glycyl)amido -6-demethyl-6-deoxytetracyclines
02/16/1994EP0582789A1 Novel 7-(substituted)-8-(substituted)-9- (substituted glycyl)amido -6-demethyl-6-deoxytetracyclines
02/15/1994US5286857 Intermediate for the preparation of penems
02/15/1994CA1327045C Azetidinone derivative and process for preparing the same
02/09/1994EP0582469A2 Process for preparing taxol-type compound from beta-lactam precursors
02/09/1994CN1081668A (1'R,3S,4R)4-acylthio-azetidinones
02/09/1994CN1023703C Method of resolving cis-3-amino-4-|2-(2-furyl) eth-1-Y1¨-1-methoxycarbonyl methyl-azet idin-2-one
02/08/1994US5284963 Reacting 9-amino tetracycline derivative with haloacyl halide in mixture of polar aprotic solvent, inert solvent, base; reacting product under inert atmosphere with nucleophilic amine
02/08/1994US5284865 Antitumor and antileukemia agents
02/08/1994US5284864 Antitumor and antileukemia agents
02/03/1994WO1994002490A1 Process for producing cephem compound
02/01/1994US5283329 Chemical intermediate for biosynthesis of antibiotics
01/1994
01/26/1994EP0579826A1 Carbapenems containing a carboxy substituted phenyl group, processes for their preparation, intermediates and use as antibiotics
01/25/1994US5281612 Naphthyridine antibacterial agents
01/18/1994US5280044 Containing benzene structure
01/06/1994WO1994000448A1 Azacyclic and azabicyclic hydroxylamines as muscarinic receptor agonists
01/04/1994US5276166 Curable compositions for films for wear resistance
12/1993
12/28/1993US5274188 Fluorinated aluminum catalyst
12/28/1993CA1325638C Process for preparing azetidinones
12/23/1993WO1993025523A1 4-acylthio azetidinones
12/23/1993CA2115173A1 4-acylthio azetidinones
12/22/1993EP0574784A1 (1'R,3S,4R)4-acylthio azetidinones
12/21/1993CA1325422C Prodrug derivatives of carboxylic acid drugs
12/15/1993EP0573667A1 Process for producing 4-substituted azetidinone derivative
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