| 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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| 06/03/1980 | US4206120 Oxaazabicycloheptane antibiotics |
| 05/28/1980 | EP0011370A1 Process for preparing 2-chlorosulfinyl-azetidinones |
| 05/28/1980 | EP0011369A1 Process for preparing 3-exomethylenecepham sulfoxides |
| 05/27/1980 | CA1078378A1 Alkoxy derivatives of n-substituted cyclic amines and process for their preparation |
| 05/20/1980 | US4203897 Penam derivatives |
| 05/20/1980 | US4203896 Acetoxy azetidin-2-one antibiotics via thiazolidine ring cleavage |
| 05/20/1980 | CA1077951A1 Process for antibiotic fr 1923 and related compounds |
| 05/20/1980 | CA1077936A2 Cyclization to form cephem ring and intermediates therefor |
| 05/13/1980 | CA1077497A1 4-hydroxymethyl-2-pyrrolidinones |
| 04/30/1980 | EP0010358A1 Beta-lactam compounds, processes for their preparation, compositions containing them, intermediates of use in their preparation and methods for the production thereof |
| 04/30/1980 | EP0010317A1 6-, 1- and 2-substituted-1-carbapen-2-em-3-carboxylic acids, processes for the preparation of such compounds and pharmaceutical composition comprising such compounds |
| 04/30/1980 | EP0010316A1 1-, 6- and 2-substituted-1-carba-2-penem-3-carboxylic acids, process for preparing the same and pharmaceutical compositions containing the same |
| 04/29/1980 | US4200628 Novel aminoglycoside derivatives |
| 04/29/1980 | US4200572 Bactericides, antibiotics |
| 04/29/1980 | US4200571 Antibiotics, chemical intermediates, oxacephems |
| 04/29/1980 | CA1076482A1 Active derivatives of methylamine, therapeutic compositions containing the same and processes for preparing the said derivatives and compositions |
| 04/22/1980 | US4199570 Azetidine, pyrrolidine, or piperidine |
| 04/22/1980 | CA1076125A1 Intermediates for cephalosporin analogues |
| 04/16/1980 | EP0009555A1 Herbicidal agents based on thiolcarbamate, containing a haloacylamide as antagonist, and their use in a process for selectively controlling the growth of unwanted plants |
| 04/01/1980 | US4196124 1-Benzhydryl-2-benzimidoyl-azetidine |
| 03/25/1980 | US4195021 1,3-Disubstituted 2-azetidinone antibitotics |
| 03/25/1980 | CA1074296A1 3-acyloxymethylcephem compounds |
| 03/19/1980 | EP0008917A1 Penam-3-carboxylic acid 1,1-dioxides, process for their preparation and pharmaceutical compositions |
| 03/19/1980 | EP0008888A1 Beta-lactam antibacterial compounds, their preparation and pharmaceutical compositions containing them |
| 03/18/1980 | US4194047 Substituted N-methylene derivatives of thienamycin |
| 03/18/1980 | US4193917 Lactam compound used as intermediate |
| 03/11/1980 | US4192801 Novel phosphorane intermediates for use in preparing penem antibiotics |
| 03/05/1980 | EP0008497A1 Beta-lactam-containing compounds, their preparation and pharmaceutical compositions containing them |
| 02/26/1980 | US4190724 Reacting a 2-chlorosulfinylazetidin-4-one ester with stannic chloride in presence f oxygen-containing compound |
| 02/26/1980 | US4190579 Synthesis of beta-lactams from azetidine carboxylic acid esters |
| 02/26/1980 | CA1072564A1 4-chloroazetidinone-1-(2'-3'-dichloroisopropyl) acetates and process for preparing same |
| 02/20/1980 | EP0007973A1 Process for the preparation of thienamycin and intermediates |
| 02/05/1980 | US4187375 Cyclization of an azetidinone-1-hydroxyacetate; antibiotic intermediates |
| 02/05/1980 | US4187221 Cephalosporin intermediates |
| 01/29/1980 | CA1070688A1 Cephalosporin analogues |
| 01/29/1980 | CA1070672A1 Azetidinone compounds |
| 01/29/1980 | CA1070660A1 Abrasion resistant catalysts |
| 01/15/1980 | US4183923 Antipsoriatic compositions |
| 01/15/1980 | US4183855 Oxazolinoazetidinylbutyric acid derivatives |
| 01/08/1980 | US4182711 Antibacterial agents of the β-lactam type |
| 01/08/1980 | CA1069509A1 Benzo (4,5) cyclohepta-(1,2,-b) thiophene derivatives |
| 01/08/1980 | CA1069449A1 Process for the production of nocardicin c,d,e,f and g |
| 01/01/1980 | US4181800 Antibiotics from substituted perhydro-s-triazines |
| 01/01/1980 | CA1069126A Sulfinyl halides and their preparation from penicillin sulfoxides |
| 12/25/1979 | US4180571 Arylmalonamido-1-oxadethiacephalosporins |
| 12/25/1979 | US4180507 4-Oxa 2,6 diazabicycloheptane derivatives |
| 12/18/1979 | CA1068259A1 Method for cyclization to give cephem ring |
| 12/11/1979 | US4178286 Bactericides |
| 12/11/1979 | CA1067892A1 Iodo compounds |
| 12/04/1979 | CA1067435A1 Process for the production of nocardicin a |
| 11/28/1979 | EP0005507A1 Process for the fragmentation of 3-(2-hydroxyimino-acetylamino)-2-oxo azetidin compounds and compounds obtained thereby |
| 11/28/1979 | EP0005500A1 Dioxaphosphepines, their preparation and use as stabilisers for organic materials |
| 11/20/1979 | US4175076 Azetidinone mercury sulfides and process therefor |
| 11/13/1979 | US4174318 Using a trialkyl- or trialkylaminophosphine as reducing agent |
| 11/13/1979 | US4174317 Antiinflammatory agents |
| 11/13/1979 | US4174316 Antibiotics |
| 11/13/1979 | CA1066300A1 .omega.-ALKOXY DERIVATIVES OF LACTAMS AND PROCESS FOR THEIR MANUFACTURE |
| 11/06/1979 | US4173566 Chemical intermediate for an antiobesity agent |
| 11/06/1979 | CA1065853A1 Hydroxy-substituted cephalosporins |
| 10/30/1979 | US4172895 6-(1'-Hydroxyethyl)-2-aminoethylthio-oxapen-2-em-3-carboxylic acid |
| 10/30/1979 | CA1065304A1 PROCESS FOR PREPARING 7.beta.-ACYLAMINO-7.alpha.-ALKOXYCEPHALOSPORINS |
| 10/23/1979 | US4172199 Isooxacephalosporins |
| 10/16/1979 | US4171439 Antibacterial analogs of isocephalosporins |
| 10/16/1979 | US4171438 0-2-Isocephem-4-carboxylic acid derivatives as antibacterial agents |
| 10/16/1979 | US4171304 2-Iodomethylpenams |
| 10/02/1979 | US4169833 Novel phosphorane intermediates for use in preparing penem antibiotics |
| 09/25/1979 | CA1063108A1 Azetidinone derivatives and process for preparation thereof |
| 09/19/1979 | EP0004134A1 Beta-lactam antibacterial agents, their pharmaceutical compositions and process for their preparation |
| 09/19/1979 | EP0003960A1 6-Substituted thia-aza-compounds, their preparation and pharmaceutical compositions containing them |
| 09/18/1979 | US4168314 6-(1'-Hydroxyethyl)-2-aminoethylthio-pen-2-em-3-carboxylic acid |
| 09/04/1979 | US4166907 3,3-Dichloro-2-azetidinone derivatives having antiinflammatory activity |
| 09/04/1979 | US4166906 Antibiotics |
| 09/04/1979 | US4166905 Antibiotics |
| 09/04/1979 | US4166816 Methods and intermediates for preparing cis-4-oxoazetidine intermediates |
| 08/21/1979 | US4165316 Reacting an n-chloro halogenation agent in the presence of calcium oxide and an alkylene oxide |
| 08/21/1979 | US4165315 Sulfinyl halides and their preparation from penicillin sulfoxides |
| 08/14/1979 | US4164497 2-Substituted penam derivatives |
| 08/14/1979 | CA1060451A1 Process for the preparation of cephalosporins |
| 08/14/1979 | CA1060433A1 Process for the preparation of cephalosporins |
| 08/08/1979 | EP0003415A2 Beta-Lactam compounds, processes for their preparation,compositions containing them and intermediates of use in their preparation |
| 08/07/1979 | US4163743 Intermediates in synthesis of antibacterial nocardicin, preparation of 3-aminonocardicinic acid |
| 08/07/1979 | CA1059988A1 Process for the manufacture of enol derivatives |
| 07/24/1979 | US4162250 3-Aminoazetidinone derivatives |
| 07/17/1979 | US4161476 Penicillin and cephalosporin intermediates |
| 07/10/1979 | CA1058209A1 Cyano phenylene-dioxamates |
| 07/03/1979 | US4160085 Cyclization to form cephem ring and intermediates therefor |
| 07/03/1979 | US4159984 Metal and proton donor |
| 06/27/1979 | EP0002564A1 Derivatives of 7-oxo-1-azabicyclo(3.2.0)-hept-2-ene-2-carboxylic acid, their preparation, pharmaceutical compositions containing them and intermediates |
| 06/26/1979 | US4159272 From penicillin sulfoxide esters, chlorination using an n-chloroimide |
| 06/26/1979 | US4159267 Novel silyl ester azetidine-2-sulfenate intermediates and process for preparing desacetoxycephalosporins |
| 06/26/1979 | US4159266 Method of preparation of 3-methylenecephams |
| 06/26/1979 | CA1057284A1 Process for preparing cephalosporins and intermediates |
| 06/19/1979 | CA1056815A1 Alkyl and heterothio derivatives of alkyl o or s carbonyl thioacetyl cephalosporins |
| 06/13/1979 | EP0002210A1 6- and 6,6- disubstituted-2-substituted-pen-2-em-3-carboxylic acids; processes for their preparation and pharmaceutical compositions containing such compounds |
| 06/12/1979 | US4158004 Process for antibiotic FR 1923 and related compounds |
| 06/12/1979 | CA1056372A1 Method of preparation of 3-methylenecephams |
| 05/30/1979 | EP0002128A1 Process for preparing azetidinone mercury sulfides |
| 05/29/1979 | CA1055485A1 Process for preparing cephalosporins |
| 05/22/1979 | US4155912 2-Methylpenem-3-carboxylic acid antibiotics |
| 05/22/1979 | US4155911 Process for the production of substituted 4-thia-2,6-diaza[3.2.0]-2-heptene-7-one |