| 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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| 05/21/1986 | EP0181831A2 Process for the preparation of optically active acyloxyazetidinones |
| 05/21/1986 | EP0181581A1 beta-Aminothiol ester and process for preparing thereof |
| 05/21/1986 | EP0181571A1 Crystalline aminomethyl compound |
| 05/20/1986 | CA1204764A1 1-carbalkoxyalkyl-3-aryloxy-4-(2'-carboxyphenyl)-azet- 2-ones |
| 05/20/1986 | CA1204746A1 .beta. LACTAMS |
| 05/07/1986 | EP0180398A1 Synthesis of beta-lactam |
| 05/07/1986 | EP0180252A1 Process of preparing azetidinone compounds |
| 05/07/1986 | EP0180189A2 Novel beta-lactams and their production |
| 05/06/1986 | US4587241 Heterocyclic substituted penems |
| 05/06/1986 | US4587051 Desulfonation process for preparing 2-azetidinones |
| 05/06/1986 | US4587049 Azetidinone acetic acid derivatives and process for the preparation thereof |
| 05/06/1986 | US4587048 Process for the manufacture of 4-thioazetidinone compounds |
| 05/06/1986 | US4587047 2-oxo-1-[[(substituted sulfonyl)amino]-carbonyl]azetidines |
| 04/30/1986 | EP0179318A1 Sterical uniform 2-azetidinones |
| 04/29/1986 | US4585874 Process for preparing penem derivatives |
| 04/29/1986 | US4585767 Antibiotics, beta-lactamase inhibitors |
| 04/29/1986 | CA1203806A1 2-oxo-1-azetidinesulfonic acid derivatives, process for production thereof, and use thereof |
| 04/22/1986 | US4584133 Silver reagent eliminated from azetidinones, by protection of hydroxy group and cylization |
| 04/16/1986 | EP0177940A2 Hydrazine derivatives and their use |
| 04/15/1986 | US4582643 6-(1-hydroxyethyl)-2-(2-aminoethylthio)-1,1-disubstituted-1-carbadethiapen-2-em-3-carboxylic acids |
| 04/09/1986 | EP0176505A1 1-methylene carbonyl derivatives of 3-aryloxy-4-phenyl-azet-2-one |
| 04/08/1986 | US4581364 1-substituted-4-hydroxymethyl-pyrrolidin-2-ones |
| 04/08/1986 | US4581170 Bactericide and antibiotic intermediates |
| 04/02/1986 | EP0176309A2 Use of N-(2-aminocyclohexyl)benzeneacetamides in the treatment of cerebral ischemia |
| 04/02/1986 | EP0176064A1 Intermediates for the production of 7-oxo-4-thia-1-aza[3,2,0]heptane and 7-oxo-4-thia-1-aza[3,2,0]hept-2-ene derivatives |
| 04/01/1986 | US4579684 Process for the manufacture of enol derivatives |
| 03/25/1986 | US4578378 (Oxoheterocyclic carbonamido)cephem carboxylic acid derivatives |
| 03/19/1986 | EP0174561A1 7-Oxo-4-thia-1-azabicyclo[3,2,0]hept-2-ene derivatives |
| 03/18/1986 | US4576939 Penem derivatives |
| 03/18/1986 | US4576753 Azetidinone compounds and processes for preparation thereof |
| 03/18/1986 | US4576751 Antibiotics |
| 03/18/1986 | US4576749 3-Acylamino-1-carboxymethylaminocarbonyl-2-azetidinones |
| 03/18/1986 | US4576748 3-Hydroxy-3-aminoethyl β-lactams |
| 03/18/1986 | US4576747 Isocyanato-azetidinediones |
| 03/18/1986 | US4576746 Chemical intermediates for antibiotics |
| 03/04/1986 | US4574153 8-Oxo-2-oxa-1-azabicyclo(4.2.0)octane-3-carboxylic acids |
| 03/04/1986 | CA1201439A1 Process for preparing new 3-amino 2-oxo azetidine 1-sulfamic acid derivatives |
| 02/26/1986 | EP0172631A1 Therapeutic agents |
| 02/25/1986 | US4572801 4-Carbamoyloxymethyl-1-sulfo-2-oxoazetidine derivatives and their production |
| 02/18/1986 | US4571393 3-Phenoxy-1-azetidinecarboxamides |
| 02/12/1986 | EP0171362A1 Aminoalkyl penem compounds |
| 02/12/1986 | EP0171159A1 Substituted azetidinone compounds, their preparation, and medicaments containing them |
| 02/12/1986 | EP0171064A1 Azetidinone derivative and processes for production thereof |
| 02/11/1986 | US4569940 Certain 5-N-mono- or disubstituted sulfamoyl benzamides having use in treatment of emesis, impaired gastro-intestinal motility disorders and central nervous system disorders |
| 02/11/1986 | US4569795 Hydridizing agents |
| 02/11/1986 | US4569688 N-Formyl-3-carboxyazetidine and its use for sterilizing the male parts of wheat plants |
| 02/11/1986 | CA1200543A1 7-epi-3-exomethylenecepham derivatives |
| 02/05/1986 | EP0170280A1 Novel intermediates and process for the preparation of 3-acylamino-1-hydroxy-2-azetidinones |
| 02/05/1986 | EP0170028A1 Antibacterial 7-oxo-4-thia-1-azabicyclo[3,2,0]hept-2-ene derivatives |
| 02/05/1986 | EP0170019A1 Carbapenems having an ether group at position 4 |
| 01/30/1986 | WO1986000615A1 New 2-oxoazetidines, process for the preparation and utilization thereof |
| 01/29/1986 | EP0169603A1 Preparation of N-substituted-3-cyano azetidine derivatives |
| 01/29/1986 | EP0169602A1 Preparation of n-substituted azetidine 3-carboxylic acid derivatives |
| 01/28/1986 | US4566996 Process for preparing azetidinone derivatives |
| 01/22/1986 | EP0168852A1 Azetidine derivatives and their preparation |
| 01/21/1986 | US4565654 N-Acyloxy monocyclic β-lactams |
| 01/21/1986 | CA1199644A1 Process for the preparation of heterocyclic acetic acid derivatives |
| 01/14/1986 | US4564616 Anti-cancer quinazoline derivatives |
| 01/14/1986 | US4564609 4-Substituted-2-azetidinone compound, process of producing the compounds, and medicaments containing the compounds |
| 01/08/1986 | EP0167155A1 beta-Lactam compound and preparing thereof |
| 01/08/1986 | EP0167154A1 Process for preparing 4-acetoxy-3-hydroxyethylazetizin-2-one derivatives |
| 01/02/1986 | EP0166377A1 Process for the preparation of beta-lactam compounds and intermediates therefor |
| 12/27/1985 | EP0165637A1 Azetidine derivatives |
| 12/27/1985 | EP0165636A1 Process for preparing azetidine derivatives and intermediates therein |
| 12/27/1985 | EP0165272A1 Heterocyclic substituted penems |
| 12/24/1985 | US4560550 Synergistic compositions containing 6-alkylidene penems and their use |
| 12/24/1985 | US4560508 Beta-lactamase inhibitors, aninicrobial agent, chemical intermediate |
| 12/24/1985 | US4560507 Preparation of 1-benzylazetidin-3-ol |
| 12/24/1985 | US4560401 Using 3-alkyl-2-carboxyazetidine |
| 12/24/1985 | CA1198433A1 (s)-[1-(carbonylaminosulfonyl)-2-oxo-3- azetidinyl]-carbamic acid |
| 12/24/1985 | CA1198427A1 1-, and 1,1- disubstituted -6- substituted -2- carbamimidoyl -1- carbadethiapen-2-em -3- carboxylic acids |
| 12/17/1985 | US4559406 Cleavage of ethylene ketal from azetidinone derivative, reduction and cyclization/decyclization |
| 12/17/1985 | US4559335 Bactericides |
| 12/17/1985 | US4559333 Hydrazone substituted penems |
| 12/10/1985 | US4558123 3-Exomethylene cephalosporins |
| 12/10/1985 | CA1197839A1 7-oxo-4-thia-1-aza[3,2,0]heptane and 7-oxo-4-thia- 1-aza[3,2,0]hept-2-ene derivatives |
| 12/04/1985 | EP0163452A1 A novel process for carbon-carbon bond formation at the C-4 position of 3-acylaminoazetidinones |
| 12/03/1985 | US4556514 Intermediates for production of carbapenem or penem derivatives |
| 12/03/1985 | US4556513 Diazo derivatives of azetidinones; ring closure |
| 11/27/1985 | EP0162193A1 Novel 2-penem-type compounds and pharmaceutical compositions contaning them |
| 11/26/1985 | US4555260 3-carboxyazetidine |
| 11/21/1985 | EP0161722A1 Preparation of 1-substituted azetidine-3-ol derivatives |
| 11/21/1985 | EP0161591A1 Isocyanato-azetidine-diones |
| 11/19/1985 | US4554103 Preparation of 4-acyloxyazetidinones from acyl nitrates and penams |
| 11/13/1985 | EP0160876A1 1-Hetero-6-/1-Hydroxyethyl/-2-SR8-1-carbadethiapen-2-EM-3-carboxylic acids |
| 11/07/1985 | WO1985004877A1 1-methylene carbonyl derivatives of 3-aryloxy-4-phenyl-azet-2-one |
| 11/07/1985 | WO1985004876A1 2-azetidinone derivatives and process for their preparation |
| 11/05/1985 | US4551277 Bactericides |
| 11/05/1985 | US4551276 Antibiotics |
| 11/05/1985 | CA1196335A1 Process for preparing (3s)-3-¬¬(2-amino-4- thiazolyl)¬(1-carboxy-1- methylethoxy)imino|acetyl|amino|-2-oxo-1- azetidinesulfonic acid, and 4-substituted derivatives |
| 10/29/1985 | US4550162 Process for the manufacture of enol derivatives |
| 10/29/1985 | US4550105 1-Sulfo-2-oxoazetidine derivatives and their production |
| 10/23/1985 | EP0159156A1 Hydroxy substituted ureido amino and imino acids |
| 10/22/1985 | US4548751 (2-Oxo-1-azetidinyloxy)-2-propenoic acid |
| 10/22/1985 | US4548747 3-Acylamino-1-sulfonylaminocarbonylmethoxy-2-azetidinones |
| 10/09/1985 | EP0157409A2 Renin inhibitors containing 2-substituted statine |
| 10/09/1985 | EP0156976A2 Optically uniform imines |
| 10/08/1985 | US4545934 Alkylation of the ester and amide derivatives |
| 10/08/1985 | CA1194886A1 Arylsulphonyl azetidine compounds, their preparation and their use as intermediates |
| 10/01/1985 | US4544502 Chiral synthesis of thienamycin from D-glucose |