Patents
Patents for C07D 463 - Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula: , e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring (613)
09/1990
09/19/1990EP0387448A2 Photochemical conversion of cephalosporins, 1-carba(dethia)cephalosporins and 1-oxa(1-dethia)cephalosporins
09/18/1990US4957912 7 acylamidocarbacephem antibacterial agents
09/18/1990CA2012372A1 Compounds
09/15/1990CA2005166A1 Photochemical conversion of cephalosporins 1-carba(1-dethia)cephalosporins and 1-oxa(1-dethia)cephalosporins
08/1990
08/21/1990US4950629 Process for catalyst recovery
08/07/1990US4946837 Antibiotics
07/1990
07/31/1990CA1272188A1 Cephalosporin derivatives
07/04/1990EP0376610A1 Process for catalyst recovery
07/03/1990US4939250 Process for preparation of β-lactam derivatives
07/03/1990US4939249 Process for 1-carba(dethia) cephalosporins
06/1990
06/27/1990CA2005943A1 Process for catalyst recovery
06/06/1990CN1042712A Process for preparation of hydrates of beta-lactam antibiotic
06/06/1990CN1042711A Solvates of beta-lactam antibiotic
05/1990
05/23/1990EP0369687A1 Solvates of a beta-lactam antibiotic
05/23/1990EP0369686A1 Hydrates of beta-lactam antibiotic
05/14/1990CA2002596A1 Hydrates of b-lactam antibiotic
05/08/1990US4923982 Oxidation and reduction method to produce 4-acyloxyazetidin-2-one
05/03/1990WO1990004594A1 Novel antimicrobial quinolonyl lactam esters
05/03/1990WO1990004591A1 Novel antimicrobial dithiocarbamoyl quinolones
05/02/1990EP0366643A2 Novel antimicrobial dithiocarbamoyl quinolones
05/02/1990EP0366641A2 Novel antimicrobial quinolonyl lactam esters
05/02/1990EP0366193A2 Novel antimicrobial quinolonyl lactams
05/02/1990EP0366189A2 Novel antimicrobial lactam-quinolones
04/1990
04/25/1990EP0365190A1 Azetidinone intermediates to carbacephalosporins and process
04/25/1990CN1041593A Process for 1-carba (dethia) cephalosporins
04/11/1990EP0362902A2 Process and intermediates for beta-lactam antibiotics
03/1990
03/27/1990CA1267138A1 PROCESS FOR THE PREPARATION OF .beta.-LACTAM COMPOUNDS
03/21/1990EP0359540A2 Process for 1-carba(dethia) cephalosporins
03/21/1990EP0359536A2 Cephalosporin compounds, process for their preparation and pharmaceutical compositions
02/1990
02/14/1990EP0354757A2 Cephalosporins and homologous compounds, process for their preparation and pharmaceutical compositions containing them
01/1990
01/16/1990US4894371 3-substituted-aminomethyl cephalosporin derivatives
01/09/1990US4892942 1-carbacephalosporin antibiotics
12/1989
12/27/1989EP0348124A2 Intermediate for 1-carba(dethia)cephalosporin
12/27/1989CA1264052A1 Antibacterial compounds
12/19/1989US4888100 Ultraviolet radiation
12/05/1989US4885291 1-carba(dethia)-3-cephem derivatives
12/05/1989CA1263656A1 Aryloxycycloalkanolaminoalkylene aryl ketones
11/1989
11/15/1989EP0341991A2 Method for recovery of antibiotics from mother liquors and novel pharmaceutically-acceptable salts thereof
10/1989
10/31/1989US4877783 β-lactam antibacterial agents
10/17/1989CA1262356A1 1-carba (dethia) cephalosporin 3-triflate ester antibiotics
09/1989
09/27/1989EP0334592A2 A process for preparing 3-unsubstituted cephalosporins and 1-carba(dethia)cephalosporins
09/27/1989EP0334590A2 3-(Substituted)-1-carba(dethia)-3-cephems and cephalosporins and a process for production therefor
09/26/1989US4870169 Intermediates for beta-lactam antibiotics
09/19/1989US4868315 Hypotensive agents
09/19/1989US4868173 Cephalosporin derivatives
09/19/1989CA1259606A1 Cephem derivatives and processes for their manufacture
09/13/1989CN1035511A B-lactam autibiotics, processes for their preparation and their use as and in medicaments
09/05/1989US4864022 7-(2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(alkyl) oxyiminoacetamido) substituted
08/1989
08/23/1989CN1034929A Crystalline b-lactam solvate
08/09/1989EP0327364A1 Crystalline beta-lactam solvate
08/09/1989EP0327239A1 1-carbacephalosporin antibiotics
08/09/1989EP0326887A1 Beta-lactam antibiotics, process for their preparation and their use as and in therapeutic agents
08/08/1989US4855420 Cephalosporin derivatives
08/08/1989US4855418 Process for production of ceophalosporins
07/1989
07/19/1989EP0324562A1 1-Carba(dethia)-3-cephem derivatives
06/1989
06/14/1989CN1004469B Process for separating pb, as si from sodium tangstate solution
06/13/1989US4839351 Cephalosporins
06/07/1989EP0318767A2 Esters of pharmacologically active carboxylic acids splittable under physiological conditions
05/1989
05/10/1989CN1032793A Crystalline beta-lactan hydrate
04/1989
04/25/1989CA1253156A1 2h-azeto¬2,1-a|-isoquinoline derivatives, process for their preparation and pharmaceutical compositions containing them
04/19/1989CN1032442A Monohydrate and solvates of b-lactam antibiotic
04/12/1989EP0311366A1 Crystalline beta-lactam hydrate
04/12/1989EP0311365A1 Monohydrate and solvates of a new beta-lactam antibiotic
04/11/1989US4820832 Reduction of corresponding 3-halo or 3-sulfonyl ester with palladium
04/11/1989US4820816 3-trifuoromethylsulfonyloxy-substituted 1-carbacephalosporins as intermediates for antibiotics
03/1989
03/22/1989EP0308123A1 Crystalline antibiotic intermediate
02/1989
02/01/1989EP0301877A1 A method of deprotection of 3-amino azetidinones
01/1989
01/18/1989EP0299728A2 Carbonylation process for beta-lactam antibiotics
12/1988
12/13/1988US4791106 1-Carbacephalosporin antibiotics
12/07/1988EP0293532A1 6- or 7-beta-[2-[4-(substituted)-2,3-dioxopiperazin-1-yl) carbonylamino]-(substituted)acetamido]-penicillin and cephalosporin derivatives
11/1988
11/29/1988US4788185 Bactericides
11/01/1988US4782144 1-carba(dethia)-3-hydroxy-3-cephem ester crystalline and crystalline solvate thereof
10/1988
10/26/1988EP0287977A2 Fused heteroalkylene quinolinamines, a process and intermediates for their preparation and their use as medicaments
10/18/1988US4778884 Process for 3-halo-1-carba(dethia)-3-cephem antibiotics
10/05/1988EP0285175A1 Asymmetric photochemical reaction process
10/04/1988US4775752 Process and intermediates for beta-lactam antibiotics
07/1988
07/26/1988US4760060 3-heteroaralkylthio carbacephem compounds and antibacterial pharmaceutical composition
07/19/1988US4758556 Cephem derivatives
07/05/1988US4755596 Optically active carbacephems
05/1988
05/18/1988CN87107149A 7-((meta-substituted) phenylglycine) 1-carba-1-dethiacephalosporins
05/17/1988US4745222 Novel aryloxycycloalkanolaminoalkylene aryl ketones
05/17/1988US4745201 Process for intermediates to 1-carbapenems and 1-carbacephems
05/11/1988EP0266896A1 7-( (Meta-substituted) phenylglycine) 1-carba-1-dethiacephalosporins
04/1988
04/13/1988CN86105274A Intermediates and process for antibiotics
03/1988
03/29/1988US4734495 Carbacephalosporins from azetidinones
03/29/1988US4734494 Optically active 3-halo carbacephems
12/1987
12/15/1987US4713386 Tetrahydroazeto [2,1-a]isoquinolines and methods for treating depression
11/1987
11/24/1987US4708956 Antibiotics, carbacephalosporins
11/19/1987EP0246068A2 Process for the manufacture of cephalosporin derivatives
09/1987
09/15/1987US4694001 β-lactam compound and a pharmaceutical composition containing the same
08/1987
08/19/1987EP0232623A1 1-Carbacephalosporin antibiotics
08/05/1987CN86108961A 1-carbacephalosporin antibiotics
07/1987
07/28/1987USRE32465 AZA penem compounds
07/22/1987EP0229369A2 Cephalosporins, process for their preparation and pharmaceutical compositions containing them
07/07/1987US4678781 Bactericidal antibiotics
06/1987
06/16/1987US4673737 7-acylamino-(or 7-amino)-3-trifluoromethylsulfonyloxy-1-carba(1-dethia)-3-cephem-4-carboxylic acids and esters thereof
06/16/1987EP0225634A2 Antibacterial compounds, their production and use
06/09/1987CA1222745A1 PROCESS FOR THE PREPARATION OF .beta.-LACTAM COMPOUNDS
06/03/1987EP0224385A2 Intermediates for the preparation of beta-lactam antibiotics
05/1987
05/20/1987EP0222022A1 Process for producing beta-lactam derivatives
1 2 3 4 5 6 7