| Patents for C07D 499 - Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula: , e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring (3,448) |
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| 11/17/1999 | CN1046523C Preparation of antimicrobial quinolonyl lactams |
| 11/10/1999 | EP0544906B1 Antibacterial penem esters derivatives |
| 11/04/1999 | WO1999055710A1 A METHOD FOR CRYSTALLIZING A β-LACTAM ANTIBIOTIC |
| 11/04/1999 | WO1999055709A1 PREPARATION OF β-LACTAM ANTIBIOTICS IN THE PRESENCE OF UREA OR AMIDE |
| 11/03/1999 | EP0953569A1 Preparation of beta-lactam antibiotics in the presence of urea or amide |
| 10/27/1999 | EP0544907B1 Antibacterial penem esters derivatives |
| 10/21/1999 | WO1999052912A1 PROCESS FOR PRODUCING HALOGENATED β-LACTAM COMPOUND |
| 10/21/1999 | WO1999052530A1 Antibacterial agents |
| 10/21/1999 | CA2325718A1 Antimicrobial agent |
| 10/20/1999 | EP0950660A1 A process for recovery of 6-aminopenicillanic acid from a mother liquor |
| 10/20/1999 | CN1232034A Process for direct preparing penicillin sodium salt from fermentation liquid |
| 10/13/1999 | CN1045594C Nitrato amino acid disulphides for use in the therapy of disorders of the cardiovasculary system |
| 10/06/1999 | EP0946525A1 Method for producing metal complex carboxylic acid amides |
| 10/06/1999 | EP0597051B1 Hydroxy protecting group removal in penems |
| 09/30/1999 | WO1999048895A1 A process for recovery of 6-aminopenicillanic acid from a mother liquor |
| 09/21/1999 | US5955458 Penicillin glycolate |
| 09/15/1999 | CN1228434A Extraction and purification of penicillin by using alcohol solvent |
| 09/15/1999 | CN1228433A Process for extracting penicillin by using butyl acetate |
| 09/15/1999 | CN1228430A 1-isothiazolidinone derivatives of azetidine-2-one, processes for preparation thereof and use thereof |
| 09/08/1999 | CN1227842A Penems and their derivatives |
| 09/01/1999 | CN1227488A Improved method for preparing potassim clavulanate |
| 08/26/1999 | WO1999042466A2 β-LACTAM-LIKE CHAPERONE INHIBITORS |
| 08/26/1999 | CA2355117A1 .beta.-lactam-like chaperone inhibitors |
| 08/25/1999 | EP0937725A2 Method for removing the protecting group for hydroxy group |
| 08/10/1999 | CA2145078C Crystalline penicillin derivative, and its production and use |
| 07/22/1999 | WO1999036098A1 Antibacterial composition for topical administration containing antibiotics |
| 07/21/1999 | EP0930313A1 1-isothiazolidinone derivatives of azetidine-2-one, process for the preperation thereof and the use thereof |
| 07/21/1999 | CN1044247C Penicillic olefin derivant and preparation process and use thereof |
| 07/20/1999 | CA2256096A1 1-isothiazolidinone derivatives of azetidine-2-one, processes for the preparation thereof and use thereof |
| 07/14/1999 | CN1222905A New synthetic catechol derivatives, method for production and use thereof |
| 07/13/1999 | US5922907 A chemical intermediate phenylglycyl hydroxyethyl ester or 4-phenylglycyl hydroxyethyl ester |
| 07/13/1999 | US5922861 Hydrolysis of tertiary butyl ester by reacting with compound selected from tetrahalogenides of titanium, tin and tellerium |
| 07/08/1999 | WO1999033838A1 2-β-SUBSTITUTED-6-ALKYLIDENE PENICILLANIC ACID DERIVATIVES AS β-LACTAMASE INHIBITORS |
| 07/08/1999 | WO1999033837A1 PROCESS FOR THE PREPARATION OF α-OXOLACTAMS |
| 07/06/1999 | CA2017920C Beta-lactam elastase inhibitors |
| 07/01/1999 | WO1999032493A1 Process for purifying a solution of an ampicillin pro-drug ester |
| 07/01/1999 | CA2315082A1 Process for purifying a solution of an ampicillin pro-drug ester |
| 06/29/1999 | US5916762 Process for the recovery of ampicillin |
| 06/29/1999 | CA2019260C Penam derivatives and salts thereof, processes for producing the same and antibacterial agent comprising the same |
| 06/10/1999 | WO1999028308A1 Antibiotics and process for preparation |
| 06/09/1999 | EP0920527A1 SYNTHESIS OF beta-LACTAM ANTIBACTERIALS USING SOLUBLE SIDE CHAIN ESTERS AND ENZYME ACYLASE |
| 06/02/1999 | EP0918520A1 Process for preparing potassium clavulanate |
| 06/01/1999 | US5908929 Reacting a-phenyl glycine with an acid chloride; condensation with a alkyl guanidine salt; hydrolysis |
| 05/20/1999 | WO1999024441A1 Crystallization of beta-lactam compounds |
| 05/18/1999 | US5905147 Halogenation and dehalogenation with cyclization to form penicillin rings or cephalosporins |
| 05/18/1999 | US5905144 Preparing synergistic anti-hiv drugs by linking nucleoside compound like ribavirin to zidovudine, 2',3'-dideoxyinosine, or 3'-dioxy-2',3'-didehydrothymidine with diacid chloride forming diester compound |
| 04/14/1999 | EP0907654A1 De-esterification process |
| 04/14/1999 | EP0907653A1 Process for the preparation of penam and penem derivatives |
| 04/14/1999 | EP0907633A1 New synthetic catechol derivatives, method for production and use thereof |
| 04/01/1999 | WO1999015532A1 PROCESS FOR RECOVERY OF A β-LACTAM ANTIBIOTIC |
| 04/01/1999 | WO1999015531A1 PROCEDE FOR RECOVERY OF A β-LACTAM ANTIBIOTIC |
| 03/24/1999 | CN1211988A Process for preparation of 2-halomethyl-penems and their use for preparation of antibacterial penems |
| 03/23/1999 | US5885981 Reacting a halogenated alkyl compound with a penem compound |
| 03/09/1999 | US5880111 Therapeutic derivations of diphosphonates |
| 01/28/1999 | WO1999003859A1 Novel spiroazabicyclic heterocyclic compounds |
| 01/07/1999 | EP0888360A1 Penicillin glycolate |
| 01/05/1999 | US5856475 4-thia-1-azabicyclo/3.2.0/Heptane-3-Imino-2-isopropylidene-7-oxo-analogons of beta-lactams, processes for their preparation and the use thereof |
| 01/05/1999 | US5856474 Cephalosporin synthesis |
| 12/30/1998 | WO1998058931A1 PROCESS FOR PRODUCING β-LACTAM DERIVATIVES |
| 12/29/1998 | US5854227 Therapeutic derivatives of diphosphonates |
| 12/22/1998 | CA2001201C Antimicrobial quinolonyl lactams esters |
| 12/16/1998 | EP0883620A1 Process for the preparation of 2-halomethyl-penems and their use for the preparation of antibacterial penems |
| 12/16/1998 | CN1201795A Preparation of 7-amino-deacetylated cefa-alkylation acid |
| 12/15/1998 | CA1340273C 6-substituted thia-aza compounds |
| 12/09/1998 | EP0882057A1 Sialyl lewis x mimetics containing naphthyl backbones |
| 12/09/1998 | EP0882034A1 Sialyl lewis x mimetics containing phenyl backbones |
| 11/24/1998 | US5840885 Processes for the production of 6-α-aminoacyl-penicillin and 7-.alpha. |
| 11/17/1998 | US5837689 Treating a selectin-mediated disorder such as cancer, autoimmune diseases, inflammation |
| 11/04/1998 | EP0705244B1 Nitrato amino acid disulphides for use in the therapy of disorders of the cardiovasculary system |
| 11/03/1998 | US5830889 Antibiotic in oral dosage forms |
| 10/29/1998 | WO1998048037A1 A METHOD FOR CONTROLLING THE SOLUBILITY OF A β-LACTAM NUCLEUS |
| 10/22/1998 | WO1998046566A1 IMPROVED β-LACTAM ANTIBIOTICS |
| 10/21/1998 | EP0871632A1 Production of a crystalline salt of amoxicillin |
| 10/14/1998 | EP0869962A1 Process for the recovery of a beta-lactam antibiotic |
| 10/14/1998 | EP0869960A1 Process for the recovery of ampicillin |
| 10/14/1998 | EP0544905B1 Antibacterial penem compounds |
| 10/14/1998 | CN1195664A New benzoxazinedione derivatives, method of producing them and use thereof |
| 10/13/1998 | US5821362 Method of desilylating silylether compounds |
| 09/11/1998 | WO1998039336A1 Process for producing exo-methylenepenam compounds |
| 09/09/1998 | EP0863139A1 Benzoxazindione derivatives, process for their preparation and their use |
| 09/05/1998 | CA2230965A1 New benzoxazinedione derivatives, a method of producing them and the use thereof |
| 09/01/1998 | US5801242 Process for making quinolonyl lactam antimicrobials and novel intermediate compounds |
| 08/26/1998 | CN1191221A Process for one-shot crystallization of sodium penicillin |
| 08/04/1998 | US5789584 Substituted-pyridinyl cephalosporin antibiotics active against methicillin resistant bacteria |
| 08/04/1998 | US5789385 Sialyl Lewisx mimetics containing phenyl backbones |
| 07/30/1998 | WO1998032766A1 SUBSTITUTED AMINO BICYCLIC-β-LACTAM PENAM AND CEPHAM DERIVATIVES AS CYSTEINE PROTEASE INHIBITORS |
| 07/30/1998 | WO1998032718A1 New fatty acid derivatives |
| 07/30/1998 | CA2278779A1 Substituted amino bicyclic-.beta.-lactam penam and cepham derivatives as cysteine protease inhibitors |
| 07/15/1998 | EP0852499A1 Therapeutic azide compounds |
| 07/15/1998 | CN1187822A Improved process for producing penicillin G phenyl ester |
| 06/24/1998 | CN1185439A Butanol crystallizing process for carbonate extraction of penicillsodium |
| 06/17/1998 | CN1185157A Recovery of ampicillin |
| 06/11/1998 | WO1998024775A1 Method for producing metal complex carboxylic acid amides |
| 06/10/1998 | DE19652386A1 Verfahren zur Herstellung von Metallkomplexcarbonsäureamiden A process for preparing Metallkomplexcarbonsäureamiden |
| 06/09/1998 | US5763603 Crystalline tazobactam, and its production and use |
| 05/26/1998 | US5756493 Active against methicillin resistant bacteria |
| 05/20/1998 | EP0842180A1 Novel penam sulfones as beta-lactamase inhibitors |
| 05/12/1998 | US5750684 Bactericides |
| 05/12/1998 | CA1339860C Derivatives of penem |
| 05/07/1998 | DE19646550A1 Bio-catalytic fission of a penicillin or cephalosporin G |