Patents
Patents for C07D 501 - Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula: , e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring (7,574)
01/2011
01/26/2011CN101955493A Method for preparing cefotiam hexetil hydrochloride and composition of cefotiam hexetil hydrochloride
01/26/2011CN101955492A Preparation method of cefuroxime sodium
01/26/2011CN101337971B Method for synthesizing antibiotic cefepime hydrochloride
01/19/2011CN101948476A Method for preparing cefotiam hexetil hydrochloride
01/19/2011CN101584665B Cefotiam hydrochloride medicament composition sterile powder injection and preparation method thereof
01/18/2011US7871997 Potency against gram-positive bacteria, methicillin-resistant Staphylococci aureus (MRSA), methicillin-resistant Staphylococci epidermitis (MRSE).
01/12/2011EP1274695B1 New thiazol compounds and their preparations
01/12/2011CN101941983A Preparation method of high-purity cefoxitin sodium
01/12/2011CN101941982A Novel preparation method of pharmaceutical ceforanide
01/12/2011CN101456871B Cephalosporin derivative containing mercaptothiazole
01/12/2011CN101337969B Synthetic method of antibiotic cefixime
01/12/2011CN101302226B Preparation of cephamycine intermediate compound
01/12/2011CN101293891B Method for preparing ceftazidime midbody
01/11/2011US7868147 Fluorescent probe
01/05/2011EP2268648A1 Crystalline (6r,7r)-7-{2-(5-amino-ý1,2,4¨thiadiazol-3-yl)-2-ý(z)-trityloxyimino¨-acetylamino}-3-ý(r)-1'-tert-butoxycarbonyl-2-oxo-ý1,3'¨bipyrrolidinyl-(3e)-ylidenemethyl¨-8-oxo-5-thia-1-aza-bicycloý4.2.0¨oct-2-ene-2-carboxylic acid benzhydryl ester; its manufacture and use
01/05/2011CN101935325A Preparation method of cefepime hydrochloride
12/2010
12/29/2010CN201684603U Cefprozil intermediate extracting reactor
12/29/2010CN201684602U Cefprozi reaction kettle
12/29/2010CN201684593U Temperature control system of cefprozil reaction kettle
12/29/2010CN201684434U Cefprozil mother nucleus reactor
12/29/2010CN101928292A Method for preparing cefuroxime acid
12/29/2010CN101926804A Ceforanide C-type crystal composition for injection and preparation method thereof
12/29/2010CN101550151B Cefmetazole sodium compound synthetic method
12/29/2010CN101550150B Cefmenoxime compound and synthetic method thereof
12/22/2010CN1876659B Acid cefotetan totally solvent-free and method for obtaining same
12/22/2010CN101921284A Preparation method of cefathiamidine
12/22/2010CN101606910B Ceftizoxime sodium drug injection powder and preparation method thereof, as well as synthetic method of bulk drug ceftizoxime sodium
12/22/2010CN101220041B Cephalosporin derivant
12/15/2010CN101914106A Cefamandole nafate hydrate and preparation method thereof
12/15/2010CN101914105A Preparation method of cephalotin acid
12/15/2010CN101671349B New method for preparing cefuroxime sodium compound
12/15/2010CN101357929B Cephalosporin derivative containing sulfhydryl thiadiazole
12/15/2010CN101333224B Method for preparing high-purity 4-Methoxybenzyl 3-chloromethyl-7-(2-phenylacetamido)-3-cephem--carboxylate powder
12/15/2010CN101289456B Method for synthesizing cefuroxime sodium
12/08/2010CN101906109A Method for preparing cefuroxime sodium
12/08/2010CN101486718B Process for preparing cefathiamidine
12/08/2010CN101230069B Novel cephalosporin derivant
12/08/2010CN101210023B Novel cephalosporin derivatives
12/08/2010CN101007812B Antibacterial drugs cefoxitin preparation process
12/07/2010US7847093 Processes for the preparations of cefepime
12/02/2010WO2010136423A1 Method for the production of ceftobiprole medocaril
12/02/2010WO2010136422A1 Method for the production of ceftobiprole medocaril
12/01/2010CN1951942B Purification of beta-lactam products
12/01/2010CN101323623B Novel fourth generation cephalosporin, preparation and use thereof
11/2010
11/24/2010CN101891757A Preparation method of catalyst for producing cephalosporin
11/24/2010CN101891755A Cefsulodin sodium compound and novel preparation method thereof
11/24/2010CN101210020B Cephalosporin compound
11/17/2010CN101343282B Cephalosporin derivatives containing condensed nucleus
11/16/2010US7833998 cephalosporin sulfoxides or sulfones; carboxypeptidase E inhibitors; neurological disease, a behavioral disorder, or a cognitive disorder;
11/10/2010CN101880291A Preparation method of cefpirome sulfate sterile powder
11/10/2010CN101880290A Preparation method of cefamandole nafate
11/10/2010CN101880289A Cefprozi compound and preparation method thereof
11/03/2010CN101875660A Method for separating and purifying deacetyl cephalosporin C from cephalosporin C fermentation liquor
11/03/2010CN101874804A Anti-drug resistance antibiotic
11/02/2010US7825241 Acetyl protecting oxime group and amidation of position 7 amino group of cephalosporin ring; salt formation crystallization purification; simple synthesis, high purity cephalosporin derivatives
10/2010
10/27/2010CN101870704A Method for purifying cefotetan acid crude products
10/20/2010CN101863907A Method for crystallizing cefoperazone sodium
10/20/2010CN101863906A Crystallization method of cefcapene ester hydrochloride monohydrate
10/20/2010CN101862296A Cefmetazole sodium composition powder injection for injection
10/14/2010US20100261897 Improved Process For the Preparation of Cephalosporin Antibiotic Intermediate
10/14/2010US20100261700 Beta-lactamase inhibitors
10/13/2010CN101857600A Method for preparing 7-phenylacetylamino-3-methylcephalosporanic acid
10/13/2010CN101856356A Cefazedone sodium composition powder injection
10/13/2010CN101279978B Separation and purification method of cefathiamidine and preparation of cefathiamidine power injection
10/13/2010CN101245081B Novel cephalosporin derivative
10/06/2010CN101851249A Method for preparing cefcapene pivoxil hydrochloride
10/06/2010CN101851248A Method for preparing ceftizoxime pivoxil
09/2010
09/29/2010CN101843589A Ceftizoxime sodium composition sterile powder for injection
09/22/2010CN101838277A Cefotetan disodium hydrate and preparation method and application thereof
09/15/2010CN1880318B Process for obtaining cefotetan with high yield
09/15/2010CN101830916A Cefbuperazone sodium hydrate, preparation method thereof and application thereof
09/15/2010CN101830915A Cefodizime sodium hydrate, preparation method thereof and application thereof
09/15/2010CN101830914A Cefuroxime lysine crystal compound and preparation method thereof
09/15/2010CN101830913A Cephalosporins parent nucleus derived compound, cephem onium salt compound prepared by same and method for preparing cephalosporins pyrazol sulfate by adopting same
09/15/2010CN101830912A Cefetamet pivoxil hydrochloride compound and new preparation method thereof
09/15/2010CN101829601A Method for preparing environmentally-friendly catalyst for producing cephalosporin
09/10/2010WO2010075765A9 Cefdinir acid double salt and its preparation
09/09/2010US20100228015 Prodrug derivatives of acids using alcohols with homotopic hydroxy groups and methods for their preparation and use
09/09/2010US20100227843 Beta-lactamase-resistant cephalosporin ester compounds and salts of thereof
09/08/2010CN101143870B Novel cephalosporin derivative
09/02/2010WO2010097675A1 An improved preparation process for cefpodoxime proxetil
09/01/2010CN101817835A Cefdinir compound and new preparation method thereof
08/2010
08/25/2010CN101812077A Novel ceftriaxone disodium and preparation method thereof
08/25/2010CN101812076A Cefuroxime sodium and preparation method thereof
08/25/2010CN101812075A Cefixime compound and novel preparation method thereof
08/18/2010EP2218723A2 Processes for the preparations of cefepime
08/18/2010CN101805357A Cefaclor compound and novel preparation method thereof
08/18/2010CN101638412B Cefepime hydrochloride compound prepared by new synthetic method
08/18/2010CN101633666B Cefotiam hydrochloride compound in new path
08/18/2010CN101475580B Cefamandole nafate compounds synthesizing method
08/18/2010CN101348493B High-purity medicament and preparation thereof
08/12/2010WO2010089729A1 Processes for the preparation of cefozopran, its salts and polymorphic forms thereof
08/11/2010CN1958591B Method for preparing intermediate in cephalosporins, and method for preparing ceftizoxime alapivoxil
08/11/2010CN101798315A Cephalosporin derivative containing aza-cyclopropane nitrogen heterocyclic ring
08/11/2010CN101798314A High-purity cefmenoxime hydrochloride compound
08/11/2010CN101798313A New preparation method of Cefdinir
08/11/2010CN101798312A Novel route cefprozil compound
08/05/2010US20100197569 Cross-linked glycopeptide-cephalosporin antibiotics
08/04/2010EP2213676A1 A Novel process for preparation of cefprozil
08/04/2010CN101792456A Preparation method of cefetamet pivoxil hydrochloride
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