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Matches 1 - 50 out of 6,498

Document Document Title
WO/2014/189308A1
The present invention relates to: a novel crystal form of cefditoren pivoxil readily convertible into an amorphous form, to be used as an active ingredient of a drug, and having high cefditoren pivoxil purity; and a preparation method th...  
WO/2014/168105A1
A compound represented by formula (I) (In the formula, W is -CH2-, etc., U is -S-, etc., R1 is a substituted or unsubstituted carbocyclic group, etc., R2A and R2B together form an oxo, a substituted or unsubstituted methylidyne or a subs...  
WO/2014/165126A2
Broad spectrum beta-lactamase inhibitors. Certain inhibitors also exhibit potent antibiotic activity in addition to beta-lactamase inhibition. Compounds of the invention are designed such that on cleavage of the beta-lactam ring reactive...  
WO/2014/158952A1
The present invention relates to a compound of formula I wherein x is in the range of from about 1 to about 2. The invention also relates to pharmaceutical compositions containing such compounds; processes for preparing such compounds; a...  
WO/2014/152763A1
Provided herein is a method for the synthesis of cephalosporin antibiotic compounds comprising the conversion of a protected 7-amino group into a 7-carboxamide moiety in a single step.  
WO/2014/128538A1
The invention relates to an in-situ process for the preparation of amoxicillin trihydrate from sugarcane juice without isolation of the intermediates produced during the reaction sequence viz penicillin G and 6-aminopenicillanic acid. Th...  
WO/2014/104148A1
A compound represented by formula (I) (in the formula, W is -CH2- or the like, U is -S- or the like, R1 is a substituted or unsubstituted carbocyclic group or the like, R2A and R2B are a) or b) described in the description, R3 is a hydro...  
WO/2014/069649A1
The invention relates to processes for the production of intermediates for preparing 2-alkyl cephem compounds useful as antimicrobial drugs. The invention provides a process which comprises oxidating a compound of the formula (I) or a sa...  
WO/2014/068388A1
The compounds of formula (I) of the subject invention are related to 2-substituted cephem compounds, which have a wide antimicrobial spectrum, in particular exhibit potent antimicrobial activity against beta-lactamase producing Gram nega...  
WO/2014/040239A1
Disclosed is a cefuroxime sodium crystal compound and a composition powder injection thereof, wherein the crystal form of cefuroxime sodium is amorphous and the preparation method thereof is as follows: reacting cefuroxime acid with sodi...  
WO/2014/026143A1
Disclosed herein are synthesis methods for generation of conjugated anti-microbial compounds and conjugated anti-cancer compounds. Several embodiments, related to the uses of such compounds in the treatment of infections, in particular t...  
WO/2014/012849A1
The present invention relates to a new crystal form of cefoperazone sodium and the method for making said crystal form. The new crystal form has the following characteristics: orthorhombic crystal, space group F222, unit cell dimensions ...  
WO/2013/173519A1
β-Lactamase substrates and methods for using the substrates to detect β-lactamase diagnose tuberculosis.  
WO/2013/114319A1
The present invention concerns a direct process, without the need to isolate any intermediate, for the preparation of Cefepime dihydrochloride monohydrate of sterile quality (for injective use) comprising a preliminary decolorization ste...  
WO/2013/109927A2
It is an object of the present invention to provide antimicrobial metallodrugs comprising an antimicrobial peptide ("AMP") and/or an antibiotic covalently bound to a metal binding moiety. These metallodrugs combine a metal binding domain...  
WO/2013/084171A1
The present invention relates to a process for the preparation of ceftaroline salts or hydrates thereof.  
WO/2013/057197A1
The present invention relates to a process for the preparation of O-formyl cefamandole, an intermediate in the preparation of cefamandole nafate, by formylation of cefamandole.  
WO/2013/057196A1
The present invention relates to a process for the preparation of cefamandole nafate from cefamandole and to the use thereof in the manufacture of a medicament for treatment of a bacterial disease.  
WO/2013/051597A1
A compound represented by formula (I) or a pharmaceutically acceptable salt thereof. (In the formula, A represents a group represented by one of formulae (i)-(iii); B represents a group represented by formula (v) or (vi); and E represent...  
WO/2013/041999A4
The present invention relates to an improved process for the preparation of cefpodoxime acid from 7-Amino cephalosporanic acid. Further the preparation of cefpodoxime proxetil from cefpodoxime acid is also described.  
WO/2013/041999A1
The present invention relates to an improved process for the preparation of cefpodoxime acid from 7-Amino cephalosporanic acid. Further the preparation of cefpodoxime proxetil from cefpodoxime acid is also described.  
WO/2013/034718A1
The present invention relates to a novel process for preparing ceftaroline fosamil as well as to a intermediates of formulae (1), (3) or (4) of this process.  
WO/2013/010297A1
A method for purifying ceftizoxime sodium, comprising (1) dissolving crude ceftizoxime sodium in water, extracting with cyclohexane or ethyl acetate, and acquiring an aqueous phase having ceftizoxime sodium; (2) introducing ammonia or am...  
WO/2013/010296A1
A method for purifying cefmenoxime hydrochloride, comprising specifically the following steps: 1) adding a cefmenoxime hydrochloride-insoluble solvent to a cefmenoxime hydrochloride raw material, removing impurities by filtering; 2) usin...  
WO/2013/002215A1
The present invention provides a novel compound which has a broad antibacterial spectrum and particularly exhibits a high antibacterial activity on β-lactamase-producing gram-negative bacteria. Specifically provided are: a compound repr...  
WO/2012/175587A2
The present invention relates to a crystalline form of an intermediate for cefoperazone of formula (1 ) and to a process for the preparation thereof by enzymatic condensation of a 3'-thiosubstituted β-lactam nucleus with a phenylglycine...  
WO/2012/175587A3
The present invention relates to a crystalline form of an intermediate for cefoperazone of formula (1 ) and to a process for the preparation thereof by enzymatic condensation of a 3'-thiosubstituted β-lactam nucleus with a phenylglycine...  
WO/2012/155203A1
Regulation of nitric oxide release and biofilm development Abstract The present invention relates generally to methods and compounds for regulating the release of nitric oxide in the vicinity of biofilm-forming microorganisms to regulate...  
WO/2012/150520A1
The present invention provides novel cephalosporin derivatives of formula (I), their analogues, their use for the treatment of infections in mammals, pharmaceutical composition containing these novel compounds, and methods for the prepar...  
WO/2012/147773A1
The present invention provides a novel compound having a wide antibacterial spectrum, and expressing strong antibacterial activity against beta-lactamase-producing gram-negative bacteria in particular. This invention provides the compoun...  
WO/2012/134184A3
The present invention relates to a novel cephalosporin derivative indicated in chemical formula 1 of the description. In the chemical formula 1, X, Y, L, R1, R2 are identical as defined in the detailed explanation. In addition, the prese...  
WO/2012/134184A2
The present invention relates to a novel cephalosporin derivative indicated in chemical formula 1 of the description. In the chemical formula 1, X, Y, L, R1, R2 are identical as defined in the detailed explanation. In addition, the prese...  
WO/2012/134184A8
The present invention relates to a novel cephalosporin derivative indicated in chemical formula 1 of the description. In the chemical formula 1, X, Y, L, R1, R2 are identical as defined in the detailed explanation. In addition, the prese...  
WO/2012/126147A1
Disclosed herein is a purification method of cefmetazole sodium including processing steps as follows: step 1), dissolve the raw material cefmetazole sodium into water, and extract it by adding water insoluble organic solvent, then disca...  
WO/2012/126148A1
A method for purifying cefotiam hydrochloride is provided, which comprises the following steps: step 1) dissolving raw material cefotiam hydrochloride in water, treating the solution with an acidic salt, then decreasing the temperature a...  
WO/2012/117038A1
The present invention relates to the degradation of β-lactam compounds such as penicillins in the presence of other β-lactam compounds such as cephalosporins. Furthermore the present invention relates to the use of sulfite in the degra...  
WO/2012/100383A1
Provide a process of refining cefamandole sodium comprising steps as follows: step 1), adsorbing cefamandole sodium by strong acid ion exchange resin, and collecting the eluant after eluting, then decompressing and concentrating to obtai...  
WO/2012/049576A1
The present invention relates to a novel polymorph of Ceftiofur sodium as a crystalline product. The present invention also provides a process for the preparation of a novel polymorph of crystalline Ceftiofur sodium of formula (I).  
WO/2012/032040A1
The present invention relates to a composition comprising ≥85 wt% of an N-deacylated cephalosporin, a process for making the same and the use of said N-deacylated cephalosporin in the preparation of highly pure semi synthetic cephalosp...  
WO/2011/144021A1
A cefpiramide sodium hydrate, preparation method and uses thereof are disclosed. The cefpiramide sodium hydrate has better storage stability, and is applicable to produce medicaments for treating or preventing human or animals diseases o...  
WO/2011/141004A1
A cefodizime sodium hydrate, preparation method and uses thereof are disclosed. The said cefodizime sodium hydrate has better storage stability, and is applicable to pruduce medicaments for treating or preventing human or animals disease...  
WO/2011/141415A1
The present invention relates to an improved process for oxidizing 3-hydroxy-methyl-cephem derivatives to the corresponding 3-formyl-cephem derivatives. In particular this oxidation process is for the preparation of 7-[2-(5-amino-[1,2,4]...  
WO/2011/136268A1
Provided is a cephem compound represented by the following formula, having a broad antibacterial spectrum, and exhibiting strong antibacterial activity particularly with respect to β-lactamase producing gram-negative bacteria. Also prov...  
WO/2011/125967A1
Disclosed is a compound represented by formula (I) (wherein X represents -N=, -CH= or the like; W represents -CH2- or the like; U represents -S- or the like; R1 and R2 each independently represents a hydrogen atom, a halogen atom, an opt...  
WO/2011/125966A1
Disclosed are a compound shown by formula (I), an ester thereof, or a protected product thereof in which an amino group located on the ring in the 7-position side chain is protected, a pharmaceutically acceptable salt of the compound, es...  
WO/2011/121389A1
A process for preparation of cefepime dihydrochloride monohydrate is provided. The process comprises condensing 7-amino-3-[(l -methyl- 1 -pyrrolidino)methyl]-3-cephem-4-carboxylate monohydrochloride dihydrate and 2-mercaptobenzothiazolyl...  
WO/2011/113361A1
Disclosed are a ceftizoxime sodium crystalline hydrate, preparation methods and uses thereof. The ceftizoxime sodium crystalline hydrate has high storage stability, and is suitable for preparing medicaments for treating or preventing dis...  
WO/2011/103686A1
The present invention relates to cephalosporin derivatives having β- lactamase inhibitory activity. The compounds are useful in preventing or treating bacterial resistance to an antibiotic, e.g. a β-lactam antibiotic. Disclosed herein ...  
WO/2011/093294A1
Provided is a process by which an objective cephalosporin derivative having a high Z-isomer content or an alkali metal salt thereof can be prepared via simple steps with industrial advantages. A process for the preparation of a cephalosp...  
WO/2011/078819A1
Present invention relates to pharmaceutically acceptable salts of cefdinir, specifically to primary, secondary and tertiary amine salts of cefdinir, preperation methods and pharmaceutical compositions comprising them.  

Matches 1 - 50 out of 6,498