95560 ⎘
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; Preparation Separation; Purification
NOVEL INDUSTRIAL CRYSTALLIZATION METHOD OF CEFUROXIME SODIUM AND PREPARATION THEREOF
#2Crystalline form of cefamandole nafate compound, preparation and preparing method thereof
#3NOVEL INDUSTRIAL CRYSTALLIZATION METHOD OF CEFUROXIME SODIUM AND PREPARATION THEREOF
#4NEW CRYSTALLINE FORM OF CEFAMANDOLE SODIUM COMPOUND, FORMULATION AND PREPARATION METHOD THEREOF
#5Crystal form of Cefathiamidine compound and preparation method therefor
#6Crystalline (6R,7R)-7-{2-(5-amino-[1,2,4] thiadiazol-3-yl)-2-[(Z)-trityloxyimino]-acetylamino}-3-[(R)-1′-tert-butoxycarbonyl-2-oxo-[1,3′]bipyrrolidinyl-(3E)-ylidenemethyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester; its manufacture and use
#7Method for purifying Ceftizoxime sodium
#8Process for purifying cefotiam hydrochloride
#9Process for refining cefmetazole sodium
#10MACROPOROUS ABSORBENT RESIN FOR EXTRACTING CEPHALOSPORIN C AND METHOD OF PREPARATION
#11Crystalline (6R,7R)-7-{2-(5-amino-[1,2,4] thiadiazol-3-yl)-2-[(Z)-trityloxyimino]-acetylamino}-3-[(R)-1′-tert-butoxycarbonyl-2-oxo-[1,3′]bipyrrolidinyl-(3E)-ylidenemethyl]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester; its manufacture and use
#12Process for the crystallisation of cefadroxil monohydrate
#13Cefazolin sodium pentahydrate crystal and its molecular assembly preparation method
#14Process for the manufacture of cefpodoxime proxetil
#15Novel polymorph of cefdinir