68672-76-4

Upstream product

• 71092-00-7 ester de tert-butylique de l'acide (acetoxy methyl)-3(<<(methoxy-1 methyl-1 ethoxy)-imino-2 Z (tritylamino-2 thiazolyl-4)-2>-acetyl>-amino)-7 β cepheme-3 carboxylique-4 
• 68672-71-9 2-(2-triphenylmethylamino-4-thiazolyl)-2-[Z-(1-methoxy-1-methylethyl)oxyimino]acetic acid 
• 6187-87-7 7-Aminocephalosporanic acid t-butyl ester 
• 68672-45-7 (Z)-2-Hydroxyimino-2-(2-triphenylmethylaminothiazol-4-yl)-acetic acid 

Downstream Products

• 68672-80-0 sel de diethylammonium de l'acide (acetoxy methyl)-3(<<<(dimethyl-1,1 ethoxy)-2 oxo-2 ethoxy>imino-2 Z (tritylamino-2 thiazolyl-4)-2>-acetyl>-amino)-7 β cepheme-3 carboxylique-4 
• 72697-58-6 sel de diethylammonium de l'acide (acetoxy methyl)-3(<<<(dimethyl-1,1 ethoxy)-2 oxo-2 phenyl-1 ethoxy>-imino-2 Z (tritylamino-2 thiazolyl-4)-2>-acetyl>-amino)-7 β cepheme-3 carboxylique-4 

Relevant academic research and scientific papers

Novel oximes

Novel syn isomers of 3-substituted-7-amino-thiazolyl-acetamido-cephalosporanic acid compounds of the formula STR1 wherein R is selected from the group consisting of alkyl of 1 to 5 carbon atoms, cycloalkyl of 3 to 5 carbon atoms and --CH2 --S--R1, R1 is selected from the group consisting of 2-methyl-1,3,4-thiadiazolyl, 1-methyl tetrazolyl, acyl of an organic carboxylic acid of 2 to 4 carbon atoms and STR2 R2 is selected from the group consisting of alkyl and alkoxy of 1 to 4 carbon atoms and A is selected from the group consisting of hydrogen, alkali metal, alkaline earth metal, magnesium and a non-toxic, pharmaceutically acceptable organic amine having antibiotic activity and novel intermediates and process for their preparation.

Cephalosporanic acid derivatives

Novel syn isomers of 7-amino-thiazolyl-acetamido-3-acetoxymethyl-cephalosporanic acid derivatives of the formula STR1 wherein R1 is selected from the group consisting of --CN, --CONH2 and --COOR1 ', R1 ' is selected from the group consisting of alkyl of 1 to 3 carbon atoms, hydrogen, alkali metal, alkaline earth metal, ammonium, magnesium and a non-toxic, pharmaceutically acceptable organic amine, A is selected from the group consisting of hydrogen, alkali metal, alkaline earth metal, ammonium, magnesium and a non-toxic, pharmaceutically acceptable organic amine, R' and R" are individually selected from the group consisting of hydrogen and alkyl of 1 to 3 carbon atoms with the STR2 group in the syn position with the proviso that when R1 is --COOR1 ' and R1 ' is hydrogen, A is hydrogen and when R1 is --COOR1 ' and R1 ' is an alkali metal, alkaline earth metal, magnesium, ammonium or an organic amine, A is an alkali metal, alkaline earth metal, magnesium ammonium or an organic amine having antibiotic properties and novel intermediates and processes.