61560-99-4Relevant academic research and scientific papers
7[(2-Hydroxyamino-2-disubstituted phenyl-acetamido)-]3-heterocyclicthio-3-cephem-4-carboxylic acids
-
, (2008/06/13)
The new 7-(α,α-disubstituted-acetamido)-3-substituted-3-cephem-4-carboxylic acid of the present invention is represented by the following formula: STR1 wherein R1 is hydrogen, halogen, hydroxy, nitro, lower alkoxy or acylamino, R2 is hydrogen or acyl and R3 is lower alkanoyloxy, carbamoyloxy which may have lower alkyl, aryl or protective group for amino, or a heterocyclicthio which may have lower alkyl, aryl or protective group for amino, or a hetero- which may have lower alkyl.
