84572-79-2Relevant academic research and scientific papers
Novel β-lactam acetic acid derivatives
-
, (2008/06/13)
New β-lactam acetic acid derivatives I STR1 wherein R represents alkyl, alkyl substituted with amino, protected amino, mono- or di-alkylamino, hydroxy, protected hydroxy or alkoxy, and alkenyl, and their salts are useful as intermediates for preparing 1-azabicyclo [3.2.0]hept-2-ene antibiotics II STR2 The process for preparing the β-lactam acetic acid derivatives I as well as the overall process which starting from the acids I leads to the antibiotics II are also claimed.
