PROCESS FOR THE MANUFACTURE OF HETEROCYCLIC COMPOUNDS CONTAINING AN ALKYLSULPHONYLAMINO GROUP

摘要

PROCESS FOR THE MANUFACTURE OF HETEROCYCLIC COMPOUNDS CONTAINING AN ALKYLSULPHONYLAMINO GROUP The invention relates to the manufacture of 7.beta.-¢D-2-amino-2-(lower alkylsulphonylamino-phenyl)-acetylamino!-3-R-cephem-4-carboxylic acid, in which R denotes lower alkoxy or halogen with an atomic number of up to 35, and their saIts, which compounds possess antibiotic properties.