a new generation kwasow 7 beta / d - 2 - aminomethod of producing new 7 beta / d - 2 - amino - 2 / r - sulfonyloaminophenylo - acetylamino - 3 - r - 3 - cephemo - 4 - c - 2 - r - sulfonyloaminofenylo - acetylamino - 3 - r - 3 - cearboxylic femo - 4 - carboxylic acids

摘要

The invention relates to 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 salts, which compounds possess antibiotic properties.