Cephalosporine die im Stellung 7 ein substituiertes Benzyloxyiminoradikal enthalten, Verfahren zu ihrer Herstellung und Zwischenverbindungen zu ihrer Herstellung, ihre Anwendung als Medikamente

摘要

Syn isomer of cpds. of formula (I), and their salts, are new. In (I), R1-R3, R5 = H, halo, OH, 1-4C alkyl (opt. substd. by halo, 1-4C alkyloxy, SH etc.); R4 = OH or 1-8C acyloxy; R7 = H or (1-3C alkyloxy)carbonyl; A = e.g. H, an equivalent of alkali(ne earth) metal, Mg, ammonium or aminated organic base etc.; or CO2A = CO2-; wavy line shows that CH2R6 can be in E- or Z-position; R6 = e.g. quat. ammonium or gp. of formula (i); X = CH2, NH, O or S; and Y, T, U, V, W and Z = CH or N; with the provisos.