cephalosporins in position 7 substituiertes benzyloxyiminoradikal contain, method of manufacture and interconnection to their production, their use as medicines

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.