Alpha-(imidazolidinonyl carbonylamino) penicillins and cephalosporins - active against gram negative species and useful e.g. as feed additives

• Main Authors: PREISS,MICHAEL,DR, KOENIG,H.-B.,DR, METZGER,K.-G.,DR, SCHROECK,WILFRIED,DR
• Format: Patent
• Language: English; German
• Published: 12.08.1976
• Edition: 2
• Subjects: CHEMISTRY; HETEROCYCLIC COMPOUNDS; METALLURGY; ORGANIC CHEMISTRY

Antibiotics are of formula (I) and non-toxic salts and hydrates (where R = H or CH3O; Z = R1R2CN- or R1R2C(OH).NH-; R1 and R2 = H; opt. substd. alkyl or alkenyl; opt. substd. cycloalkyl, cycloalkenyl, cycloalkedienyl, aralkyl, aryl, or heterocyclyl; COOH; COOCH3; COOC2H5; CN; NO2; lower alkylcarbony...