.beta.-Lactam antibiotics

US4515789A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Karl G. Metzger · Wuppertal, DE
• Wilfried Schrock
• Dieter Habich · Wuppertal, DE
• Paul Naab · Bad Reichenhall, DE
• Hans-Joachim Zeiler · Velbert, DE

Key dates

• Filing date: Apr 7, 1983
• Grant date: May 7, 1985
• Expiry date: Apr 7, 2003

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F7/1804
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A 3-.beta.-(vic-dihydroxyphenylmethyleneamino-2-oxo-imidazolidine)- or 3-.beta.-(vic-dihydroxyphenyl-methyleneamino-2,3-dioxo-piperazine)-1-carbo nylamino-acetamidoazetidin-2-one having an acidic grouping on .sub.1 N, e.g. of the formula ##STR1## The compounds are antibiotically active, especially against Pseudomonas bacteria and can be used in combating bacterial infection, as a preservative and as a growth promoting agent in animal feeds.