Bayer Aktiengesellschaft

Horst Weyland

Karl G Metzger

Delf Schmidt

Gunter Benz

Theo Schroder

Jorg Pfitzner

An antibiotic compound which can be in the iron-free or iron-containing form and has the structural formula (B) as described herein. The compound possesses antimicrobial activity. Also fermentation processes for preparation of the above-mentioned antibiotic compound. In addition, pharmaceutical compositions containing said antibiotic compound and the use of said antibiotic compound and compositions for combating bacterial infection.

Streptomyces species and process for producing antibiotic

The invention relates to an antibiotic compound which can be in the iron-free or iron-containing form and has the structural formula (A) as described herein. The compound possesses antimicrobial activity. Also included in the invention are fermentation processes for preparation of the above-mentioned antibiotic compound. In addition, the invention includes pharmaceutical compositions containing said antibiotic compound and the use of said antibiotic compound and compositions for combating bacterial infections.

Antibiotic compound, its production and its medicinal use

The invention relates to an antibiotic compound which can be in the iron-free or iron-containing form and has the structural formula (B) as described herein. The compound posesses antimicrobial activity. Also included in the invention are fermentation processes for preparation of the above-mentioned antibiotic compound. In addition, the invention includes pharmaceutical compositions containing said antibiotic compound and the use of said antibiotic compound and compositions for combating bacterial infection.

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Bremerhaven, Germany

Horst Weyland