Hoechst Aktiengesellschaft

Christopher M Franco

Bimal N Ganguli

Hans-Wolfram Fehlhaber

Sugata Chatterjee

Jurgen Blumbach

Herbert Kogler

Erra K Vijayakumar

Richard H Rupp

Goukanapalli C Reddy

Triptikumar Mukhopadhyay

Julia Gandhi

Louis E Coutinho

Dilip J Upadhyay

Cammunocin, an active substance which can be obtained by cultivation of Streptomyces species Y-84,36210 (DSM 4329), has antibiotic and immunosuppressant activity.

Antibiotic, cammunocin, a process for the preparation thereof, and the

The novel compounds of formulas I and II ##STR1## have an antibiotic activity.

Antibiotic compounds and their production

Butalactin, a compound of the formula I ##STR1## can be produced by cultivation of Streptomyces species Y-86,36923. Butalactin has an antibiotic activity.

Butalactin and its use as pharmaceutical

Alisamycin, a compound of the formula I ##STR1## has an antibiotic, antitumor and antiparasitic action.

Antibiotic alisamycin and its use

The present invention relates to the macrolide antibiotic swalpamycin, to a microbiological process for its preparation, to a new microorganism strain Streptomyces species, and to the use of swalpamycin as a medicinal agent for the treatment of infections caused by bacteria, mycoplasmas and Actinomycetes.

Macrolide antibiotic and its use as a medicinal agent

The present invention relates to the compound naphthomycin H of the formula I ##STR1## and to a microbiological process for its preparation. The compound is active against Gram-positive bacteria and fungi and can be used as an antibiotic.

Growing community of inventors

Bombay, India

Christopher M Franco