Antibiotics SF-2050 and SF-2050B substances and production and u

Details Antibiotics SF-2050 and SF-2050B substances and production and u Antibiotics SF-2050 and SF-2050B substances and production and u

1979-01-26

1980-09-02

Shapiro, Lionel M.

Drug, bio-affecting and body treating compositions

Fermentate of unknown chemical structure

Having a known elemental analysis

435130, 435169, 435886, C12D 914, A61K 3500

Patent

active

042206391

ABSTRACT:
New antibiotics, SF-2050 substance and SF-2050B substance are produced by cultivating a microorganism Streptomyces sp. SF-2050 now deposited under FERM-P 4358 and under ATCC. 31450 in a liquid culture medium under aerobic conditions, and these antibiotics may be isolated from the fermentation broth and useful as an antibacterial agent. These antibiotics have an activity inhibitory to .beta.-lactamase.

REFERENCES:
patent: 3928569 (1975-12-01), Umezawa et al.

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