Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing heterocyclic carbon compound having only o – n – s,...
Patent
1977-07-08
1979-09-18
Tanenholtz, Alvin E.
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing heterocyclic carbon compound having only o, n, s,...
2603269, C12D 914
Patent
active
041682025
ABSTRACT:
The antibiotics MSD 890A.sub.2 and MSD 890A.sub.5 and pharmaceutically acceptable salts thereof (hereinafter referred to as antibiotics 890A.sub.2 and 890A.sub.5) are active against both gram-positive and gram-negative bacteria. The antibiotics are produced by growing species of Streptomyces on suitable fermentation media.
REFERENCES:
chemical Abstracts, vol. 72, 11387u (1970).
Cassidy Patrick J.
Goegelman Robert T.
Hernandez Sebastian
Stapley Edward O.
Arno James A.
Levitt Julian S.
Merck & Co. , Inc.
Pfeiffer Hesna J.
Tanenholtz Alvin E.
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