Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing heterocyclic carbon compound having only o – n – s,...
Patent
1982-09-22
1984-06-26
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,...
435886, C12P 1718, C12R 1465
Patent
active
044566867
ABSTRACT:
A new antibiotic having .beta.-lactamase inhibitory activity, PA-39504-X.sub.1 of the formula: ##STR1## being useful as a medicament and a veterinary drug for inhibiting the growth of gram-positive and gram-negative pathogenic microorganisms and a process for preparing the same, being characterized by cultivating Streptomyces argenteolus PA-39504 or Streptomyces tokunonensis PA-31088 in a suitable medium and recovering PA-39504-X.sub.1 from the cultured broth.
REFERENCES:
patent: 4229534 (1980-10-01), Kahan et al.
patent: 4235967 (1980-11-01), Cassidy et al.
Kondo Eiji
Matsumoto Kouichi
Shoji Jun'ichi
Tanaka Kentaro
Tsuji Naoki
Shionogi & Co. Ltd.
Tanenholtz Alvin E.
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