Process of preparation of antibiotic F.I. 1762 derivatives

Details Process of preparation of antibiotic F.I. 1762 derivatives Process of preparation of antibiotic F.I. 1762 derivatives

1964-10-06

1977-03-15

Goldberg, Jerome D.

Textiles: fiber preparation

424121, 424122, C12D 914

Patent

active

040122840

ABSTRACT:
1. A process for the preparation of a new antibiotic F.I. 1762, which comprises cultivating the Streptomyces 1762 under aerobic conditions in a liquid nutrient medium containing a carbon source, a nitrogen source and mineral salts, at a temperature between 25.degree. and 37.degree. C, over a period of time from 3 to 7 days, and extracting the formed antibiotic from the fermentation broth at a pH between 8 and 9 by means of a water-immiscible solvent, isolating and purifying the antibiotic F.I. 1762.

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