发明名称 |
Process of preparation of antibiotic F.I. 1762 derivatives |
摘要 |
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 DEG and 37 DEG 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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申请公布号 |
US4012284(A) |
申请公布日期 |
1977.03.15 |
申请号 |
US19640404550 |
申请日期 |
1964.10.06 |
申请人 |
SOCIETA'+0 FARMACEUTICI ITALIA, S.P.A. |
发明人 |
DI MARCO, AURELIO;CANEVAZZI, GRAZIANA;GREIN, ARPAD;OREZZI, PIERGIUSEPPE;GAETANI, MARCELLO |
分类号 |
(IPC1-7):C12D9/14 |
主分类号 |
(IPC1-7):C12D9/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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