Claims
- 1. A process for preparing the compounds of Formula I, ##STR9## which comprises the controlled aerobic fermentation of a strain of Streptomyces olivaceous, ATCC 53527, in an assimilable aqueous nutrient medium.
- 2. A process according to claim 1 wherein the controlled aerobic fermentation is at a temperature range of from 20.degree. C. to 37.degree. C. for at least 24 hours.
Parent Case Info
This is a division of application Ser. No. 173,342, filed Mar. 25, 1988, which is now U.S. Pat. No. 4,894,370, which is a division of U.S. Ser. No. 934,231, filed on Nov. 21, 1986, which is now U.S. Pat. No. 4,762,923.
US Referenced Citations (4)
Non-Patent Literature Citations (2)
Entry |
Chemical Abstracts, vol. 77, No. 5, Jul. 31, 1972, p. 375, #32682e. |
Chemical Abstracts, vol. 90, No. 13, Mar. 26, 1979, p. 242, #99745q. |
Divisions (2)
|
Number |
Date |
Country |
Parent |
173342 |
Mar 1988 |
|
Parent |
934231 |
Nov 1986 |
|