## Abstract Three closely related new metabolites named ripostatins were isolated from the myxobacterium __Sorangium cellulosum__ and their structures elucidated by spectroscopic methods. Two of them, ripostatin A (1a, b) and B (2a), are 14βmembered macrolides with an acetic acid and a phenylalkyl
Structure elucidation of streptindole, a novel genotoxic metabolite isolated from intestinal bacteria
β Scribed by Toshihiko Osawa; Mitsuo Namiki
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- French
- Weight
- 222 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
The structure of genotoxic metabolite, streptindole, isolated from intestinal bacteria (Streptococcus faecium IB 37) has been established as 2,2di(3-indolyl) ethyl acetate by spectroscopic and synthetic methods.
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## Abstract From the myxobacterium __Sorangium cellulosum__, strain So ce26, a novel group of highly active antifungal metabolites was isolated. Largeβscale production of the basic compound soraphen A~1Ξ±~ (1) was achieved by fermentation in the presence of the adsorber resin XADβ16, extraction and
Antibiotics I Sorangium cellulosum I Macrolides I Mass spectrometry I X-ray structure analysis Two novel metabolites, sorangiolide A (1) and B (2), were isolated from the mother liquors and side fractions of the sorangicin A pilot-scale production. Their structures were elucidated by 2D-NMR spectros