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J Antibiot (Tokyo). 1995 May;48(5):391-8.

Structures and absolute configurations of antibiotics of the oligosporon group from the nematode-trapping fungus Arthrobotrys oligospora.

Author information

1
Research School of Chemistry, Australian National University, Canberra.

Abstract

Spectroscopic data define the structures of three new antibiotics, 4',5'-dihydro-oligosporon (4), hydroxyoligosporon (5) and 10',11'-epoxyoligosporon (6) from the nematode-trapping fungus Arthrobotrys oligospora, and confirm the structures of the recently reported antibiotics oligosporon (1) and oligosporol B (3). The absolute configuration of the substituted 7-oxabicyclo[4.1.0]hept-3-ene nucleus of these metabolites is determined by circular dichroic spectroscopy. Oligosporon (1) and its dihydro-derivative (4) represent the second and most complex structural type of nematocidal metabolite to be characterised from cultures of nematophagous fungi.

PMID:
7797441
DOI:
10.7164/antibiotics.48.391
[Indexed for MEDLINE]
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