STRUCTURES AND ABSOLUTE-CONFIGURATIONS OF ANTIBIOTICS OF THE OLIGOSPORON GROUP FROM THE NEMATODE-TRAPPING FUNGUS ARTHROBOTRYS OLIGOSPORA

被引:51
作者
ANDERSON, MG [1 ]
JARMAN, TB [1 ]
RICKARDS, RW [1 ]
机构
[1] AUSTRALIAN NATL UNIV,RES SCH CHEM,CANBERRA,ACT 0200,AUSTRALIA
关键词
D O I
10.7164/antibiotics.48.391
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
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.
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页码:391 / 398
页数:8
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