Pigments of fungi.: LV -: The absolute configuration of dermocanarin 4 and the structure and stereochemistry of the dermocanarins 5, 6, 8 and 9 from Australian toadstools belonging to the genus Cortinarius

被引:12
|
作者
Elsworth, C [1 ]
Gill, M [1 ]
Milanovic, NM [1 ]
机构
[1] Univ Melbourne, Sch Chem, Parkville, Vic 3052, Australia
关键词
D O I
10.1071/CH99076
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The stereochemistry in the dihydroanthracenone ring of dermocanarin 4 (1) is defined as (S) by incorporation of the gentiobioside (2) of (S)-[6-OMe-C-13]torosachrysone into the dihydroanthracenone ring of dermocanarin 4 by fruiting bodies of Cortinarius sinapicolor. In addition, the new dermocanarins 5 (3), 6 (4), 8 (5) and 9 (6) are isolated from two other indigenous toadstools belonging to Cortinarius and their structure and stereochemistry are deduced from the respective spectroscopic data and by comparison with dermocanarin 4 (1).
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页码:867 / 873
页数:7
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