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(R)-Torosachrysone and the 8-O-β-D-gentiobiosides of (R)- and (S)-torosachrysone from Fungi of the Genus Cortinarius.1

 

作者: SusanN. Eagle,   Melvyn Gill,   Simon Saubern,   Jin Yu,  

 

期刊: Natural Product Letters  （Taylor Available online 1993）
卷期: Volume 2, issue 2  

页码: 151-157

 

ISSN:1057-5634

 

年代: 1993

 

DOI:10.1080/10575639308043800

 

出版商: Taylor & Francis Group

 

关键词: Cortinarius;Basidiomycotina;pigments;dihydroanthracenone;torosachrysone;gentiobiosides;stereochemistry

 

数据来源: Taylor

 

摘要:

The diastereoisomeric gentiobiosides2and5are isolated as their respective heptaacetates3and6in admixture to varying degrees from Australian toadstools belonging to the genusCortinarius. (R)-Torosachrysone (4) is reported for the first time from a fungus and its stereochemistry and optical purity are determined by1H-n.m.r. spectroscopy.

 

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