New siphulin derivatives from the lichen Siphula ceratites

From the lichen, Siphula ceratites, two new metabolities, protosiphulin and oxysiphulin, were isolated besides the known compound, siphulin. The structures of the two new chromenones were proved by 1H NMR and 13C NMR spectral analysis in comparison with those of siphulin.

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Bibliographic Details
Published inPhytochemistry (Oxford) Vol. 19; no. 3; pp. 467 - 469
Main Authors Shimada (née Miyoshi), Sachiko, Saitoh, Tamotsu, Namiki, Yoshihiko, Sankawa, Ushio, Shibata, Shoji
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 1980
Subjects
chromenones
lichen metabolites
oxysiphulin
plant biochemistry
plant physiology
protosiphulin
Siphula ceratites
siphulin
Usneaceae
chromenones
oxysiphulin
protosiphulin
lichen metabolites
Usneaceae
siphulin
Siphula ceratites
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Summary:From the lichen, Siphula ceratites, two new metabolities, protosiphulin and oxysiphulin, were isolated besides the known compound, siphulin. The structures of the two new chromenones were proved by 1H NMR and 13C NMR spectral analysis in comparison with those of siphulin.
ISSN:0031-9422
1873-3700
DOI:10.1016/0031-9422(80)83204-3