Bisabolene sesquiterpenes and flavonoids from Friesodielsia enghiana

An investigation of the stem bark of Friesodielsia enghiana led to the isolation of benzyl benzoate and benzyl 2-hydroxybenzoate, two bisabolene sesquiterpenes and nine flavonoids, two of which were new. The new compounds were identified by analysis of their spectroscopic data as 2,5-dihydroxy-7-met...

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Bibliographic Details
Published inPhytochemistry (Oxford) Vol. 44; no. 2; pp. 315 - 318
Main Authors Fleischer, Theophilus C., Waigh, Roger D., Waterman, Peter G.
Format Journal Article
LanguageEnglish
Published OXFORD Elsevier Ltd 1997
Elsevier
Subjects
Biochemistry & Molecular Biology
Biological and medical sciences
Chemical constitution
Fundamental and applied biological sciences. Psychology
Life Sciences & Biomedicine
Plant physiology and development
Plant Sciences
Science & Technology
bisabolene sesquiterpenes
flavones
Freisodielsia enghiana
Annonaceae
flavonoids
flavanones
2-hydroxyflavonoids
annonaceae
DERIVATIVES
Molecular structure
Dicotyledones
Sesquiterpenes
Angiospermae
Bark
Isolation
Spermatophyta
Flavonoid
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Summary:An investigation of the stem bark of Friesodielsia enghiana led to the isolation of benzyl benzoate and benzyl 2-hydroxybenzoate, two bisabolene sesquiterpenes and nine flavonoids, two of which were new. The new compounds were identified by analysis of their spectroscopic data as 2,5-dihydroxy-7-methoxy-8-methylflavanone and 2,5-dihydroxy-7-methoxy-6-methylflavanone. Three of the co-occurring flavones also have 6- and/or 8-C- methylation.
ISSN:0031-9422
1873-3700
DOI:10.1016/S0031-9422(96)00527-4