Chemical constituents of Clausena lenis

N. Wongthet, N. Sanevas, J. Schinnerl, L. Brecker, W. Santimaleeworagun, T. Rosenau, M. Bacher, S. Vajrodaya

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Abstract

Phytochemical examination of Clausena lenis Drake (Rutaceae), collected in Thailand, led to the isolation of seven coumarins, four furoquinolines, two amides, and one flavonoid glycoside. Four of these compounds, one coumarine derivative named as gravelliferone A (3), two furoquinoline derivatives (kokusagenin A (8) and B (9)) and one amide, clausenalansamide H (13), are reported for the first time. Compound 3 was isolated from the root bark, compound 8 from the stem bark and compounds 9 and 13 from the leaves. The molecular structures of all isolated compounds were established by means of NMR experiments combined with mass spectrometry. Preliminary tests of the lipophilic stem bark extract against various human pathogenic bacteria strains revealed promising effects against Staphylococcus aureus ATCC 43300.

Original languageEnglish
JournalNatural Product Research
DOIs
Publication statusPublished - 2020
MoE publication typeA1 Journal article-refereed

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