Abstract
The novel skeleton compounds, chamaecypanone C (3) and obtunorlignan A (4) were isolated from the heartwood of Chamaecyparis obtusa var. formosana. The structure of 3 was elucidated as a dimeric of monoterpene and norlignan with tricyclo[5.2.2.02.6]undecane and the structure of 4 was elucidated as a norlignan skeleton by spectroscopic methods. Compound 3 exhibits potent cytotoxic activity against several human cancer cells with IC50 values ranging from 0.19 to 0.52 μM, whereas 4 has no activity.
Original language | English |
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Pages (from-to) | 1567-1569 |
Number of pages | 3 |
Journal | Tetrahedron Letters |
Volume | 48 |
Issue number | 9 |
DOIs | |
Publication status | Published - Feb 2007 |
Externally published | Yes |
Keywords
- Chamaecyparis obtusa var. formosana
- Dimer of monoterpene and norlignan
- Norlignan
ASJC Scopus subject areas
- Biochemistry
- Drug Discovery
- Organic Chemistry