Abstract
Two chromanone acid derivatives, calofolic acid B (1) and apetalic acid (2) were isolated from the stem bark of Calophyllum incrassatum. The structures of both compounds were elucidated by UV, IR, HRESIMS, 1D and 2D NMR spectroscopies and comparison of their data with literatures. Compounds 1-2 were evaluated for their cytotoxic activity against P-388 cells, compound (1) showing value IC50 1.14 μg/mL.
Export citation and abstract BibTeX RIS
Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.