Abstract
The investigation of chemical constituents from the branches of Calophyllum inophyllum Linn led to the isolation of a new prenylated xanthone, named caloxanthone Q (1), together with three known compounds, 2-deprenylrheediaxanthone B (2), jacareubin (3), and 6-deoxyjacareubin (4). Their structures were completely elucidated on the basis of spectroscopic methods (UV, IR, HR-ESI-MS, 1D NMR, and 2D NMR).
Publication types
-
Research Support, Non-U.S. Gov't
MeSH terms
-
Calophyllum / chemistry*
-
Drugs, Chinese Herbal / chemistry
-
Drugs, Chinese Herbal / isolation & purification*
-
Humans
-
K562 Cells
-
Molecular Structure
-
Nuclear Magnetic Resonance, Biomolecular
-
Plant Stems / chemistry
-
Pyrans / chemistry
-
Pyrans / isolation & purification
-
Xanthenes / chemistry
-
Xanthenes / isolation & purification
-
Xanthones / chemistry
-
Xanthones / isolation & purification*
Substances
-
5,10-dihydroxy-2,2-dimethylpyrano(3,2-b)xanthen-6(2H)-one
-
Drugs, Chinese Herbal
-
Pyrans
-
Xanthenes
-
Xanthones
-
caloxanthone Q